Fistulography Thesis Topics

This page covers fistulography thesis topics across perianal and anorectal fistulas, enterocutaneous and postoperative fistulas, urinary fistulas, and sinus tracts or chronic discharging wounds for MD Radiodiagnosis candidates. The emphasis is on fistula imaging research topics that can be completed within one thesis period using clinically indicated contrast studies, available cross-sectional imaging, operative findings and routine clinical records already present in a teaching hospital, without requiring research-only procedures. A defensible radiodiagnosis protocol should define tract opacification, the patient-versus-tract unit of analysis and the reference standard before data collection, with the same definitions retained in the radiology synopsis.

Last reviewed and updated: September 2026 · 2026–27 admissions

Perianal and anorectal fistulas

An observational cross-sectional study of fistulographic morphology and anatomical distribution of perianal fistulas in patients presenting to a tertiary care hospital.
A cross-sectional study of the number, length, branching pattern, and internal opening of perianal fistulas demonstrated on conventional fistulography.
A comparative cross-sectional study of fistulographic findings in primary and recurrent perianal fistulas in adult patients.
An analytical cross-sectional study of the association between external opening location and fistulographic complexity of perianal fistulas.
A comparative cross-sectional study of fistulographic characteristics of simple and complex perianal fistulas.
An observational cross-sectional study of secondary extensions and side branches detected by fistulography in patients with chronic perianal fistulas.
An analytical cross-sectional study of clinical duration of symptoms and complexity of fistulous tracts demonstrated on fistulography in perianal fistula.
A comparative cross-sectional study of fistulographic patterns in patients with single and multiple external openings of perianal fistulas.
An observational cross-sectional study of contrast filling patterns and anatomical course of anorectal fistulas evaluated by conventional fistulography.
A cross-sectional study of the prevalence and distribution of branching fistulous tracts among patients undergoing fistulography for suspected perianal fistula.
A comparative cross-sectional study of fistulographic findings in anterior and posterior perianal fistulas.
An analytical cross-sectional study of the relationship between distance of the external opening from the anal verge and fistulographic tract length.
An observational cross-sectional study of blind-ending tracts, communicating tracts, and internal openings identified on fistulography in anorectal fistulas.
A comparative cross-sectional study of fistulographic complexity in patients with first-time and previously operated perianal fistulas.
An analytical cross-sectional study of demographic and clinical factors associated with complex fistulographic patterns in perianal fistula.
A cross-sectional study of fistulographic features of horseshoe and branching perianal fistulas in patients presenting with chronic perianal discharge.
A comparative cross-sectional study of clinical examination findings and fistulographic findings in mapping perianal fistulous tracts.
A diagnostic accuracy cross-sectional study of conventional fistulography for identification of internal openings in perianal fistulas using operative findings available during the same admission as the reference standard.
A comparative cross-sectional study of preoperative fistulographic tract classification and intraoperative anatomical findings in patients undergoing surgery for perianal fistula.
An observational cross-sectional study of fistulographic abnormalities among patients presenting with persistent perianal discharge and suspected fistula.
An analytical cross-sectional study of fistula tract length and number of secondary extensions in relation to recurrent perianal fistula.
A comparative cross-sectional study of fistulographic patterns in male and female patients with perianal fistulas.
An observational cross-sectional study of incomplete contrast opacification and other technical limitations encountered during fistulography of perianal fistulas.
A comparative cross-sectional study of fistulographic findings in patients with clinically simple and clinically suspected complex perianal fistulas.
An analytical cross-sectional study of clinical presentation, external opening characteristics, and fistulographic morphology of perianal and anorectal fistulas in an Indian tertiary care hospital.

Enterocutaneous and postoperative fistulas

An observational cross-sectional study of fistulographic anatomy and communication patterns of enterocutaneous fistulas in patients presenting to a tertiary care hospital.
A cross-sectional study of the anatomical sites of bowel communication demonstrated by fistulography in patients with enterocutaneous fistulas.
A comparative cross-sectional study of fistulographic characteristics of spontaneous and postoperative enterocutaneous fistulas.
An analytical cross-sectional study of abdominal operative history and fistulographic complexity in patients with postoperative enterocutaneous fistulas.
An observational cross-sectional study of tract length, calibre, branching, and bowel communication in postoperative abdominal fistulas evaluated by fistulography.
A comparative cross-sectional study of fistulographic patterns in single-tract and multiple-tract enterocutaneous fistulas.
An analytical cross-sectional study of external fistula opening characteristics and the anatomical site of bowel communication demonstrated on fistulography.
A cross-sectional study of the prevalence of blind-ending sinus tracts and bowel-communicating fistulas among postoperative patients referred for fistulography.
An observational cross-sectional study of fistulographic findings in patients with persistent postoperative abdominal wound discharge.
A comparative cross-sectional study of fistulographic findings in early-presenting and late-presenting postoperative enterocutaneous fistulas assessed at a single imaging encounter.
An analytical cross-sectional study of previous gastrointestinal surgical procedure and site of enteric communication demonstrated by fistulography.
A comparative cross-sectional study of fistulographic features of small-bowel and large-bowel enterocutaneous fistulas.
An observational cross-sectional study of secondary cavities and branching tracts associated with postoperative enterocutaneous fistulas on fistulography.
A diagnostic accuracy cross-sectional study of fistulography for detection of bowel communication in postoperative discharging abdominal wounds using contemporaneous surgical or cross-sectional imaging findings as the reference standard.
A comparative cross-sectional study of clinical localisation and fistulographic localisation of bowel communication in enterocutaneous fistulas.
An analytical cross-sectional study of the relationship between duration of postoperative wound discharge and fistulographic tract complexity.
A cross-sectional study of fistulographic patterns in patients with persistent discharge following gastrointestinal surgery.
A comparative cross-sectional study of fistulographic findings in patients following emergency and elective abdominal surgery complicated by persistent wound discharge.
An observational cross-sectional study of postoperative fistulas involving abdominal wall collections and their communication with bowel demonstrated by fistulography.
An analytical cross-sectional study of number of previous abdominal surgeries and occurrence of complex fistulous branching on fistulography.
A comparative cross-sectional study of fistulographic morphology in postoperative fistulas following upper gastrointestinal and lower gastrointestinal surgery.
An observational cross-sectional study of contrast passage, obstruction, and associated cavities in enterocutaneous fistulas assessed by fistulography.
A comparative cross-sectional study of fistulographic characteristics in patients with low-output and high-output enterocutaneous fistulas categorized at the time of imaging.
An analytical cross-sectional study of clinical, surgical, and fistulographic factors associated with multiple bowel communications in enterocutaneous fistulas.
An observational cross-sectional study of the spectrum of fistulographic findings in enterocutaneous and postoperative fistulas at an Indian tertiary care teaching hospital.

Urinary fistulas

An observational cross-sectional study of anatomical patterns of urinary fistulas demonstrated by contrast fistulography in patients with persistent urinary leakage.
A cross-sectional study of the distribution and communication sites of urinary fistulas evaluated by conventional contrast studies in a tertiary care hospital.
A comparative cross-sectional study of fistulographic characteristics of postoperative and non-postoperative urinary fistulas.
An analytical cross-sectional study of previous pelvic surgery and anatomical site of urinary fistula demonstrated on contrast imaging.
An observational cross-sectional study of vesicocutaneous fistulas and their tract characteristics on fistulography.
A comparative cross-sectional study of fistulographic findings in vesicocutaneous and ureterocutaneous fistulas.
An analytical cross-sectional study of clinical site of urinary leakage and anatomical origin of fistulous communication demonstrated on contrast imaging.
A cross-sectional study of urinary tract communications detected among patients referred for imaging of persistent postoperative pelvic or abdominal wound discharge.
An observational cross-sectional study of tract length, calibre, branching, and associated cavities in urinary fistulas evaluated by fistulography.
A comparative cross-sectional study of fistulographic patterns in urinary fistulas following urological and non-urological pelvic surgery.
An analytical cross-sectional study of duration of urinary leakage and complexity of urinary fistulous tracts assessed at a single imaging encounter.
A comparative cross-sectional study of fistulographic findings in patients with single and multiple external openings of urinary fistulas.
An observational cross-sectional study of postoperative vesicocutaneous fistulas following urinary bladder surgery and their imaging characteristics.
A diagnostic accuracy cross-sectional study of contrast fistulography for demonstration of communication with the urinary bladder using contemporaneous cystographic or surgical findings as the reference standard.
A comparative cross-sectional study of clinical localisation and contrast imaging localisation of urinary fistulous communications.
An observational cross-sectional study of urinary fistulas associated with pelvic collections and their communication patterns on contrast imaging.
An analytical cross-sectional study of prior pelvic intervention and presence of branching urinary fistulous tracts on fistulography.
A cross-sectional study of radiographic contrast flow patterns in urinary fistulas presenting with persistent cutaneous urinary discharge.
A comparative cross-sectional study of fistulographic characteristics in urinary fistulas with and without associated postoperative collections.
An observational cross-sectional study of fistulous communication between urinary tract and surgical wounds following pelvic procedures.
An analytical cross-sectional study of external opening location and anatomical urinary tract communication in urinary fistulas.
A comparative cross-sectional study of imaging characteristics of urinary fistulas in male and female patients.
An observational cross-sectional study of technical success and common limitations of contrast fistulography in evaluating suspected urinary fistulas.
A comparative cross-sectional study of fistulographic findings and contemporaneous ultrasonographic findings in patients with suspected urinary fistulous communication.
An analytical cross-sectional study of clinical presentation, surgical history, and contrast imaging morphology of urinary fistulas in patients referred to an Indian tertiary care hospital.

Sinus tracts and chronic discharging wounds

An observational cross-sectional study of fistulographic patterns of sinus tracts in patients presenting with chronic discharging wounds.
A cross-sectional study of tract length, depth, branching, and associated cavities in chronic discharging sinuses evaluated by sinography.
A comparative cross-sectional study of sinographic findings in postoperative and non-postoperative chronic discharging wounds.
An analytical cross-sectional study of duration of wound discharge and complexity of sinus tracts demonstrated by sinography.
An observational cross-sectional study of blind-ending, branching, and communicating sinus tracts in patients undergoing contrast sinography.
A comparative cross-sectional study of sinographic morphology in single-opening and multiple-opening chronic discharging wounds.
An analytical cross-sectional study of external wound characteristics and underlying sinus tract length demonstrated on contrast sinography.
A cross-sectional study of the prevalence of communication with deeper cavities or hollow viscera among patients with chronic discharging wounds referred for sinography.
An observational cross-sectional study of postoperative sinus tracts and associated deep collections demonstrated by contrast sinography.
A comparative cross-sectional study of sinographic findings in abdominal wall and extremity chronic discharging sinuses.
An analytical cross-sectional study of previous surgery and presence of complex branching sinus tracts in chronic discharging wounds.
A comparative cross-sectional study of clinical probing findings and sinographic tract mapping in patients with chronic discharging sinuses.
An observational cross-sectional study of sinus tract morphology in chronic discharging wounds associated with suspected foreign-body reaction.
A diagnostic accuracy cross-sectional study of sinography for detecting deep cavity communication in chronic discharging wounds using contemporaneous surgical findings as the reference standard.
An analytical cross-sectional study of chronic wound location and likelihood of deep extension demonstrated on sinography.
A comparative cross-sectional study of sinographic findings in wounds with serous and purulent discharge categorized at the time of imaging.
An observational cross-sectional study of contrast retention, side branches, and terminal cavities in chronic sinus tracts assessed by sinography.
A comparative cross-sectional study of sinographic characteristics of postoperative sinus tracts following abdominal and orthopaedic procedures.
An analytical cross-sectional study of number of previous surgical interventions and complexity of postoperative sinus tracts.
An observational cross-sectional study of sinus tracts associated with chronic osteomyelitis and their extent demonstrated by contrast sinography.
A comparative cross-sectional study of sinographic findings in chronic discharging wounds with and without radiographic evidence of underlying bone involvement.
An analytical cross-sectional study of clinical signs of local inflammation and the presence of associated cavities on sinography.
An observational cross-sectional study of the spectrum of unexpected internal communications identified during sinography of chronic discharging wounds.
A comparative cross-sectional study of clinical assessment and sinographic assessment of depth and branching in chronic discharging wounds.
An analytical cross-sectional study of clinical characteristics, surgical history, and sinographic morphology of sinus tracts and chronic discharging wounds in patients presenting to an Indian tertiary care teaching hospital.

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📌 Updated for 2026–2027 MD Radiodiagnosis Fistulography admissions

The research framework was reviewed for tract mapping, internal communication, incomplete opacification, multimodality correlation, operative confirmation and practical fluoroscopic methodology.

Most projects can be completed with conventional water-soluble contrast fistulography or sinography, routine fluoroscopy, available computed tomography or magnetic resonance imaging, operative notes and standard clinical follow-up.
Research-only tract probing, additional contrast injections, computed tomography acquisitions, magnetic resonance sequences or repeat fistulograms are not required unless they are clinically indicated and specifically approved.
Publication potential is strongest when technical adequacy, tract length and branching, internal communication, associated cavities, operative concordance and reasons for incomplete opacification are recorded with reproducible definitions.

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Introduction / Synopsis
Research Question
Aim of the Study
Primary Objective
Secondary Objectives
Materials and Methods
Inclusion Criteria
Exclusion Criteria
Sample Size Calculation
Methodology
Statistical Analysis
Ethical Considerations
Review of Literature
References
Gantt Chart / Study Timeline
Patient Information Sheet
Consent Form
Data Collection Form

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Alongside fistulography in radiology protocols and synopses, support is also available for departmental presentations, journal club presentations, ethics committee presentations, and posters and oral presentations for medical conferences — for postgraduate residents, board trainees and research scholars across India and the GCC. Prepared by a practising doctor with long experience in medical publishing and thesis supervision.

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Fistulography in radiology research outside India

The topics above work as research questions anywhere — what changes is the document the institution expects, and who approves it before data collection begins. The Gulf equivalent of an Indian synopsis is the fistulography in radiology research proposal submitted to an institutional review board, and it ordinarily carries three sections an Indian synopsis does not: a Gantt chart, a budget and resources section, and a Declaration of Helsinki statement.

Board and residency programmes — country by country

Saudi Arabia — SCFHS and the Saudi Board. Residency and fellowship training under the Saudi Commission for Health Specialties includes a research project with a set timeline, and the fistulography in radiology research proposal is the document prepared at the outset and cleared by the institutional review board before recruitment starts.

United Arab Emirates — DHA, DOH Abu Dhabi and MOHAP. Residents training in Dubai, Abu Dhabi and the northern emirates prepare a fistulography in radiology research protocol for their programme and submit it for institutional review board approval before any data are collected.

Qatar — DHP (formerly QCHP) and Hamad Medical Corporation. A fistulography in radiology IRB proposal is reviewed before recruitment, with the ethics section written to the institution's own template rather than a generic one.

Bahrain — NHRA. Trainees turning fistulography in radiology research topics into a project need the proposal cleared by their institutional research and ethics committee before fieldwork begins.

Oman — OMSB. Residency programmes under the Oman Medical Specialty Board include a research component, and the fistulography in radiology research proposal is the document assessed at the start of it.

Kuwait — KIMS. A fistulography in radiology study protocol goes to the institutional committee for approval before the project begins.

Arab Board programmes across the region. The Arab Board carries its own research requirement irrespective of the host country, and the fistulography in radiology proposal follows the same structure throughout.

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Postgraduate degrees — Malaysia, the Gulf and beyond

Malaysia — MMed, the National Medical Research Register and MREC. A fistulography in radiology dissertation proposal for a Master of Medicine programme carried out in a Ministry of Health facility must be registered on the NMRR and approved by the Medical Research and Ethics Committee before the study begins, and the guidance asks for submission four to six months ahead of data collection. Every investigator on the study team registers on the NMRR as well, so the methodology, ethics and team sections are written in far more detail than an Indian synopsis requires.

PhD and Master's candidates elsewhere. University programmes generally require a full fistulography in radiology research proposal of roughly 6,000 to 10,000 words, with an extended literature review, a theoretical framework and a detailed methodology chapter.

PhD and MMed proposals are written individually by a medical doctor and revised until the supervisor accepts them. They are not produced by the automated protocol generator.

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🔥 Trending research areas in Fistulography for 2026–27

Current fistula imaging research increasingly combines direct tract opacification with cross-sectional anatomy rather than treating a conventional fistulogram as a complete map by itself.

Computed tomography fistulography and sinography: cross-sectional imaging after tract opacification can demonstrate deep extension, collections and relationships to adjacent organs that projection fistulography cannot show reliably.
Magnetic resonance mapping of perianal fistulas: sphincter involvement, supralevator extension, abscesses and secondary branches are clinically important because conventional fistulography does not display the sphincter complex adequately.
Multimodality and operative concordance: comparing conventional tract opacification with computed tomography, magnetic resonance imaging or operative findings helps identify where apparently simple fistulas are incompletely mapped.
Technique-related failure analysis: cannulation difficulty, tract debris, contrast leakage, inadequate filling and false passage formation are useful quality variables because they directly influence whether the full fistulous communication becomes visible.

Protocol and synopsis guidance

What a Fistulography protocol must contain

A fistulography protocol must define the clinical indication, fistula or sinus category, method of identifying and cannulating the external opening, contrast medium, injection technique, fluoroscopic acquisition, and the criteria used for tract length, calibre, branching, cavities, blind-ending appearance and internal communication. It should also state whether the primary unit of analysis is the patient, external opening or individual tract because one patient may have several openings, branches or communicating channels.

Technical adequacy must be defined before interpretation. Pus, debris, oedema, a narrow internal opening, external compression or insufficient contrast filling can prevent the primary tract or secondary extensions from opacifying. Conversely, forceful injection can create extravasation or a false passage. The protocol should therefore specify when an examination is considered adequately opacified, technically limited or indeterminate rather than automatically calling every non-opacified communication absent.

The reference standard must match the anatomical question. Operative findings can confirm a surgically explored internal opening or tract, while computed tomography and magnetic resonance imaging are better suited to associated collections and surrounding soft-tissue relationships. In perianal disease, conventional fistulography should not be used to classify sphincter involvement unless that relationship is demonstrated by an appropriate cross-sectional or operative reference.

Fistulography synopsis versus Fistulography protocol

A fistulography synopsis can state that the project will study tract anatomy, internal communication, branching, postoperative fistulas or chronic discharging sinuses. The full protocol must convert those aims into reproducible operational rules. It should specify how tract length is measured, what constitutes a side branch or cavity, how multiple external openings are linked to one patient, and whether a blind-ending appearance is accepted as final or labelled technically indeterminate when opacification is incomplete.

For diagnostic or operative-correlation studies, the protocol should state exactly which patients receive the reference investigation and whether imaging-negative cases are also verified. If only patients proceeding to surgery are analysed, the sample is enriched for clinically important fistulas and cannot automatically provide unbiased sensitivity or specificity for the entire referred population.

Sample size and statistical analysis

Sample size should be based on the primary endpoint. A descriptive study of fistula patterns needs an expected proportion and desired precision; a comparison of primary and recurrent fistulas needs an expected between-group difference; and a diagnostic-accuracy study needs enough patients with and without the target communication or anatomical feature to estimate performance with useful confidence intervals.

The patient-versus-tract denominator must be fixed before analysis. Several tracts, branches or external openings from one patient are correlated observations. Entering each as though it came from a different participant artificially increases the effective sample size and produces confidence intervals that are too narrow. The protocol should either use one patient-level summary, select a predefined index tract, or use clustered methods when tract-level analysis is essential.

Agreement studies should analyse concordance rather than call two-reader similarity diagnostic accuracy. For studies comparing tract length or other continuous measurements between modalities, agreement methods are preferable to correlation alone. Diagnostic-accuracy measures require a prespecified independent reference standard and a plan for the imaging-negative arm so that verification bias does not determine which cases receive confirmation.

Frequently Asked Questions – Fistulography Thesis Topics In Radiology (2026–27)

1. How do I choose a feasible Fistulography thesis topic for 2026 admission?

Start with the actual number and type of clinically indicated fistulograms or sinograms performed in the department and check whether operative findings, computed tomography, magnetic resonance imaging or follow-up are available for the intended question. A focused project on tract morphology, branching, internal communication, postoperative fistulas, technical limitations or imaging-operative concordance is usually more feasible than a broad study that requires every patient to undergo several additional modalities.

2. Which study designs are accepted for a Fistulography thesis?

Workable designs include observational and analytical cross-sectional studies, comparative studies, retrospective or prospective cohorts, agreement studies and diagnostic-accuracy studies where an appropriate reference standard exists. The design should follow the endpoint. A spectrum study of tract morphology can be cross-sectional, whereas recurrence or healing after intervention requires follow-up. Comparison between two readers measures agreement, while comparison with surgery or another independent reference can address diagnostic performance.

3. What should I settle with my guide before finalising a Fistulography topic?

Settle the fistula category, primary endpoint, contrast technique, unit of analysis, definition of technical adequacy, method of measuring tract length and branching, reference standard and availability of operative or cross-sectional imaging correlation. Also decide how multiple external openings, several tracts in one patient, incomplete opacification and examinations terminated because of pain or technical difficulty will be classified.

4. Can conventional Fistulography fully map a complex perianal fistula?

Not reliably. Conventional fistulography directly shows the contrast-filled tract but does not display the anal sphincter complex, levator anatomy or surrounding soft tissues well, and secondary extensions may remain invisible when they contain debris or fail to fill. It can therefore document tract opacification but should not be treated as a complete preoperative map of complex perianal disease when the research question depends on sphincter relationship, supralevator extension or occult abscesses.

5. What is the difference between a Fistulography synopsis and protocol?

The synopsis is the concise institutional submission describing the research question, objectives and proposed methods. The protocol is the operational document that specifies tract cannulation, contrast injection, fluoroscopic acquisition, measurement rules, technical adequacy, handling of multiple tracts, reference standards, reader blinding, missing data, complications and the statistical method corresponding to each objective.

6. What ethics issues are important in a Fistulography thesis?

Fistulography and sinography involve instrumentation of an abnormal tract, iodinated contrast and ionising radiation, so research should preferably observe examinations already clinically indicated rather than add repeat injections, extra fluoroscopic acquisitions, computed tomography scans or other imaging solely for data collection. Prospective participants should provide informed consent. Where children are included, guardian consent and age-appropriate assent from about seven years should be addressed. Retrospective PACS and record-based studies may qualify for a consent waiver under institutional ethics requirements.

Any additional contrast administration, research-only venepuncture or extra radiation exposure must be separately justified and consented, with a stated blood volume limit if research blood sampling is genuinely required. Anonymisation should remove identifiers from exported datasets, DICOM headers and reconstructed images that can retain identifying information. Separate consent is required for identifiable photographs or video. The protocol should name the clinical escalation route for an unexpected bowel or urinary communication, deep abscess, complex perianal extension, osteomyelitis or another clinically significant finding so that the reporting radiologist and treating team can act on it promptly.

7. What is the biggest methodological error in a Fistulography thesis?

The sharpest error is assuming that an unopacified branch or internal communication is truly absent. Debris, pus, oedema, a narrow opening, external compression or inadequate filling can stop contrast before the complete tract is demonstrated, while excessive pressure can create extravasation or a false passage. A fistulogram that appears blind-ending may therefore represent a technically incomplete examination rather than true anatomy. The protocol should distinguish complete opacification, incomplete opacification and indeterminate studies before calculating prevalence, concordance or diagnostic accuracy.

8. How is a Fistulography MD synopsis different from a PhD or overseas research proposal?

An MD synopsis is usually built around a focused question that can be answered during residency from clinically indicated fistulography, cross-sectional imaging and available operative records. A PhD proposal normally requires a broader programme of work, a more explicit knowledge gap and greater methodological depth. Beyond the Indian MD pathway, research requirements differ by programme. The Saudi Board and SCFHS pathway includes a mandatory board research project, while Arab Board of Health Specializations programmes and DHP, DHA, DOH and MOHAP-linked training programmes may require research, audit or other scholarly activity according to the relevant speciality and institution. The applicable board and institutional requirements should therefore be checked before using an Indian MD synopsis unchanged in another training pathway.

9. When should I register a Fistulography thesis?

Register after the guide has confirmed the question, expected case volume, fistula category, technique, primary endpoint, unit of analysis and reference standard, but before prospective recruitment or research-specific data collection begins. For retrospective work, fix the study period, adequacy criteria and analysis plan before reviewing outcomes so that cases are not selected according to operative findings or another result already known to the investigator.

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