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Medical Thesis Topics

MCh · DrNB

50 MCh Gastrointestinal Surgery Thesis Topics

Academic session 2026-2027  · 50 topics

This page lists 50 gastrointestinal surgery thesis topics for MCh and DrNB candidates in India for the 2026-2027 academic session. Surgical gastroenterology handles the complex end of abdominal surgery, and its research sits where operative decision making meets imaging and endoscopy rather than in routine general surgical territory.

The gastrointestinal surgery thesis topics below reflect that. They cover hepatobiliary and pancreatic surgery, portal hypertension, colorectal and inflammatory bowel surgery, oesophageal and gastric procedures, bariatric surgery, minimal access techniques, intestinal failure and perioperative outcome in major abdominal surgery.

Click any topic to open it in the protocol generator with the title already filled in.

  1. A cross-sectional study of the indications and outcome of hepatic resection at a tertiary care centreGet protocol
  2. An observational study of perioperative complications following major liver resectionGet protocol
  3. A study of blood loss and transfusion requirement during hepatic surgeryGet protocol
  4. An observational study of postoperative liver dysfunction following major hepatectomyGet protocol
  5. A cross-sectional study of the clinical profile of patients undergoing surgery for liver abscessGet protocol
  6. A study of the surgical management and outcome of patients with hydatid disease of the liverGet protocol
  7. A cross-sectional study of the indications and outcome of pancreaticoduodenectomyGet protocol
  8. An observational study of postoperative pancreatic fistula and its determinantsGet protocol
  9. A study of delayed gastric emptying following pancreatic resectionGet protocol
  10. An observational study of the clinical profile and management of patients with chronic pancreatitisGet protocol
  11. A study of the outcome of surgical drainage procedures in chronic pancreatitisGet protocol
  12. An observational study of the management and outcome of patients with pancreatic pseudocystGet protocol
  13. A cross-sectional study of the surgical management of patients with severe acute pancreatitisGet protocol
  14. A cross-sectional study of the clinical profile of patients with obstructive jaundiceGet protocol
  15. An observational study of the outcome of biliary bypass procedures for benign and malignant obstructionGet protocol
  16. A study of the management and outcome of patients with bile duct injuryGet protocol
  17. An observational study of the clinical profile of patients with choledochal cyst undergoing surgeryGet protocol
  18. A cross-sectional study of the surgical management of patients with gallbladder malignancyGet protocol
  19. A cross-sectional study of the clinical and endoscopic profile of patients with portal hypertensionGet protocol
  20. An observational study of the outcome of surgical shunt procedures for portal hypertensionGet protocol
  21. A study of the management and outcome of patients with extrahepatic portal venous obstructionGet protocol
  22. A cross-sectional study of the indications and outcome of splenectomy in portal hypertensionGet protocol
  23. A cross-sectional study of the clinical profile of patients undergoing colorectal resectionGet protocol
  24. An observational study of anastomotic leak and its determinants following colorectal anastomosisGet protocol
  25. A study of the outcome of stoma creation and reversal in colorectal surgeryGet protocol
  26. An observational study of the surgical management of patients with inflammatory bowel diseaseGet protocol
  27. A cross-sectional study of the clinical profile of patients undergoing surgery for intestinal tuberculosisGet protocol
  28. A study of the management and outcome of patients with enterocutaneous fistulaGet protocol
  29. An observational study of the outcome of surgery for complex anal fistulaGet protocol
  30. A cross-sectional study of the clinical profile of patients undergoing oesophageal surgeryGet protocol
  31. An observational study of perioperative complications following oesophagectomyGet protocol
  32. A study of the management and outcome of patients with corrosive oesophageal strictureGet protocol
  33. An observational study of the outcome of surgery for achalasia cardiaGet protocol
  34. A cross-sectional study of the surgical management of patients with gastro-oesophageal reflux diseaseGet protocol
  35. A study of the outcome of gastrectomy for benign and malignant gastric diseaseGet protocol
  36. A cross-sectional study of the preoperative profile of patients undergoing bariatric surgeryGet protocol
  37. An observational study of weight loss and metabolic change at six months after bariatric surgeryGet protocol
  38. A study of the perioperative complications following bariatric proceduresGet protocol
  39. An observational study of nutritional deficiency following bariatric surgeryGet protocol
  40. A cross-sectional study of the indications and outcome of laparoscopic procedures in gastrointestinal surgeryGet protocol
  41. A comparative study of perioperative outcome between laparoscopic and open major abdominal surgeryGet protocol
  42. An observational study of the conversion rate and its determinants in laparoscopic gastrointestinal proceduresGet protocol
  43. A study of the learning curve parameters for a defined minimal access procedureGet protocol
  44. A cross-sectional study of the clinical profile of patients with short bowel syndromeGet protocol
  45. An observational study of the indications and complications of parenteral nutrition in surgical patientsGet protocol
  46. A study of nutritional status and its association with outcome after major abdominal surgeryGet protocol
  47. A cross-sectional study of complications graded by an established classification after major gastrointestinal surgeryGet protocol
  48. An observational study of enhanced recovery protocol implementation and its outcomeGet protocol
  49. A study of unplanned reoperation within thirty days of major abdominal surgeryGet protocol
  50. An observational study of the length of hospital stay and its determinants after gastrointestinal surgeryGet protocol

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Choosing a MCh Gastrointestinal Surgery thesis topic

What distinguishes a gastrointestinal surgery thesis from a general surgery one?

Complexity of the procedure and of the decision. Cholecystectomy and appendicectomy belong to general surgery; pancreaticoduodenectomy, hepatic resection, portal decompression and complex reoperative abdominal surgery do not. A topic that a general surgical resident could have completed is usually the wrong choice for a superspecialty thesis, and examiners test this.

What outcomes are realistic in a gastrointestinal surgery thesis?

Operative time and blood loss, complications graded on an established classification, anastomotic leak and pancreatic fistula rates, length of stay, thirty day morbidity and mortality, time to oral intake and readmission. Long term function, recurrence and survival need years and belong outside a residency protocol.

What sample size is realistic in this specialty?

Volumes are modest because the procedures are major. A unit performing several major hepatobiliary or pancreatic resections a month may accumulate only fifty to a hundred cases over the study period. Descriptive series covering every case operated are usually the honest design, and the theatre register should be reviewed before any comparative study is proposed.

Thesis and protocol questions

How is a thesis topic different from a thesis protocol?

The topic is the title — the question a study sets out to answer, together with the population and the design. The protocol is the full document built around it: background, review of literature, aims and objectives, inclusion and exclusion criteria, sample size calculation, methodology, statistical plan, ethics considerations, consent documents and references. A topic is agreed with a guide first; the protocol is written afterwards and submitted to the institutional ethics committee.

When does a postgraduate thesis have to be submitted?

For most Indian postgraduate programmes the protocol is submitted within the first six months of joining, and the completed thesis is submitted at least six months before the final examination. Exact deadlines are set by the university, so the departmental circular for the current session takes precedence over any general timeline.

How is sample size decided for a postgraduate thesis?

Sample size follows from the primary objective, not the other way round. A prevalence study is powered from an expected proportion and an acceptable margin of error; a comparative study is powered from the expected difference between groups, the standard deviation, alpha and desired power. The figure should then be checked against the institution's actual case load for the study period, because a statistically ideal sample that cannot be recruited in the time available is not a workable plan.

Does a thesis topic need ethics committee approval?

Yes. Every postgraduate thesis involving human participants, human data or human samples requires clearance from the institutional ethics committee before data collection begins. Approval is granted on the protocol rather than on the title, and the submission usually includes the protocol, the participant information sheet and the consent form in English and in the local language.

What makes a topic realistic for a three-year postgraduate programme?

A workable topic can be completed at a single centre, with equipment and investigations that are already available in routine practice, within roughly eighteen months of data collection. Topics that depend on external funding, specialised assays, multicentre coordination or long follow-up tend to stall. Choosing a condition the department already sees in volume matters more than choosing a novel one.

Can a thesis be published as a research paper afterwards?

Yes, and it is generally expected. A thesis is usually condensed into a paper of around three to four thousand words, restructured into the standard introduction, methods, results and discussion format, with the review of literature shortened considerably. Journals differ in their requirements, and the ethics approval number from the original thesis is normally cited in the methods section.

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