Upper Limb Peripheral Nerve Blocks

1. Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Study of Block Characteristics and Immediate Complications in Patients Undergoing Upper Limb Surgery
2. Comparison of Ultrasound-Guided Supraclavicular and Infraclavicular Brachial Plexus Blocks for Upper Limb Surgery: A Prospective Comparative Observational Study
3. Association of Sonographic Brachial Plexus Anatomy with Success of Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Observational Study
4. Comparison of Ultrasound-Guided Supraclavicular and Axillary Brachial Plexus Blocks for Forearm and Hand Surgery: A Prospective Comparative Study
5. Clinical Profile of Patients Undergoing Upper Limb Surgery Under Ultrasound-Guided Brachial Plexus Block: A Hospital-Based Cross-Sectional Study
6. Comparison of Ultrasound-Guided Interscalene and Supraclavicular Brachial Plexus Blocks for Shoulder and Proximal Upper Limb Surgery: A Prospective Comparative Observational Study
7. Association of Body Mass Index with Performance Time and Success of Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Study
8. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block Using Two Different Volumes of Local Anaesthetic for Upper Limb Surgery: A Prospective Comparative Study
9. Sonographic Assessment of Brachial Plexus Depth and Its Association with Technical Difficulty of Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Observational Study
10. Comparison of Ultrasound-Guided Infraclavicular and Axillary Brachial Plexus Blocks for Surgery Below the Elbow: A Prospective Comparative Study
11. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Supraclavicular Brachial Plexus Block for Upper Limb Surgery: A Cross-Sectional Observational Study
12. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block with and without Peripheral Nerve Stimulator Guidance for Upper Limb Surgery: A Prospective Comparative Study
13. Pattern of Sensory and Motor Blockade Following Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Prospective Observational Study
14. Comparison of Ultrasound-Guided Infraclavicular and Supraclavicular Brachial Plexus Blocks for Tourniquet Tolerance During Upper Limb Surgery: A Prospective Comparative Study
15. Association of Brachial Plexus Depth with Needle Visibility During Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Observational Study
16. Comparison of Ultrasound-Guided Axillary Brachial Plexus Block and Selective Terminal Nerve Blocks for Hand Surgery: A Prospective Comparative Study
17. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Brachial Plexus Blocks: A Cross-Sectional Observational Study
18. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block Using In-Plane and Out-of-Plane Needle Approaches: A Prospective Comparative Study
19. Association of Ultrasound Image Quality with First-Attempt Success of Supraclavicular Brachial Plexus Block: A Cross-Sectional Study
20. Comparison of Ultrasound-Guided Interscalene Brachial Plexus Block Using Low and Conventional Volumes of Local Anaesthetic for Shoulder Surgery: A Prospective Comparative Study
21. Sonographic Assessment of the Relationship of the Brachial Plexus to the Subclavian Artery in Patients Undergoing Supraclavicular Brachial Plexus Block: A Cross-Sectional Study
22. Comparison of Ultrasound-Guided Median, Ulnar and Radial Nerve Blocks at the Forearm with Axillary Brachial Plexus Block for Hand Surgery: A Prospective Comparative Study
23. Association of Patient Age with Onset and Quality of Sensory Block Following Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Observational Study
24. Comparison of Ultrasound-Guided Supraclavicular and Infraclavicular Brachial Plexus Blocks with Respect to Patient Comfort and Procedural Characteristics: A Prospective Comparative Study
25. Distribution of Failed Nerve Territories Following Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Prospective Observational Study
26. Comparison of Ultrasound-Guided Axillary Brachial Plexus Block Using Perivascular and Individual Nerve Injection Techniques: A Prospective Comparative Study
27. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Brachial Plexus Block: A Cross-Sectional Study
28. Comparison of Ultrasound-Guided Infraclavicular Brachial Plexus Block Using Single-Injection and Multiple-Injection Techniques: A Prospective Comparative Study
29. Incidence and Factors Associated with Horner Syndrome Following Ultrasound-Guided Interscalene and Supraclavicular Brachial Plexus Blocks: A Cross-Sectional Observational Study
30. Comparison of Ultrasound-Guided Selective Median and Ulnar Nerve Blocks with Axillary Brachial Plexus Block for Minor Hand Procedures: A Prospective Comparative Study
31. Association of Preprocedural Anxiety with Pain During Ultrasound-Guided Brachial Plexus Block Placement: A Cross-Sectional Observational Study
32. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block in Supine and Semisitting Positions for Upper Limb Surgery: A Prospective Comparative Study
33. Incidence and Pattern of Paraesthesia During Ultrasound-Guided Brachial Plexus Block Placement: A Prospective Observational Study
34. Comparison of Ultrasound-Guided Infraclavicular and Axillary Brachial Plexus Blocks with Respect to Performance Time and Block Success for Distal Upper Limb Surgery: A Prospective Comparative Study
35. Association of Skin-to-Plexus Distance with Needle Insertion Depth During Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Cross-Sectional Study
36. Comparison of Ultrasound-Guided Radial Nerve Block at the Elbow and Forearm for Procedures Involving the Dorsum of the Hand: A Prospective Comparative Study
37. Immediate Haemodynamic Changes During Ultrasound-Guided Brachial Plexus Block for Upper Limb Surgery: A Prospective Observational Study
38. Comparison of Ultrasound-Guided Interscalene and Superior Trunk Blocks for Shoulder Surgery with Respect to Block Characteristics and Diaphragmatic Movement: A Prospective Comparative Study
39. Association of Local Anaesthetic Spread Pattern on Ultrasound with Success of Supraclavicular Brachial Plexus Block: A Cross-Sectional Observational Study
40. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block Using Corner-Pocket and Cluster Injection Techniques: A Prospective Comparative Study
41. Sonographic Assessment of Diaphragmatic Excursion Before and After Ultrasound-Guided Interscalene Brachial Plexus Block: A Prospective Observational Study
42. Comparison of Ultrasound-Guided Selective Median, Ulnar and Radial Nerve Blocks with Supraclavicular Brachial Plexus Block for Short-Duration Hand Surgery: A Prospective Comparative Study
43. Association of Operator Experience with Performance Time and Number of Needle Passes During Ultrasound-Guided Brachial Plexus Block: A Cross-Sectional Observational Study
44. Comparison of Ultrasound-Guided Axillary Brachial Plexus Block Using Single and Multiple Injection Techniques for Forearm and Hand Surgery: A Prospective Comparative Study
45. Incidence and Predictors of Requirement for Supplemental Peripheral Nerve Block Following Ultrasound-Guided Brachial Plexus Block: A Cross-Sectional Observational Study
46. Comparison of Ultrasound-Guided Supraclavicular and Infraclavicular Brachial Plexus Blocks with Respect to Sensory Block of the Medial Cutaneous Nerves of the Arm and Forearm: A Prospective Comparative Study
47. Association of Ultrasound-Measured Cross-Sectional Area of the Brachial Plexus with Block Characteristics During Supraclavicular Brachial Plexus Block: A Cross-Sectional Study
48. Comparison of Ultrasound-Guided Ulnar Nerve Block at the Forearm and Wrist for Procedures Involving the Ulnar Aspect of the Hand: A Prospective Comparative Study
49. Pattern and Frequency of Immediate Adverse Events Following Ultrasound-Guided Upper Limb Peripheral Nerve Blocks: A Hospital-Based Cross-Sectional Observational Study
50. Comparison of Ultrasound-Guided Supraclavicular, Infraclavicular and Axillary Brachial Plexus Blocks with Respect to Procedural Time, Block Characteristics and Immediate Complications in Upper Limb Surgery: A Prospective Comparative Observational Study

Lower Limb Peripheral Nerve Blocks

51. Ultrasound-Guided Femoral Nerve Block for Lower Limb Surgery: A Cross-Sectional Study of Block Characteristics and Immediate Complications
52. Comparison of Ultrasound-Guided Femoral Nerve Block and Fascia Iliaca Compartment Block for Lower Limb Procedures: A Prospective Comparative Observational Study
53. Association of Ultrasound-Measured Femoral Nerve Depth with Performance Time and Block Success: A Cross-Sectional Observational Study
54. Comparison of Ultrasound-Guided Adductor Canal Block and Femoral Nerve Block for Knee Surgery: A Prospective Comparative Study
55. Clinical Profile and Block Characteristics of Patients Receiving Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Hospital-Based Cross-Sectional Study
56. Comparison of Ultrasound-Guided Suprainguinal and Infrainguinal Fascia Iliaca Compartment Blocks with Respect to Sensory Block Distribution: A Prospective Comparative Study
57. Association of Body Mass Index with Technical Difficulty of Ultrasound-Guided Femoral Nerve Block: A Cross-Sectional Observational Study
58. Comparison of Ultrasound-Guided Adductor Canal Block Using Two Different Volumes of Local Anaesthetic for Knee Surgery: A Prospective Comparative Study
59. Sonographic Assessment of Femoral Nerve Anatomy and Its Relationship with the Femoral Artery in Patients Undergoing Femoral Nerve Block: A Cross-Sectional Study
60. Comparison of Ultrasound-Guided Proximal and Distal Adductor Canal Blocks with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
61. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Femoral Nerve Block: A Cross-Sectional Observational Study
62. Comparison of Ultrasound-Guided Femoral Nerve Block with and without Peripheral Nerve Stimulator Guidance: A Prospective Comparative Study
63. Pattern of Sensory and Motor Blockade Following Ultrasound-Guided Femoral Nerve Block: A Prospective Observational Study
64. Comparison of Ultrasound-Guided Femoral Nerve Block and Adductor Canal Block with Respect to Quadriceps Motor Blockade: A Prospective Comparative Study
65. Association of Skin-to-Femoral-Nerve Distance with Needle Insertion Depth During Ultrasound-Guided Femoral Nerve Block: A Cross-Sectional Observational Study
66. Comparison of Ultrasound-Guided Fascia Iliaca Compartment Block and Femoral Nerve Block with Respect to Sensory Block of the Femoral and Lateral Femoral Cutaneous Nerves: A Prospective Comparative Study
67. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Cross-Sectional Observational Study
68. Comparison of Ultrasound-Guided Femoral Nerve Block Using In-Plane and Out-of-Plane Needle Approaches: A Prospective Comparative Study
69. Association of Ultrasound Image Quality with First-Attempt Success of Femoral Nerve Block: A Cross-Sectional Study
70. Comparison of Ultrasound-Guided Adductor Canal Block and Fascia Iliaca Compartment Block for Procedures Around the Knee: A Prospective Comparative Observational Study
71. Sonographic Assessment of the Femoral Nerve and Fascia Iliaca Anatomy in Patients Undergoing Lower Limb Peripheral Nerve Blocks: A Cross-Sectional Study
72. Comparison of Ultrasound-Guided Subgluteal and Popliteal Approaches to Sciatic Nerve Block for Lower Limb Surgery: A Prospective Comparative Study
73. Association of Patient Age with Onset and Quality of Sensory Block Following Ultrasound-Guided Femoral Nerve Block: A Cross-Sectional Observational Study
74. Comparison of Ultrasound-Guided Sciatic Nerve Block Using Single-Injection and Multiple-Injection Techniques: A Prospective Comparative Study
75. Distribution of Failed Nerve Territories Following Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Prospective Observational Study
76. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block Using Prebifurcation and Postbifurcation Injection Techniques: A Prospective Comparative Study
77. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Lower Limb Peripheral Nerve Block: A Cross-Sectional Study
78. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block Using Two Different Volumes of Local Anaesthetic for Foot and Ankle Surgery: A Prospective Comparative Study
79. Sonographic Assessment of Sciatic Nerve Bifurcation and Its Anatomical Variations in Patients Undergoing Popliteal Sciatic Nerve Block: A Cross-Sectional Observational Study
80. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block and Ankle Block for Foot Surgery: A Prospective Comparative Study
81. Association of Preprocedural Anxiety with Pain During Ultrasound-Guided Lower Limb Peripheral Nerve Block Placement: A Cross-Sectional Observational Study
82. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block in Supine and Lateral Positions with Respect to Procedural Characteristics: A Prospective Comparative Study
83. Incidence and Pattern of Paraesthesia During Ultrasound-Guided Lower Limb Peripheral Nerve Block Placement: A Prospective Observational Study
84. Comparison of Ultrasound-Guided Proximal and Distal Popliteal Sciatic Nerve Blocks for Foot and Ankle Surgery: A Prospective Comparative Study
85. Association of Ultrasound-Measured Sciatic Nerve Depth with Performance Time and Number of Needle Passes During Popliteal Sciatic Nerve Block: A Cross-Sectional Study
86. Comparison of Ultrasound-Guided Tibial and Common Peroneal Nerve Blocks with Popliteal Sciatic Nerve Block for Foot and Ankle Procedures: A Prospective Comparative Study
87. Immediate Haemodynamic Changes During Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Prospective Observational Study
88. Comparison of Ultrasound-Guided Obturator Nerve Block Using Proximal and Distal Approaches with Respect to Block Characteristics: A Prospective Comparative Study
89. Association of Local Anaesthetic Spread Pattern on Ultrasound with Success of Popliteal Sciatic Nerve Block: A Cross-Sectional Observational Study
90. Comparison of Ultrasound-Guided Femoral and Obturator Nerve Blocks with Fascia Iliaca Compartment Block for Procedures Involving the Anterior and Medial Thigh: A Prospective Comparative Study
91. Sonographic Assessment of Obturator Nerve Anatomy and Its Relationship with the Adductor Muscles in Patients Undergoing Obturator Nerve Block: A Cross-Sectional Observational Study
92. Comparison of Ultrasound-Guided Ankle Block Using Perineural and Perivascular Injection Techniques for Foot Surgery: A Prospective Comparative Study
93. Association of Operator Experience with Performance Time and Number of Needle Passes During Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Cross-Sectional Observational Study
94. Comparison of Ultrasound-Guided Ankle Block and Selective Tibial and Common Peroneal Nerve Blocks for Minor Foot Procedures: A Prospective Comparative Study
95. Incidence and Predictors of Requirement for Supplemental Nerve Block Following Ultrasound-Guided Lower Limb Peripheral Nerve Block: A Cross-Sectional Observational Study
96. Comparison of Ultrasound-Guided Adductor Canal Block Alone and Combined Adductor Canal and Obturator Nerve Blocks with Respect to Sensory Distribution Around the Knee: A Prospective Comparative Study
97. Association of Ultrasound-Measured Cross-Sectional Area of the Sciatic Nerve with Block Characteristics During Popliteal Sciatic Nerve Block: A Cross-Sectional Study
98. Comparison of Ultrasound-Guided Ankle Block Using Single-Level and Multiple-Level Injection Techniques for Foot Surgery: A Prospective Comparative Study
99. Pattern and Frequency of Immediate Adverse Events Following Ultrasound-Guided Lower Limb Peripheral Nerve Blocks: A Hospital-Based Cross-Sectional Observational Study
100. Comparison of Ultrasound-Guided Femoral, Adductor Canal and Fascia Iliaca Compartment Blocks with Respect to Procedural Time, Sensory Block Characteristics and Immediate Complications: A Prospective Comparative Observational Study

Truncal and Abdominal Wall Blocks

101. Ultrasound-Guided Transversus Abdominis Plane Block for Abdominal Surgery: A Cross-Sectional Study of Block Characteristics and Immediate Complications
102. Comparison of Ultrasound-Guided Lateral and Posterior Transversus Abdominis Plane Blocks for Lower Abdominal Surgery: A Prospective Comparative Observational Study
103. Association of Ultrasound-Measured Abdominal Wall Thickness with Technical Difficulty of Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
104. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Rectus Sheath Block for Midline Abdominal Procedures: A Prospective Comparative Study
105. Clinical Profile and Procedural Characteristics of Patients Receiving Ultrasound-Guided Abdominal Wall Blocks: A Hospital-Based Cross-Sectional Study
106. Comparison of Ultrasound-Guided Subcostal and Lateral Transversus Abdominis Plane Blocks with Respect to Sensory Block Distribution: A Prospective Comparative Study
107. Association of Body Mass Index with Ultrasound Image Quality and Performance Time of Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
108. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block Using Two Different Volumes of Local Anaesthetic for Lower Abdominal Surgery: A Prospective Comparative Study
109. Sonographic Assessment of Abdominal Wall Muscle and Fascial Layer Anatomy at the Site of Transversus Abdominis Plane Block: A Cross-Sectional Study
110. Comparison of Ultrasound-Guided Posterior Transversus Abdominis Plane Block and Quadratus Lumborum Block for Lower Abdominal Surgery: A Prospective Comparative Study
111. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
112. Comparison of Ultrasound-Guided Unilateral and Bilateral Transversus Abdominis Plane Blocks for Unilateral Lower Abdominal Procedures: A Prospective Comparative Study
113. Pattern of Dermatomal Sensory Blockade Following Ultrasound-Guided Transversus Abdominis Plane Block: A Prospective Observational Study
114. Comparison of Ultrasound-Guided Rectus Sheath Block and Subcostal Transversus Abdominis Plane Block for Upper Midline Abdominal Procedures: A Prospective Comparative Study
115. Association of Skin-to-Transversus Abdominis Plane Distance with Needle Insertion Depth During Ultrasound-Guided Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
116. Comparison of Ultrasound-Guided Bilateral Rectus Sheath Block and Bilateral Transversus Abdominis Plane Block with Respect to Sensory Distribution Following Midline Abdominal Surgery: A Prospective Comparative Study
117. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Abdominal Wall Blocks: A Cross-Sectional Observational Study
118. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block Using In-Plane and Out-of-Plane Needle Approaches: A Prospective Comparative Study
119. Association of Ultrasound Image Quality with First-Attempt Success of Transversus Abdominis Plane Block: A Cross-Sectional Study
120. Comparison of Ultrasound-Guided Lateral Transversus Abdominis Plane Block and Ilioinguinal–Iliohypogastric Nerve Block for Inguinal Surgery: A Prospective Comparative Study
121. Sonographic Assessment of the Relationship Between the Internal Oblique and Transversus Abdominis Muscles in Patients Undergoing Transversus Abdominis Plane Block: A Cross-Sectional Study
122. Comparison of Ultrasound-Guided Anterior and Posterior Quadratus Lumborum Blocks with Respect to Sensory Block Distribution: A Prospective Comparative Study
123. Association of Patient Age with Extent of Sensory Block Following Ultrasound-Guided Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
124. Comparison of Ultrasound-Guided Lateral and Posterior Quadratus Lumborum Blocks for Abdominal Surgery: A Prospective Comparative Study
125. Distribution of Incomplete Dermatomal Coverage Following Ultrasound-Guided Abdominal Wall Blocks: A Prospective Observational Study
126. Comparison of Ultrasound-Guided Quadratus Lumborum Block and Transversus Abdominis Plane Block with Respect to Procedural Time and Technical Difficulty: A Prospective Comparative Study
127. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Abdominal Wall Block: A Cross-Sectional Study
128. Comparison of Ultrasound-Guided Transmuscular and Posterior Quadratus Lumborum Blocks with Respect to Sensory Block Characteristics: A Prospective Comparative Study
129. Sonographic Assessment of Quadratus Lumborum Muscle Depth and Its Association with Technical Difficulty of Quadratus Lumborum Block: A Cross-Sectional Observational Study
130. Comparison of Ultrasound-Guided Quadratus Lumborum Block and Ilioinguinal–Iliohypogastric Nerve Block for Lower Abdominal and Inguinal Procedures: A Prospective Comparative Study
131. Association of Preprocedural Anxiety with Pain During Ultrasound-Guided Abdominal Wall Block Placement: A Cross-Sectional Observational Study
132. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block Performed Before and After Induction of General Anaesthesia with Respect to Procedural Characteristics: A Prospective Comparative Study
133. Incidence and Pattern of Paraesthesia During Ultrasound-Guided Abdominal Wall Block Placement: A Prospective Observational Study
134. Comparison of Ultrasound-Guided Unilateral and Bilateral Quadratus Lumborum Blocks with Respect to Sensory Block Distribution in Unilateral Abdominal Surgery: A Prospective Comparative Study
135. Association of Ultrasound-Measured Abdominal Wall Muscle Thickness with Local Anaesthetic Spread During Transversus Abdominis Plane Block: A Cross-Sectional Study
136. Comparison of Ultrasound-Guided Ilioinguinal–Iliohypogastric Nerve Block and Transversus Abdominis Plane Block with Respect to Block Performance Characteristics in Inguinal Surgery: A Prospective Comparative Study
137. Immediate Haemodynamic Changes During Ultrasound-Guided Abdominal Wall Blocks: A Prospective Observational Study
138. Comparison of Ultrasound-Guided Rectus Sheath Block Using Single-Level and Multiple-Level Injection Techniques for Midline Abdominal Procedures: A Prospective Comparative Study
139. Association of Local Anaesthetic Spread Pattern on Ultrasound with Sensory Block Success Following Transversus Abdominis Plane Block: A Cross-Sectional Observational Study
140. Comparison of Ultrasound-Guided Bilateral Transversus Abdominis Plane Block and Bilateral Rectus Sheath Block with Respect to Procedural Time, Needle Passes and Sensory Coverage: A Prospective Comparative Study
141. Sonographic Assessment of Ilioinguinal and Iliohypogastric Nerve Anatomy and Anatomical Variations in Patients Undergoing Ultrasound-Guided Nerve Block: A Cross-Sectional Observational Study
142. Comparison of Ultrasound-Guided Ilioinguinal–Iliohypogastric Nerve Block Using Perineural and Fascial Plane Injection Techniques for Inguinal Surgery: A Prospective Comparative Study
143. Association of Operator Experience with Performance Time and Number of Needle Passes During Ultrasound-Guided Abdominal Wall Blocks: A Cross-Sectional Observational Study
144. Comparison of Ultrasound-Guided Transversus Abdominis Plane and Rectus Sheath Blocks with Respect to Ultrasound Visibility, Needle Visibility and Technical Difficulty: A Prospective Comparative Study
145. Incidence and Predictors of Requirement for Supplemental Analgesia Following Ultrasound-Guided Abdominal Wall Block: A Cross-Sectional Observational Study
146. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Combined Ilioinguinal–Iliohypogastric Nerve Block for Unilateral Inguinal Procedures: A Prospective Comparative Study
147. Association of Ultrasound-Measured Fascial Plane Depth with Block Performance Characteristics During Ultrasound-Guided Abdominal Wall Blocks: A Cross-Sectional Study
148. Comparison of Ultrasound-Guided Rectus Sheath Block Using Two Different Volumes of Local Anaesthetic with Respect to Sensory Spread: A Prospective Comparative Study
149. Pattern and Frequency of Immediate Adverse Events Following Ultrasound-Guided Truncal and Abdominal Wall Blocks: A Hospital-Based Cross-Sectional Observational Study
150. Comparison of Ultrasound-Guided Transversus Abdominis Plane, Rectus Sheath and Quadratus Lumborum Blocks with Respect to Procedural Time, Sensory Block Characteristics and Immediate Complications: A Prospective Comparative Observational Study

Thoracic and Chest Wall Blocks

151. Ultrasound-Guided Thoracic Paravertebral Block for Thoracic and Chest Wall Procedures: A Cross-Sectional Study of Block Characteristics and Immediate Complications
152. Comparison of Ultrasound-Guided Thoracic Paravertebral Block and Erector Spinae Plane Block for Breast Surgery: A Prospective Comparative Observational Study
153. Association of Ultrasound-Measured Paravertebral Space Depth with Technical Difficulty of Thoracic Paravertebral Block: A Cross-Sectional Observational Study
154. Comparison of Ultrasound-Guided Erector Spinae Plane Block and Serratus Anterior Plane Block for Thoracic Surgery: A Prospective Comparative Study
155. Clinical Profile and Procedural Characteristics of Patients Receiving Ultrasound-Guided Thoracic and Chest Wall Blocks: A Hospital-Based Cross-Sectional Study
156. Comparison of Ultrasound-Guided Pectoral Nerve Block and Serratus Anterior Plane Block for Breast Surgery: A Prospective Comparative Study
157. Association of Body Mass Index with Ultrasound Image Quality and Performance Time of Thoracic Paravertebral Block: A Cross-Sectional Observational Study
158. Comparison of Ultrasound-Guided Erector Spinae Plane Block Using Two Different Volumes of Local Anaesthetic for Thoracic Procedures: A Prospective Comparative Study
159. Sonographic Assessment of Thoracic Paravertebral Anatomy and Its Variations in Patients Undergoing Thoracic Paravertebral Block: A Cross-Sectional Study
160. Comparison of Ultrasound-Guided Superficial and Deep Serratus Anterior Plane Blocks with Respect to Sensory Block Distribution: A Prospective Comparative Study
161. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Erector Spinae Plane Block: A Cross-Sectional Observational Study
162. Comparison of Ultrasound-Guided Thoracic Paravertebral Block Using In-Plane and Out-of-Plane Needle Approaches: A Prospective Comparative Study
163. Pattern of Dermatomal Sensory Blockade Following Ultrasound-Guided Erector Spinae Plane Block: A Prospective Observational Study
164. Comparison of Ultrasound-Guided Thoracic Paravertebral Block and Intercostal Nerve Block for Unilateral Chest Wall Procedures: A Prospective Comparative Study
165. Association of Skin-to-Paravertebral-Space Distance with Needle Insertion Depth During Ultrasound-Guided Thoracic Paravertebral Block: A Cross-Sectional Observational Study
166. Comparison of Ultrasound-Guided Erector Spinae Plane Block and Intercostal Nerve Block with Respect to Sensory Distribution in Thoracic Surgery: A Prospective Comparative Study
167. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Thoracic and Chest Wall Blocks: A Cross-Sectional Observational Study
168. Comparison of Ultrasound-Guided Erector Spinae Plane Block at Two Different Thoracic Vertebral Levels with Respect to Dermatomal Sensory Spread: A Prospective Comparative Study
169. Association of Ultrasound Image Quality with First-Attempt Success of Thoracic Paravertebral Block: A Cross-Sectional Study
170. Comparison of Ultrasound-Guided Pectoral Nerve Block and Thoracic Paravertebral Block for Breast Surgery: A Prospective Comparative Observational Study
171. Sonographic Assessment of the Erector Spinae Muscle and Transverse Process Anatomy at Commonly Used Thoracic Block Levels: A Cross-Sectional Study
172. Comparison of Ultrasound-Guided Erector Spinae Plane Block and Pectoral Nerve Block for Breast Surgery with Respect to Sensory Block Characteristics: A Prospective Comparative Study
173. Association of Patient Age with Extent of Dermatomal Sensory Block Following Ultrasound-Guided Erector Spinae Plane Block: A Cross-Sectional Observational Study
174. Comparison of Ultrasound-Guided Serratus Anterior Plane Block and Intercostal Nerve Block for Lateral Chest Wall Procedures: A Prospective Comparative Study
175. Distribution of Incomplete Dermatomal Coverage Following Ultrasound-Guided Thoracic and Chest Wall Blocks: A Prospective Observational Study
176. Comparison of Ultrasound-Guided Thoracic Paravertebral and Erector Spinae Plane Blocks with Respect to Procedural Time and Technical Difficulty: A Prospective Comparative Study
177. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Thoracic and Chest Wall Block: A Cross-Sectional Study
178. Comparison of Ultrasound-Guided Pectoral Nerve Block Using Single-Level and Multiple-Level Injection Techniques for Breast Surgery: A Prospective Comparative Study
179. Sonographic Assessment of Serratus Anterior Plane Depth and Its Association with Technical Difficulty of Serratus Anterior Plane Block: A Cross-Sectional Observational Study
180. Comparison of Ultrasound-Guided Superficial and Deep Pectoral Nerve Blocks with Respect to Sensory Block Distribution in Breast Surgery: A Prospective Comparative Study
181. Association of Preprocedural Anxiety with Pain During Ultrasound-Guided Thoracic and Chest Wall Block Placement: A Cross-Sectional Observational Study
182. Comparison of Ultrasound-Guided Erector Spinae Plane Block Performed Before and After Induction of General Anaesthesia with Respect to Procedural Characteristics: A Prospective Comparative Study
183. Incidence and Pattern of Paraesthesia During Ultrasound-Guided Thoracic and Chest Wall Block Placement: A Prospective Observational Study
184. Comparison of Ultrasound-Guided Thoracic Paravertebral Block at Single and Multiple Vertebral Levels with Respect to Sensory Block Distribution: A Prospective Comparative Study
185. Association of Ultrasound-Measured Erector Spinae Muscle Thickness with Local Anaesthetic Spread During Erector Spinae Plane Block: A Cross-Sectional Study
186. Comparison of Ultrasound-Guided Serratus Anterior Plane Block at Different Thoracic Levels with Respect to Dermatomal Sensory Coverage: A Prospective Comparative Study
187. Immediate Haemodynamic Changes During Ultrasound-Guided Thoracic and Chest Wall Blocks: A Prospective Observational Study
188. Comparison of Ultrasound-Guided Intercostal Nerve Block Using Single-Level and Multiple-Level Injection Techniques for Chest Wall Procedures: A Prospective Comparative Study
189. Association of Local Anaesthetic Spread Pattern on Ultrasound with Sensory Block Success Following Erector Spinae Plane Block: A Cross-Sectional Observational Study
190. Comparison of Ultrasound-Guided Erector Spinae Plane Block and Serratus Anterior Plane Block with Respect to Procedural Time, Needle Passes and Sensory Coverage: A Prospective Comparative Study
191. Sonographic Assessment of Intercostal Nerve and Intercostal Space Anatomy at Commonly Used Thoracic Levels: A Cross-Sectional Observational Study
192. Comparison of Ultrasound-Guided Intercostal Nerve Block Using Two Different Volumes of Local Anaesthetic with Respect to Sensory Spread: A Prospective Comparative Study
193. Association of Operator Experience with Performance Time and Number of Needle Passes During Ultrasound-Guided Thoracic and Chest Wall Blocks: A Cross-Sectional Observational Study
194. Comparison of Ultrasound-Guided Thoracic Paravertebral and Serratus Anterior Plane Blocks with Respect to Ultrasound Visibility, Needle Visibility and Technical Difficulty: A Prospective Comparative Study
195. Incidence and Predictors of Requirement for Supplemental Analgesia Following Ultrasound-Guided Thoracic and Chest Wall Blocks: A Cross-Sectional Observational Study
196. Comparison of Ultrasound-Guided Pectoral Nerve Block Alone and Combined Pectoral Nerve and Serratus Anterior Plane Blocks for Breast Surgery: A Prospective Comparative Study
197. Association of Ultrasound-Measured Fascial Plane Depth with Block Performance Characteristics During Ultrasound-Guided Thoracic Fascial Plane Blocks: A Cross-Sectional Study
198. Comparison of Ultrasound-Guided Erector Spinae Plane Block Using Single-Injection and Multiple-Injection Techniques with Respect to Dermatomal Sensory Spread: A Prospective Comparative Study
199. Pattern and Frequency of Immediate Adverse Events Following Ultrasound-Guided Thoracic and Chest Wall Blocks: A Hospital-Based Cross-Sectional Observational Study
200. Comparison of Ultrasound-Guided Thoracic Paravertebral, Erector Spinae Plane and Serratus Anterior Plane Blocks with Respect to Procedural Time, Sensory Block Characteristics and Immediate Complications: A Prospective Comparative Observational Study

Neuraxial Anaesthesia and Analgesia

201. Spinal Anaesthesia for Elective Lower Abdominal and Lower Limb Surgery: A Cross-Sectional Study of Block Characteristics and Immediate Complications
202. Comparison of Spinal and Epidural Anaesthesia for Elective Lower Limb Surgery: A Prospective Comparative Observational Study
203. Association of Body Mass Index with Technical Difficulty and Number of Needle Attempts During Spinal Anaesthesia: A Cross-Sectional Observational Study
204. Comparison of Conventional Landmark-Guided and Preprocedural Ultrasound-Assisted Spinal Anaesthesia with Respect to First-Attempt Success and Procedural Characteristics: A Prospective Comparative Study
205. Clinical Profile and Procedural Characteristics of Patients Undergoing Neuraxial Anaesthesia for Elective Surgery: A Hospital-Based Cross-Sectional Study
206. Comparison of Sitting and Lateral Decubitus Positions for Spinal Anaesthesia with Respect to Technical Difficulty and Block Characteristics: A Prospective Comparative Study
207. Association of Palpability of Surface Anatomical Landmarks with Technical Difficulty of Spinal Anaesthesia: A Cross-Sectional Observational Study
208. Comparison of Midline and Paramedian Approaches for Spinal Anaesthesia with Respect to Number of Needle Passes and First-Attempt Success: A Prospective Comparative Study
209. Association of Ultrasound-Measured Skin-to-Intrathecal-Space Depth with Actual Needle Insertion Depth During Spinal Anaesthesia: A Cross-Sectional Study
210. Comparison of Two Different Doses of Intrathecal Hyperbaric Local Anaesthetic with Respect to Sensory and Motor Block Characteristics in Lower Limb Surgery: A Prospective Comparative Study
211. Incidence and Predictors of Failed or Inadequate Spinal Anaesthesia in Elective Surgical Patients: A Cross-Sectional Observational Study
212. Comparison of Different Intervertebral Levels for Spinal Anaesthesia with Respect to Technical and Immediate Block Characteristics: A Prospective Comparative Study
213. Pattern of Sensory and Motor Blockade Following Spinal Anaesthesia for Lower Limb Surgery: A Prospective Observational Study
214. Comparison of Pencil-Point and Cutting-Bevel Spinal Needles with Respect to Procedural Characteristics and Immediate Complications: A Prospective Comparative Study
215. Association of Patient Age with Onset and Maximum Sensory Level Following Spinal Anaesthesia: A Cross-Sectional Observational Study
216. Comparison of Spinal Anaesthesia in Sitting and Lateral Positions with Respect to Onset and Distribution of Sensory Block: A Prospective Comparative Study
217. Incidence and Predictors of Hypotension Following Spinal Anaesthesia for Elective Surgery: A Cross-Sectional Observational Study
218. Comparison of Preprocedural Ultrasound-Assisted and Landmark-Guided Spinal Anaesthesia in Patients with Poorly Palpable Spinal Landmarks: A Prospective Comparative Study
219. Association of Skin-to-Intrathecal-Space Depth with Body Mass Index and Waist Circumference in Patients Undergoing Spinal Anaesthesia: A Cross-Sectional Study
220. Comparison of Single-Shot Spinal and Combined Spinal–Epidural Anaesthesia with Respect to Procedural Time and Immediate Block Characteristics: A Prospective Comparative Study
221. Sonographic Assessment of Lumbar Intervertebral Spaces and Their Relationship with Palpated Surface Landmarks Before Neuraxial Anaesthesia: A Cross-Sectional Observational Study
222. Comparison of Midline and Paramedian Epidural Approaches with Respect to Technical Difficulty and Number of Needle Passes: A Prospective Comparative Study
223. Association of Preprocedural Anxiety with Patient-Reported Pain During Spinal Anaesthesia: A Cross-Sectional Observational Study
224. Comparison of Conventional Landmark-Guided and Ultrasound-Assisted Epidural Anaesthesia with Respect to First-Attempt Success and Procedural Time: A Prospective Comparative Study
225. Pattern and Frequency of Immediate Adverse Events Following Spinal Anaesthesia: A Prospective Observational Study
226. Comparison of Loss-of-Resistance to Air and Loss-of-Resistance to Saline Techniques for Identification of the Epidural Space: A Prospective Comparative Study
227. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Epidural Catheter Placement: A Cross-Sectional Study
228. Comparison of Sitting and Lateral Decubitus Positions for Epidural Catheter Placement with Respect to Technical Difficulty: A Prospective Comparative Study
229. Association of Ultrasound-Measured Epidural Space Depth with Actual Needle Insertion Depth During Epidural Catheter Placement: A Cross-Sectional Observational Study
230. Comparison of Conventional Landmark-Guided and Ultrasound-Assisted Epidural Catheter Placement in Patients with Obesity: A Prospective Comparative Study
231. Incidence and Predictors of Difficult Epidural Catheter Placement in Adult Surgical Patients: A Cross-Sectional Observational Study
232. Comparison of Single-Space and Separate-Space Techniques for Combined Spinal–Epidural Anaesthesia with Respect to Procedural Characteristics: A Prospective Comparative Study
233. Pattern of Haemodynamic Changes Following Combined Spinal–Epidural Anaesthesia: A Prospective Observational Study
234. Comparison of Spinal and Combined Spinal–Epidural Anaesthesia with Respect to Sensory Block Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
235. Association of Vertebral Column Anatomical Characteristics with Technical Difficulty of Neuraxial Anaesthesia: A Cross-Sectional Observational Study
236. Comparison of Different Patient Positions for Combined Spinal–Epidural Anaesthesia with Respect to First-Attempt Success and Procedural Characteristics: A Prospective Comparative Study
237. Incidence and Predictors of Accidental Vascular Cannulation During Epidural Catheter Placement: A Cross-Sectional Observational Study
238. Comparison of Conventional Landmark-Guided and Ultrasound-Assisted Caudal Anaesthesia with Respect to First-Attempt Success and Procedural Characteristics: A Prospective Comparative Study
239. Sonographic Assessment of Sacral Hiatus Anatomy and Its Association with Technical Difficulty of Caudal Anaesthesia: A Cross-Sectional Study
240. Comparison of Different Needle Insertion Techniques for Caudal Anaesthesia with Respect to First-Attempt Success and Immediate Complications: A Prospective Comparative Study
241. Association of Sacral Hiatus Dimensions with Success of Ultrasound-Guided Caudal Anaesthesia: A Cross-Sectional Observational Study
242. Comparison of Landmark-Guided and Ultrasound-Guided Caudal Anaesthesia with Respect to Needle Attempts and Procedural Time: A Prospective Comparative Study
243. Association of Operator Experience with Procedural Time and Number of Needle Passes During Neuraxial Anaesthesia: A Cross-Sectional Observational Study
244. Comparison of Epidural Catheter Insertion at Two Different Lumbar Intervertebral Levels with Respect to Technical Characteristics and Immediate Complications: A Prospective Comparative Study
245. Incidence and Predictors of Requirement for Supplemental Anaesthesia Following Spinal Anaesthesia for Elective Surgery: A Cross-Sectional Observational Study
246. Comparison of Continuous Epidural and Combined Spinal–Epidural Techniques with Respect to Procedural Characteristics and Quality of Intraoperative Anaesthesia: A Prospective Comparative Study
247. Association of Preprocedural Ultrasound Visibility of Neuraxial Structures with First-Attempt Success of Spinal Anaesthesia: A Cross-Sectional Study
248. Comparison of Conventional Palpation and Ultrasound Identification of Lumbar Intervertebral Level Before Spinal Anaesthesia: A Prospective Comparative Study
249. Pattern and Frequency of Immediate Complications Following Spinal, Epidural and Combined Spinal–Epidural Anaesthesia: A Hospital-Based Cross-Sectional Observational Study
250. Comparison of Spinal, Epidural and Combined Spinal–Epidural Anaesthesia with Respect to Technical Difficulty, Block Characteristics and Immediate Haemodynamic Changes in Elective Lower Limb Surgery: A Prospective Comparative Observational Study

Regional Blocks in Obstetric and Gynecological Anaesthesia

251. Spinal Anaesthesia for Elective Caesarean Delivery: A Cross-Sectional Study of Block Characteristics and Immediate Maternal Haemodynamic Changes
252. Comparison of Spinal and Combined Spinal–Epidural Anaesthesia for Elective Caesarean Delivery: A Prospective Comparative Observational Study
253. Association of Body Mass Index with Technical Difficulty and Number of Needle Attempts During Spinal Anaesthesia for Caesarean Delivery: A Cross-Sectional Observational Study
254. Comparison of Conventional Landmark-Guided and Preprocedural Ultrasound-Assisted Spinal Anaesthesia for Caesarean Delivery with Respect to First-Attempt Success and Procedural Characteristics: A Prospective Comparative Study
255. Clinical Profile and Procedural Characteristics of Parturients Receiving Neuraxial Anaesthesia for Caesarean Delivery: A Hospital-Based Cross-Sectional Study
256. Comparison of Sitting and Lateral Decubitus Positions for Spinal Anaesthesia in Caesarean Delivery with Respect to Technical Difficulty and Block Characteristics: A Prospective Comparative Study
257. Association of Palpability of Lumbar Surface Landmarks with Technical Difficulty of Spinal Anaesthesia in Parturients Undergoing Caesarean Delivery: A Cross-Sectional Observational Study
258. Comparison of Midline and Paramedian Approaches for Spinal Anaesthesia in Caesarean Delivery with Respect to First-Attempt Success and Number of Needle Passes: A Prospective Comparative Study
259. Association of Ultrasound-Measured Skin-to-Intrathecal-Space Depth with Actual Needle Insertion Depth During Spinal Anaesthesia for Caesarean Delivery: A Cross-Sectional Study
260. Comparison of Two Different Doses of Intrathecal Hyperbaric Local Anaesthetic for Caesarean Delivery with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
261. Incidence and Predictors of Hypotension Following Spinal Anaesthesia for Caesarean Delivery: A Cross-Sectional Observational Study
262. Comparison of Spinal Anaesthesia with and without Intrathecal Opioid for Caesarean Delivery with Respect to Intraoperative Block Characteristics and Immediate Adverse Effects: A Prospective Comparative Study
263. Pattern of Maternal Haemodynamic Changes Following Spinal Anaesthesia for Caesarean Delivery: A Prospective Observational Study
264. Comparison of Pencil-Point and Cutting-Bevel Spinal Needles for Caesarean Delivery with Respect to Procedural Characteristics and Immediate Complications: A Prospective Comparative Study
265. Association of Maternal Height and Body Mass Index with Maximum Sensory Block Level Following Spinal Anaesthesia for Caesarean Delivery: A Cross-Sectional Observational Study
266. Comparison of Preloading and Coloading with Intravenous Crystalloid for Prevention of Hypotension Following Spinal Anaesthesia for Caesarean Delivery: A Prospective Comparative Study
267. Incidence and Predictors of Intraoperative Nausea and Vomiting During Caesarean Delivery Under Spinal Anaesthesia: A Cross-Sectional Observational Study
268. Comparison of Conventional Landmark-Guided and Ultrasound-Assisted Spinal Anaesthesia in Parturients with Poorly Palpable Lumbar Landmarks: A Prospective Comparative Study
269. Association of Preoperative Anxiety with Maternal Haemodynamic Changes During Spinal Anaesthesia for Caesarean Delivery: A Cross-Sectional Observational Study
270. Comparison of Single-Shot Spinal and Combined Spinal–Epidural Anaesthesia for Caesarean Delivery with Respect to Procedural Time and Immediate Block Characteristics: A Prospective Comparative Study
271. Sonographic Assessment of Lumbar Intervertebral Spaces and Their Relationship with Palpated Surface Landmarks in Parturients Before Neuraxial Anaesthesia: A Cross-Sectional Observational Study
272. Comparison of Sitting and Lateral Positions for Epidural Catheter Placement During Labour with Respect to Technical Difficulty and First-Attempt Success: A Prospective Comparative Study
273. Association of Body Mass Index with Epidural Space Depth and Technical Difficulty of Labour Epidural Catheter Placement: A Cross-Sectional Observational Study
274. Comparison of Conventional Landmark-Guided and Preprocedural Ultrasound-Assisted Epidural Catheter Placement for Labour Analgesia: A Prospective Comparative Study
275. Pattern and Frequency of Immediate Adverse Events Following Initiation of Epidural Labour Analgesia: A Prospective Observational Study
276. Comparison of Epidural and Combined Spinal–Epidural Techniques for Labour Analgesia with Respect to Onset and Initial Quality of Analgesia: A Prospective Comparative Study
277. Association of Cervical Dilatation at Initiation of Epidural Labour Analgesia with Initial Analgesic Effectiveness: A Cross-Sectional Study
278. Comparison of Midline and Paramedian Approaches for Labour Epidural Catheter Placement with Respect to Number of Needle Passes and Procedural Time: A Prospective Comparative Study
279. Association of Ultrasound-Measured Epidural Space Depth with Actual Needle Insertion Depth During Labour Epidural Catheter Placement: A Cross-Sectional Observational Study
280. Comparison of Loss-of-Resistance to Air and Loss-of-Resistance to Saline Techniques for Epidural Space Identification During Labour Analgesia: A Prospective Comparative Study
281. Incidence and Predictors of Inadequate Initial Analgesia Following Labour Epidural Catheter Placement: A Cross-Sectional Observational Study
282. Comparison of Epidural Local Anaesthetic Solutions of Two Different Concentrations for Initiation of Labour Analgesia with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
283. Pattern of Sensory Block Distribution Immediately Following Initiation of Epidural Labour Analgesia: A Prospective Observational Study
284. Comparison of Epidural and Combined Spinal–Epidural Labour Analgesia with Respect to Maternal Haemodynamic Changes and Immediate Adverse Effects: A Prospective Comparative Study
285. Association of Number of Epidural Needle Passes with Patient-Reported Procedural Discomfort During Labour Epidural Placement: A Cross-Sectional Observational Study
286. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Wound Infiltration for Postoperative Analgesia Following Caesarean Delivery: A Prospective Comparative Study
287. Association of Ultrasound-Measured Abdominal Wall Thickness with Technical Difficulty of Transversus Abdominis Plane Block Following Caesarean Delivery: A Cross-Sectional Study
288. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Quadratus Lumborum Block Following Caesarean Delivery with Respect to Immediate Sensory Block Characteristics: A Prospective Comparative Study
289. Pattern of Dermatomal Sensory Blockade Following Ultrasound-Guided Transversus Abdominis Plane Block in Women Undergoing Gynecological Surgery: A Prospective Observational Study
290. Comparison of Ultrasound-Guided Lateral and Posterior Transversus Abdominis Plane Blocks for Gynecological Surgery with Respect to Sensory Block Distribution: A Prospective Comparative Study
291. Association of Local Anaesthetic Spread Pattern on Ultrasound with Sensory Block Success Following Transversus Abdominis Plane Block in Gynecological Surgery: A Cross-Sectional Observational Study
292. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Rectus Sheath Block for Open Gynecological Surgery with Respect to Procedural and Sensory Block Characteristics: A Prospective Comparative Study
293. Association of Operator Experience with Procedural Time and Number of Needle Passes During Regional Anaesthesia Techniques in Obstetric Patients: A Cross-Sectional Observational Study
294. Comparison of Ultrasound-Guided Quadratus Lumborum and Transversus Abdominis Plane Blocks for Abdominal Gynecological Surgery with Respect to Technical Difficulty and Sensory Coverage: A Prospective Comparative Study
295. Incidence and Predictors of Requirement for Supplemental Anaesthesia During Caesarean Delivery Under Spinal Anaesthesia: A Cross-Sectional Observational Study
296. Comparison of Spinal Anaesthesia Using Two Different Intrathecal Local Anaesthetic Doses for Short-Duration Gynecological Procedures with Respect to Block Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
297. Association of Preprocedural Ultrasound Visibility of Neuraxial Structures with First-Attempt Success of Spinal Anaesthesia in Parturients: A Cross-Sectional Study
298. Comparison of Spinal and Combined Spinal–Epidural Anaesthesia for Gynecological Surgery with Respect to Technical Difficulty, Sensory Block Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
299. Pattern and Frequency of Immediate Complications Following Regional Anaesthesia Techniques in Obstetric and Gynecological Patients: A Hospital-Based Cross-Sectional Observational Study
300. Comparison of Spinal, Epidural and Combined Spinal–Epidural Techniques in Obstetric and Gynecological Anaesthesia with Respect to Technical Difficulty, Initial Block Characteristics and Immediate Complications: A Prospective Comparative Observational Study

Regional Blocks in Orthopaedic and Trauma Surgery

301. Ultrasound-Guided Peripheral Nerve Blocks for Orthopaedic and Trauma Surgery: A Cross-Sectional Study of Block Characteristics and Immediate Complications
302. Comparison of Ultrasound-Guided Femoral Nerve Block and Adductor Canal Block for Knee Replacement Surgery: A Prospective Comparative Observational Study
303. Association of Body Mass Index with Technical Difficulty and Performance Time of Ultrasound-Guided Peripheral Nerve Blocks in Orthopaedic Surgical Patients: A Cross-Sectional Observational Study
304. Comparison of Ultrasound-Guided Adductor Canal Block and Femoral Nerve Block with Respect to Quadriceps Motor Blockade in Knee Surgery: A Prospective Comparative Study
305. Clinical Profile and Procedural Characteristics of Patients Receiving Regional Anaesthesia for Orthopaedic and Trauma Surgery: A Hospital-Based Cross-Sectional Study
306. Comparison of Ultrasound-Guided Supraclavicular and Infraclavicular Brachial Plexus Blocks for Upper Limb Fracture Surgery: A Prospective Comparative Study
307. Association of Ultrasound-Measured Nerve Depth with Technical Difficulty of Peripheral Nerve Block in Orthopaedic Surgical Patients: A Cross-Sectional Observational Study
308. Comparison of Ultrasound-Guided Femoral Nerve Block and Fascia Iliaca Compartment Block for Surgery Following Proximal Femur Fracture: A Prospective Comparative Study
309. Pattern of Sensory and Motor Blockade Following Ultrasound-Guided Peripheral Nerve Blocks for Limb Fracture Surgery: A Prospective Observational Study
310. Comparison of Ultrasound-Guided Adductor Canal Block Using Two Different Volumes of Local Anaesthetic for Knee Arthroscopy: A Prospective Comparative Study
311. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Peripheral Nerve Block for Orthopaedic Surgery: A Cross-Sectional Observational Study
312. Comparison of Ultrasound-Guided Supraclavicular and Axillary Brachial Plexus Blocks for Forearm and Wrist Fracture Surgery: A Prospective Comparative Study
313. Association of Fracture Site with Procedural Pain During Positioning for Regional Anaesthesia in Orthopaedic Trauma Patients: A Cross-Sectional Observational Study
314. Comparison of Ultrasound-Guided Fascia Iliaca Compartment Block and Femoral Nerve Block with Respect to Positioning Comfort Before Spinal Anaesthesia in Patients with Proximal Femur Fracture: A Prospective Comparative Study
315. Association of Preprocedural Pain Severity with Patient-Reported Discomfort During Peripheral Nerve Block Placement in Limb Trauma: A Cross-Sectional Study
316. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block and Ankle Block for Foot and Ankle Orthopaedic Surgery: A Prospective Comparative Study
317. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Peripheral Nerve Blocks for Orthopaedic and Trauma Surgery: A Cross-Sectional Observational Study
318. Comparison of Ultrasound-Guided Interscalene and Superior Trunk Blocks for Shoulder Arthroscopy with Respect to Block Characteristics and Diaphragmatic Movement: A Prospective Comparative Study
319. Association of Ultrasound Image Quality with First-Attempt Success of Peripheral Nerve Block in Orthopaedic Surgical Patients: A Cross-Sectional Study
320. Comparison of Ultrasound-Guided Interscalene and Supraclavicular Brachial Plexus Blocks for Proximal Humerus Fracture Surgery: A Prospective Comparative Study
321. Clinical Pattern of Failed Nerve Territories Following Ultrasound-Guided Brachial Plexus Block for Upper Limb Orthopaedic Surgery: A Prospective Observational Study
322. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block and Selective Terminal Nerve Blocks for Hand and Wrist Orthopaedic Surgery: A Prospective Comparative Study
323. Association of Patient Age with Onset and Quality of Peripheral Nerve Block in Orthopaedic Trauma Patients: A Cross-Sectional Observational Study
324. Comparison of Ultrasound-Guided Infraclavicular and Axillary Brachial Plexus Blocks with Respect to Procedural Time and Block Success in Distal Upper Limb Fracture Surgery: A Prospective Comparative Study
325. Pattern and Frequency of Requirement for Supplemental Nerve Block Following Brachial Plexus Block for Upper Limb Orthopaedic Surgery: A Prospective Observational Study
326. Comparison of Ultrasound-Guided Femoral Nerve Block and Combined Femoral and Lateral Femoral Cutaneous Nerve Blocks for Procedures Involving the Anterior Thigh: A Prospective Comparative Study
327. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Peripheral Nerve Block in Orthopaedic Patients: A Cross-Sectional Study
328. Comparison of Ultrasound-Guided Adductor Canal Block and Periarticular Local Anaesthetic Infiltration for Knee Replacement Surgery: A Prospective Comparative Study
329. Association of Ultrasound-Measured Femoral Nerve Depth with Performance Time and First-Attempt Success of Femoral Nerve Block in Patients with Proximal Femur Fracture: A Cross-Sectional Observational Study
330. Comparison of Ultrasound-Guided Femoral Nerve Block and Fascia Iliaca Compartment Block with Respect to Immediate Analgesia During Positioning for Neuraxial Anaesthesia in Hip Fracture Surgery: A Prospective Comparative Study
331. Association of Preprocedural Anxiety with Pain During Ultrasound-Guided Peripheral Nerve Block Placement in Orthopaedic Trauma Patients: A Cross-Sectional Observational Study
332. Comparison of Ultrasound-Guided Proximal and Distal Adductor Canal Blocks for Knee Surgery with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
333. Immediate Haemodynamic Changes Following Peripheral Nerve Blocks in Patients Undergoing Orthopaedic Trauma Surgery: A Prospective Observational Study
334. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block Using Prebifurcation and Postbifurcation Injection Techniques for Ankle and Foot Fracture Surgery: A Prospective Comparative Study
335. Association of Ultrasound-Measured Sciatic Nerve Depth with Technical Difficulty of Popliteal Sciatic Nerve Block in Foot and Ankle Surgery: A Cross-Sectional Study
336. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block and Selective Tibial and Common Peroneal Nerve Blocks for Foot and Ankle Orthopaedic Procedures: A Prospective Comparative Study
337. Incidence and Predictors of Inadequate Regional Anaesthesia Requiring Supplemental Anaesthesia During Limb Fracture Surgery: A Cross-Sectional Observational Study
338. Comparison of Spinal Anaesthesia and Combined Spinal–Epidural Anaesthesia for Lower Limb Joint Replacement Surgery with Respect to Block Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
339. Association of Local Anaesthetic Spread Pattern on Ultrasound with Success of Peripheral Nerve Block in Orthopaedic Surgical Patients: A Cross-Sectional Observational Study
340. Comparison of Spinal Anaesthesia in Sitting and Lateral Decubitus Positions for Lower Limb Fracture Surgery with Respect to Technical Difficulty and Immediate Block Characteristics: A Prospective Comparative Study
341. Clinical Profile and Immediate Outcomes of Regional Anaesthesia Techniques Used for Emergency Limb Trauma Surgery: A Hospital-Based Cross-Sectional Observational Study
342. Comparison of Ultrasound-Guided Fascia Iliaca Compartment Block and Adductor Canal Block with Respect to Sensory Distribution in Lower Limb Orthopaedic Surgery: A Prospective Comparative Study
343. Association of Operator Experience with Performance Time and Number of Needle Passes During Regional Anaesthesia for Orthopaedic and Trauma Surgery: A Cross-Sectional Observational Study
344. Comparison of Ultrasound-Guided Interscalene Brachial Plexus Block Using Low and Conventional Volumes of Local Anaesthetic for Shoulder Arthroscopy: A Prospective Comparative Study
345. Incidence and Predictors of Requirement for Supplemental Analgesia Following Ultrasound-Guided Peripheral Nerve Block in Orthopaedic Surgery: A Cross-Sectional Observational Study
346. Comparison of Ultrasound-Guided Adductor Canal Block Alone and Combined Adductor Canal and Popliteal Sciatic Nerve Blocks for Knee and Proximal Leg Surgery with Respect to Sensory Block Characteristics: A Prospective Comparative Study
347. Association of Duration Since Injury with Pain Severity and Patient Cooperation During Regional Anaesthesia Placement in Limb Trauma Patients: A Cross-Sectional Study
348. Comparison of Ultrasound-Guided Peripheral Nerve Block and Spinal Anaesthesia for Selected Distal Lower Limb Orthopaedic Procedures with Respect to Procedural Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
349. Pattern and Frequency of Immediate Adverse Events Following Regional Anaesthesia for Orthopaedic and Trauma Surgery: A Hospital-Based Cross-Sectional Observational Study
350. Comparison of Ultrasound-Guided Peripheral Nerve Blocks and Neuraxial Anaesthesia with Respect to Technical Difficulty, Immediate Block Characteristics and Procedural Complications in Lower Limb Orthopaedic Surgery: A Prospective Comparative Observational Study

Ultrasound-Guided Regional Anaesthesia

351. Ultrasound-Guided Regional Anaesthesia for Elective Surgery: A Cross-Sectional Study of Block Characteristics and Immediate Procedural Complications
352. Comparison of Ultrasound-Guided and Peripheral Nerve Stimulator-Guided Peripheral Nerve Blocks with Respect to Performance Time and Block Success: A Prospective Comparative Observational Study
353. Association of Ultrasound Image Quality with First-Attempt Success of Peripheral Nerve Block: A Cross-Sectional Observational Study
354. Comparison of Ultrasound-Guided and Landmark-Guided Peripheral Nerve Blocks with Respect to Procedural Time, Needle Attempts and Block Characteristics: A Prospective Comparative Study
355. Clinical Profile and Procedural Characteristics of Patients Receiving Ultrasound-Guided Regional Anaesthesia: A Hospital-Based Cross-Sectional Study
356. Comparison of In-Plane and Out-of-Plane Needle Approaches During Ultrasound-Guided Peripheral Nerve Blocks with Respect to Needle Visibility and Procedural Characteristics: A Prospective Comparative Study
357. Association of Body Mass Index with Ultrasound Image Quality and Technical Difficulty of Ultrasound-Guided Peripheral Nerve Blocks: A Cross-Sectional Observational Study
358. Comparison of Short-Axis and Long-Axis Ultrasound Imaging Approaches for Peripheral Nerve Identification and Block Performance: A Prospective Comparative Study
359. Association of Ultrasound-Measured Skin-to-Nerve Distance with Actual Needle Insertion Depth During Peripheral Nerve Block: A Cross-Sectional Study
360. Comparison of Ultrasound-Guided and Combined Ultrasound and Peripheral Nerve Stimulator-Guided Techniques for Peripheral Nerve Block: A Prospective Comparative Study
361. Incidence and Predictors of Incomplete Sensory Block Following Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
362. Comparison of Single-Injection and Multiple-Injection Techniques During Ultrasound-Guided Peripheral Nerve Block with Respect to Block Characteristics: A Prospective Comparative Study
363. Pattern of Local Anaesthetic Spread During Ultrasound-Guided Peripheral Nerve Blocks: A Prospective Observational Study
364. Comparison of Perineural and Fascial Plane Injection Techniques with Respect to Ultrasound-Guided Local Anaesthetic Spread and Sensory Block Characteristics: A Prospective Comparative Study
365. Association of Ultrasound-Measured Nerve Depth with Performance Time and Number of Needle Passes During Peripheral Nerve Block: A Cross-Sectional Observational Study
366. Comparison of Circumferential and Non-Circumferential Local Anaesthetic Spread Around Peripheral Nerves with Respect to Immediate Block Characteristics: A Prospective Comparative Study
367. Incidence of Vascular Puncture and Other Immediate Procedural Complications During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
368. Comparison of Ultrasound-Guided Peripheral Nerve Block Using Transverse and Longitudinal Needle Visualization Techniques: A Prospective Comparative Study
369. Association of Needle Visibility Score with First-Attempt Success of Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Study
370. Comparison of Different Needle Insertion Angles with Respect to Needle Visibility During Ultrasound-Guided Peripheral Nerve Block: A Prospective Comparative Study
371. Sonographic Assessment of Peripheral Nerve Depth, Cross-Sectional Area and Anatomical Variations at Common Regional Anaesthesia Sites: A Cross-Sectional Observational Study
372. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block Using Corner-Pocket and Cluster Injection Techniques with Respect to Local Anaesthetic Spread and Block Characteristics: A Prospective Comparative Study
373. Association of Patient Age with Ultrasound Visibility of Peripheral Nerves and Block Performance Characteristics: A Cross-Sectional Observational Study
374. Comparison of Ultrasound-Guided Femoral Nerve Block Using In-Plane and Out-of-Plane Needle Approaches with Respect to Needle Visibility and Block Success: A Prospective Comparative Study
375. Pattern and Frequency of Inadequate Local Anaesthetic Spread During Ultrasound-Guided Peripheral Nerve Blocks: A Prospective Observational Study
376. Comparison of Ultrasound-Guided Supraclavicular Brachial Plexus Block with Peripheral Nerve Stimulator-Guided Supraclavicular Brachial Plexus Block: A Prospective Comparative Study
377. Association of Number of Needle Passes with Patient-Reported Procedural Discomfort During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Study
378. Comparison of Ultrasound-Guided Femoral Nerve Block with Landmark-Guided Femoral Nerve Block with Respect to Performance Time and Immediate Block Characteristics: A Prospective Comparative Study
379. Association of Peripheral Nerve Cross-Sectional Area with Onset and Quality of Sensory Block Following Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
380. Comparison of Ultrasound-Guided Axillary Brachial Plexus Block Using Perivascular and Individual Nerve Injection Techniques: A Prospective Comparative Study
381. Association of Preprocedural Anxiety with Patient-Reported Pain During Ultrasound-Guided Peripheral Nerve Block Placement: A Cross-Sectional Observational Study
382. Comparison of Preprocedural Ultrasound Scanning and Real-Time Ultrasound Guidance for Identification and Performance of Selected Regional Anaesthesia Techniques: A Prospective Comparative Study
383. Incidence and Pattern of Paraesthesia During Ultrasound-Guided Peripheral Nerve Block Placement: A Prospective Observational Study
384. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve Block Using Prebifurcation and Postbifurcation Injection Techniques with Respect to Local Anaesthetic Spread and Block Characteristics: A Prospective Comparative Study
385. Association of Skin-to-Nerve Distance with Ultrasound Needle Visibility During Peripheral Nerve Block: A Cross-Sectional Study
386. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block Using In-Plane and Out-of-Plane Needle Approaches with Respect to Needle Visualization and Local Anaesthetic Spread: A Prospective Comparative Study
387. Immediate Haemodynamic Changes During Ultrasound-Guided Regional Anaesthesia: A Prospective Observational Study
388. Comparison of Ultrasound-Guided Peripheral Nerve Blocks Using Two Different Ultrasound Probe Orientations with Respect to Nerve Identification and Procedural Characteristics: A Prospective Comparative Study
389. Association of Local Anaesthetic Spread Pattern on Ultrasound with Immediate Sensory Block Success Following Peripheral Nerve Block: A Cross-Sectional Observational Study
390. Comparison of Ultrasound-Guided Peripheral Nerve Blocks Using Single-Point and Multiple-Point Local Anaesthetic Injection Techniques: A Prospective Comparative Study
391. Sonographic Assessment of Anatomical Variations of Peripheral Nerves and Adjacent Vascular Structures at Common Block Sites: A Cross-Sectional Observational Study
392. Comparison of Ultrasound-Guided and Peripheral Nerve Stimulator-Guided Techniques with Respect to Number of Needle Passes and Patient-Reported Procedural Discomfort: A Prospective Comparative Study
393. Association of Operator Experience with Needle Visualization, Performance Time and Number of Needle Passes During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
394. Comparison of Ultrasound-Guided Peripheral Nerve Blocks Performed with Different Ultrasound Probe Frequencies with Respect to Image Quality and Nerve Visibility: A Prospective Comparative Study
395. Incidence and Predictors of Requirement for Supplemental Nerve Block Following Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
396. Comparison of Ultrasound-Guided and Anatomical Landmark-Guided Transversus Abdominis Plane Blocks with Respect to Procedural Characteristics and Immediate Sensory Block: A Prospective Comparative Study
397. Association of Ultrasound-Measured Fascial Plane Depth with Needle Visibility and Technical Difficulty During Ultrasound-Guided Fascial Plane Blocks: A Cross-Sectional Study
398. Comparison of Ultrasound-Guided Peripheral Nerve Blocks Using Two Different Local Anaesthetic Spread Endpoints with Respect to Immediate Block Characteristics: A Prospective Comparative Study
399. Pattern and Frequency of Immediate Adverse Events During Ultrasound-Guided Regional Anaesthesia: A Hospital-Based Cross-Sectional Observational Study
400. Comparison of Ultrasound-Guided, Landmark-Guided and Peripheral Nerve Stimulator-Guided Regional Anaesthesia Techniques with Respect to Procedural Time, Technical Difficulty, Block Characteristics and Immediate Complications: A Prospective Comparative Observational Study

Local Anesthetics and Adjuvants in Regional Blocks

401. Comparison of Bupivacaine and Ropivacaine for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
402. Comparison of Two Different Concentrations of Ropivacaine for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Onset and Quality of Sensory and Motor Blockade: A Prospective Comparative Study
403. Association of Local Anaesthetic Dose with Immediate Sensory and Motor Block Characteristics Following Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
404. Comparison of Two Different Volumes of Bupivacaine for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Block Characteristics and Immediate Complications: A Prospective Comparative Study
405. Clinical Profile and Immediate Block Characteristics of Patients Receiving Different Local Anaesthetic Agents for Ultrasound-Guided Regional Anaesthesia: A Hospital-Based Cross-Sectional Study
406. Comparison of Bupivacaine and Ropivacaine for Ultrasound-Guided Infraclavicular Brachial Plexus Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
407. Association of Body Mass Index with Local Anaesthetic Volume Requirement and Immediate Block Success During Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
408. Comparison of Two Different Concentrations of Bupivacaine for Ultrasound-Guided Axillary Brachial Plexus Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
409. Comparison of Bupivacaine and Ropivacaine for Ultrasound-Guided Femoral Nerve Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
410. Comparison of Two Different Volumes of Ropivacaine for Ultrasound-Guided Adductor Canal Block with Respect to Sensory Distribution and Quadriceps Motor Blockade: A Prospective Comparative Study
411. Incidence and Predictors of Incomplete Sensory Block with Different Local Anaesthetic Concentrations During Ultrasound-Guided Peripheral Nerve Blocks: A Cross-Sectional Observational Study
412. Comparison of Bupivacaine and Ropivacaine for Ultrasound-Guided Popliteal Sciatic Nerve Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
413. Pattern of Sensory and Motor Blockade with Different Local Anaesthetic Concentrations Following Ultrasound-Guided Peripheral Nerve Blocks: A Prospective Observational Study
414. Comparison of Two Different Volumes of Local Anaesthetic for Ultrasound-Guided Fascia Iliaca Compartment Block with Respect to Sensory Nerve Distribution: A Prospective Comparative Study
415. Association of Ultrasound-Observed Local Anaesthetic Spread Pattern with Immediate Block Success at Different Injected Volumes: A Cross-Sectional Observational Study
416. Comparison of Bupivacaine and Ropivacaine for Ultrasound-Guided Transversus Abdominis Plane Block with Respect to Immediate Sensory Block Characteristics: A Prospective Comparative Study
417. Incidence and Pattern of Immediate Adverse Effects Following Different Local Anaesthetic Agents Used for Regional Anaesthesia: A Cross-Sectional Observational Study
418. Comparison of Two Different Concentrations of Ropivacaine for Ultrasound-Guided Erector Spinae Plane Block with Respect to Dermatomal Sensory Spread: A Prospective Comparative Study
419. Association of Total Local Anaesthetic Dose with Immediate Haemodynamic Changes During Regional Anaesthesia: A Cross-Sectional Study
420. Comparison of Two Different Volumes of Local Anaesthetic for Ultrasound-Guided Serratus Anterior Plane Block with Respect to Dermatomal Sensory Coverage: A Prospective Comparative Study
421. Comparison of Bupivacaine Alone and Bupivacaine with Dexamethasone for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Onset and Immediate Quality of Sensory and Motor Blockade: A Prospective Comparative Study
422. Comparison of Ropivacaine Alone and Ropivacaine with Dexamethasone for Ultrasound-Guided Infraclavicular Brachial Plexus Block with Respect to Immediate Block Characteristics: A Prospective Comparative Study
423. Association of Perineural Dexamethasone Dose with Immediate Sensory and Motor Block Characteristics During Peripheral Nerve Block: A Cross-Sectional Observational Study
424. Comparison of Bupivacaine with Dexamethasone and Bupivacaine with Dexmedetomidine for Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Prospective Comparative Study
425. Pattern of Immediate Haemodynamic Changes Following Dexmedetomidine as an Adjuvant to Local Anaesthetic in Peripheral Nerve Blocks: A Prospective Observational Study
426. Comparison of Ropivacaine Alone and Ropivacaine with Dexmedetomidine for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Sensory and Motor Block Characteristics: A Prospective Comparative Study
427. Association of Dexmedetomidine Dose with Sedation and Immediate Haemodynamic Changes When Used as an Adjuvant in Peripheral Nerve Blocks: A Cross-Sectional Observational Study
428. Comparison of Two Different Doses of Dexmedetomidine as an Adjuvant to Ropivacaine for Ultrasound-Guided Brachial Plexus Block: A Prospective Comparative Study
429. Comparison of Bupivacaine Alone and Bupivacaine with Clonidine for Ultrasound-Guided Supraclavicular Brachial Plexus Block with Respect to Immediate Block Characteristics: A Prospective Comparative Study
430. Comparison of Clonidine and Dexmedetomidine as Adjuvants to Ropivacaine for Ultrasound-Guided Brachial Plexus Block: A Prospective Comparative Study
431. Association of Alpha-2 Adrenergic Agonist Adjuvants with Immediate Bradycardia and Hypotension During Peripheral Nerve Blocks: A Cross-Sectional Observational Study
432. Comparison of Dexamethasone and Dexmedetomidine as Adjuvants to Bupivacaine for Ultrasound-Guided Peripheral Nerve Block with Respect to Onset and Quality of Blockade: A Prospective Comparative Study
433. Pattern and Frequency of Immediate Adverse Effects Following Perineural Adjuvants Used with Local Anaesthetics: A Prospective Observational Study
434. Comparison of Bupivacaine Alone and Bupivacaine with Fentanyl for Ultrasound-Guided Brachial Plexus Block with Respect to Immediate Sensory and Motor Block Characteristics: A Prospective Comparative Study
435. Association of Opioid Adjuvant Use with Immediate Nausea, Pruritus and Sedation During Regional Anaesthesia: A Cross-Sectional Observational Study
436. Comparison of Fentanyl and Dexamethasone as Adjuvants to Bupivacaine for Ultrasound-Guided Supraclavicular Brachial Plexus Block: A Prospective Comparative Study
437. Comparison of Bupivacaine Alone and Bupivacaine with Buprenorphine for Ultrasound-Guided Brachial Plexus Block with Respect to Immediate Block Characteristics: A Prospective Comparative Study
438. Comparison of Dexmedetomidine and Clonidine as Adjuvants to Bupivacaine for Ultrasound-Guided Femoral Nerve Block: A Prospective Comparative Study
439. Association of Local Anaesthetic Concentration with Degree of Motor Blockade During Ultrasound-Guided Adductor Canal Block: A Cross-Sectional Observational Study
440. Comparison of Ropivacaine Alone and Ropivacaine with Dexamethasone for Ultrasound-Guided Transversus Abdominis Plane Block with Respect to Immediate Sensory Block Characteristics: A Prospective Comparative Study
441. Comparison of Local Anaesthetic Alone and Local Anaesthetic with Dexamethasone for Ultrasound-Guided Erector Spinae Plane Block with Respect to Immediate Dermatomal Sensory Spread: A Prospective Comparative Study
442. Comparison of Local Anaesthetic Alone and Local Anaesthetic with Dexmedetomidine for Ultrasound-Guided Serratus Anterior Plane Block with Respect to Sensory Block Characteristics and Immediate Haemodynamic Changes: A Prospective Comparative Study
443. Association of Type of Local Anaesthetic Adjuvant with Immediate Block Success and Adverse Effects in Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
444. Comparison of Dexamethasone and Dexmedetomidine as Adjuvants to Ropivacaine for Ultrasound-Guided Popliteal Sciatic Nerve Block: A Prospective Comparative Study
445. Incidence and Predictors of Requirement for Supplemental Anaesthesia with Different Local Anaesthetic Concentrations During Peripheral Nerve Blocks: A Cross-Sectional Observational Study
446. Comparison of Two Different Volumes of Local Anaesthetic for Ultrasound-Guided Quadratus Lumborum Block with Respect to Dermatomal Sensory Spread and Immediate Block Characteristics: A Prospective Comparative Study
447. Association of Local Anaesthetic Volume per Kilogram of Body Weight with Extent of Sensory Block Following Ultrasound-Guided Fascial Plane Blocks: A Cross-Sectional Study
448. Comparison of Bupivacaine, Ropivacaine and Levobupivacaine for Ultrasound-Guided Peripheral Nerve Blocks with Respect to Onset, Sensory Block and Motor Block Characteristics: A Prospective Comparative Observational Study
449. Pattern and Frequency of Immediate Adverse Events Associated with Local Anaesthetics and Adjuvants Used in Regional Anaesthesia: A Hospital-Based Cross-Sectional Observational Study
450. Comparison of Local Anaesthetic Alone, Local Anaesthetic with Dexamethasone and Local Anaesthetic with Dexmedetomidine for Ultrasound-Guided Peripheral Nerve Blocks with Respect to Onset, Immediate Block Characteristics and Adverse Effects: A Prospective Comparative Observational Study

Block Efficacy, Safety and Perioperative Outcomes

451. Block Success and Immediate Perioperative Outcomes Following Ultrasound-Guided Peripheral Nerve Blocks for Elective Surgery: A Cross-Sectional Observational Study
452. Comparison of Ultrasound-Guided Supraclavicular and Infraclavicular Brachial Plexus Blocks with Respect to Block Success, Onset and Immediate Perioperative Outcomes: A Prospective Comparative Observational Study
453. Association of Patient and Procedural Factors with Success of Ultrasound-Guided Peripheral Nerve Blocks: A Cross-Sectional Observational Study
454. Comparison of Ultrasound-Guided Adductor Canal and Femoral Nerve Blocks with Respect to Sensory Block Success and Motor-Sparing Effect in Knee Surgery: A Prospective Comparative Study
455. Clinical Profile and Immediate Outcomes of Patients Receiving Ultrasound-Guided Regional Anaesthesia for Elective Surgery: A Hospital-Based Cross-Sectional Study
456. Comparison of Ultrasound-Guided Supraclavicular and Axillary Brachial Plexus Blocks with Respect to Onset, Block Success and Requirement for Supplemental Anaesthesia: A Prospective Comparative Study
457. Association of Body Mass Index with Block Success, Performance Time and Immediate Complications Following Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
458. Comparison of Ultrasound-Guided Femoral Nerve and Fascia Iliaca Compartment Blocks with Respect to Immediate Analgesic Efficacy and Motor Blockade in Proximal Femur Fracture Surgery: A Prospective Comparative Study
459. Pattern of Sensory and Motor Block Onset Following Ultrasound-Guided Peripheral Nerve Blocks: A Prospective Observational Study
460. Comparison of Ultrasound-Guided Popliteal Sciatic Nerve and Ankle Blocks with Respect to Block Success, Onset and Immediate Motor Blockade in Foot and Ankle Surgery: A Prospective Comparative Study
461. Incidence and Predictors of Failed or Incomplete Ultrasound-Guided Peripheral Nerve Block in Surgical Patients: A Cross-Sectional Observational Study
462. Comparison of Single-Injection and Multiple-Injection Ultrasound-Guided Peripheral Nerve Block Techniques with Respect to Onset and Block Success: A Prospective Comparative Study
463. Association of Number of Needle Passes with Block Success and Immediate Procedural Complications During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
464. Comparison of Ultrasound-Guided Interscalene and Superior Trunk Blocks with Respect to Block Success, Motor Blockade and Diaphragmatic Movement in Shoulder Surgery: A Prospective Comparative Study
465. Association of Ultrasound Image Quality with Block Success and Requirement for Supplemental Anaesthesia Following Peripheral Nerve Block: A Cross-Sectional Study
466. Comparison of Ultrasound-Guided Adductor Canal Block Using Two Different Local Anaesthetic Concentrations with Respect to Sensory Block and Quadriceps Motor-Sparing Effect: A Prospective Comparative Study
467. Incidence and Pattern of Immediate Complications Following Ultrasound-Guided Peripheral Nerve Blocks: A Cross-Sectional Observational Study
468. Comparison of Ultrasound-Guided Erector Spinae Plane and Thoracic Paravertebral Blocks with Respect to Immediate Analgesic Efficacy and Sensory Block Characteristics in Breast Surgery: A Prospective Comparative Study
469. Association of Local Anaesthetic Spread Pattern on Ultrasound with Block Success and Onset of Sensory Block: A Cross-Sectional Observational Study
470. Comparison of Ultrasound-Guided Transversus Abdominis Plane and Quadratus Lumborum Blocks with Respect to Immediate Postoperative Pain and Sensory Block Characteristics Following Abdominal Surgery: A Prospective Comparative Study
471. Incidence and Predictors of Requirement for Supplemental Anaesthesia Following Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
472. Comparison of Ultrasound-Guided Serratus Anterior Plane and Erector Spinae Plane Blocks with Respect to Immediate Postoperative Pain and Dermatomal Sensory Coverage Following Thoracic Surgery: A Prospective Comparative Study
473. Association of Patient Age with Block Onset, Success and Immediate Motor Blockade Following Ultrasound-Guided Peripheral Nerve Block: A Cross-Sectional Observational Study
474. Comparison of Ultrasound-Guided Femoral and Adductor Canal Blocks with Respect to Immediate Postoperative Pain and Quadriceps Motor Function Following Knee Surgery: A Prospective Comparative Study
475. Pattern and Frequency of Requirement for Rescue Analgesia in the Immediate Postoperative Period Following Ultrasound-Guided Regional Anaesthesia: A Prospective Observational Study
476. Comparison of Ultrasound-Guided Brachial Plexus Block Using Two Different Volumes of Local Anaesthetic with Respect to Block Success and Immediate Motor Blockade: A Prospective Comparative Study
477. Association of Preoperative Pain Severity with Immediate Postoperative Analgesic Effectiveness of Peripheral Nerve Blocks: A Cross-Sectional Study
478. Comparison of Ultrasound-Guided Transversus Abdominis Plane Block and Surgical Wound Infiltration with Respect to Immediate Postoperative Pain and Rescue Analgesic Requirement Following Abdominal Surgery: A Prospective Comparative Study
479. Association of Peripheral Nerve Depth with Block Onset, Success and Immediate Procedural Complications During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
480. Comparison of Ultrasound-Guided Pectoral Nerve and Serratus Anterior Plane Blocks with Respect to Immediate Postoperative Pain and Rescue Analgesic Requirement Following Breast Surgery: A Prospective Comparative Study
481. Association of Preprocedural Anxiety with Patient Satisfaction and Procedural Discomfort During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
482. Comparison of Ultrasound-Guided Peripheral Nerve Block and Spinal Anaesthesia with Respect to Immediate Postoperative Pain, Motor Blockade and Patient Satisfaction in Selected Lower Limb Surgery: A Prospective Comparative Study
483. Pattern of Patient-Reported Satisfaction Following Ultrasound-Guided Regional Anaesthesia for Elective Surgery: A Cross-Sectional Observational Study
484. Comparison of Ultrasound-Guided Adductor Canal and Fascia Iliaca Compartment Blocks with Respect to Motor-Sparing Effect and Immediate Recovery Characteristics Following Lower Limb Surgery: A Prospective Comparative Study
485. Association of Block Performance Time with Patient Satisfaction and Immediate Recovery Characteristics Following Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Study
486. Comparison of Ultrasound-Guided Interscalene and Supraclavicular Brachial Plexus Blocks with Respect to Immediate Postoperative Pain, Motor Blockade and Patient Satisfaction in Upper Limb Surgery: A Prospective Comparative Study
487. Incidence and Predictors of Vascular Puncture, Paraesthesia and Other Immediate Adverse Events During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
488. Comparison of Ultrasound-Guided Peripheral Nerve Blocks Using Low and Conventional Volumes of Local Anaesthetic with Respect to Block Success and Immediate Complications: A Prospective Comparative Study
489. Association of Operator Experience with Block Success, Procedural Time and Immediate Complications During Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
490. Comparison of Ultrasound-Guided Femoral Nerve and Adductor Canal Blocks with Respect to Motor Blockade and Readiness for Early Mobilization Following Knee Surgery: A Prospective Comparative Study
491. Pattern and Frequency of Immediate Haemodynamic Changes Following Ultrasound-Guided Regional Anaesthesia: A Prospective Observational Study
492. Comparison of Ultrasound-Guided Thoracic Paravertebral and Erector Spinae Plane Blocks with Respect to Immediate Recovery Characteristics and Patient Satisfaction Following Breast Surgery: A Prospective Comparative Study
493. Association of Immediate Postoperative Pain Severity with Patient Satisfaction Following Regional Anaesthesia: A Cross-Sectional Observational Study
494. Comparison of Ultrasound-Guided Transversus Abdominis Plane and Rectus Sheath Blocks with Respect to Immediate Postoperative Pain and Recovery Characteristics Following Abdominal Surgery: A Prospective Comparative Study
495. Incidence and Predictors of Inadequate Immediate Postoperative Analgesia Following Ultrasound-Guided Regional Anaesthesia: A Cross-Sectional Observational Study
496. Comparison of Ultrasound-Guided Peripheral Nerve Block with and without Dexamethasone as an Adjuvant with Respect to Block Onset, Immediate Analgesic Efficacy and Adverse Effects: A Prospective Comparative Study
497. Association of Degree of Motor Blockade with Immediate Patient Satisfaction and Recovery Characteristics Following Lower Limb Peripheral Nerve Block: A Cross-Sectional Study
498. Comparison of Ultrasound-Guided Adductor Canal, Femoral Nerve and Fascia Iliaca Compartment Blocks with Respect to Immediate Analgesic Efficacy, Motor Blockade and Recovery Characteristics in Lower Limb Surgery: A Prospective Comparative Observational Study
499. Pattern and Frequency of Block Failure, Supplemental Anaesthesia and Immediate Adverse Events Following Regional Anaesthesia: A Hospital-Based Cross-Sectional Observational Study
500. Comparison of Ultrasound-Guided Peripheral Nerve Blocks and Neuraxial Anaesthesia with Respect to Block Success, Immediate Postoperative Pain, Motor Blockade, Patient Satisfaction and Early Recovery Characteristics: A Prospective Comparative Observational Study