MCh · DrNB
50 MCh Cardiothoracic and Vascular Surgery Thesis Topics
Academic session 2026-2027 · 50 topics
This page lists 50 cardiothoracic and vascular surgery thesis topics for MCh and DrNB candidates in India for the 2026-2027 academic session. Cardiac surgical research within a residency is defined by the perioperative window: everything that can realistically be measured happens between induction and discharge, or in the first thirty days.
The cardiothoracic and vascular surgery thesis topics below work within that. They cover coronary artery bypass surgery, valve procedures including rheumatic disease, congenital cardiac repair, thoracic procedures, vascular surgery, cardiopulmonary bypass and myocardial protection, postoperative intensive care and wound outcomes.
Click any topic to open it in the protocol generator with the title already filled in.
- A cross-sectional study of the preoperative profile of patients undergoing coronary artery bypass graftingGet protocol
- An observational study of perioperative outcome following off pump coronary artery bypass surgeryGet protocol
- A comparative study of early outcome between on pump and off pump coronary revascularisationGet protocol
- A study of the incidence and determinants of postoperative atrial fibrillation after cardiac surgeryGet protocol
- An observational study of acute kidney injury following coronary artery bypass surgeryGet protocol
- A study of blood and blood product utilisation during cardiac surgeryGet protocol
- An observational study of the duration of mechanical ventilation and its determinants after cardiac surgeryGet protocol
- A cross-sectional study of the incidence and risk factors of sternal wound infectionGet protocol
- A study of postoperative pain scores following two analgesic protocols after sternotomyGet protocol
- An observational study of the length of intensive care stay and its determinants after cardiac surgeryGet protocol
- Evaluation of a validated operative risk score against observed mortality in a cardiac surgical populationGet protocol
- A cross-sectional study of the clinical and echocardiographic profile of patients undergoing valve surgeryGet protocol
- An observational study of early outcome following mitral valve replacement for rheumatic diseaseGet protocol
- A comparative study of perioperative outcome between mitral valve repair and replacementGet protocol
- A study of the echocardiographic findings before and after aortic valve replacementGet protocol
- An observational study of anticoagulation control following mechanical valve replacementGet protocol
- A cross-sectional study of the profile of patients undergoing surgery for infective endocarditisGet protocol
- A study of pulmonary hypertension and its influence on outcome after valve surgeryGet protocol
- A cross-sectional study of the spectrum of congenital lesions operated at a cardiac surgical unitGet protocol
- An observational study of the early outcome following surgical repair of ventricular septal defectGet protocol
- A study of the perioperative course of children undergoing total correction of tetralogy of FallotGet protocol
- An observational study of the duration of ventilation and intensive care stay after paediatric cardiac surgeryGet protocol
- A cross-sectional study of nutritional status before and after congenital cardiac surgeryGet protocol
- A study of the outcome of surgery for congenital heart disease presenting beyond infancyGet protocol
- An observational study of low cardiac output syndrome following paediatric cardiac surgeryGet protocol
- A cross-sectional study of the indications and outcome of thoracotomy at a cardiothoracic unitGet protocol
- An observational study of the management and outcome of patients with empyema thoracisGet protocol
- A study of the surgical management and outcome of patients with lung malignancyGet protocol
- An observational study of air leak duration and its determinants following pulmonary resectionGet protocol
- A cross-sectional study of the clinical profile of patients undergoing surgery for mediastinal massesGet protocol
- A study of the management and outcome of patients presenting with chest traumaGet protocol
- An observational study of the outcome of surgical management of bronchiectasisGet protocol
- A cross-sectional study of the vascular caseload managed within a cardiothoracic and vascular surgical unitGet protocol
- An observational study of limb salvage and amputation rates following vascular interventionGet protocol
- A study of the outcome of arteriovenous fistula creation for haemodialysis accessGet protocol
- An observational study of primary patency of dialysis access at three monthsGet protocol
- A cross-sectional study of the clinical profile and management of patients with aortic aneurysmGet protocol
- A study of the management and outcome of patients presenting with acute limb ischaemiaGet protocol
- An observational study of the surgical management of varicose veins and early outcomeGet protocol
- A cross-sectional study of the clinical profile of patients with diabetic foot requiring vascular assessmentGet protocol
- A study of the management and outcome of patients with vascular traumaGet protocol
- A cross-sectional study of cardiopulmonary bypass parameters and their association with outcomeGet protocol
- An observational study of myocardial protection strategy and postoperative cardiac enzyme releaseGet protocol
- A study of haemodilution and transfusion requirement during cardiopulmonary bypassGet protocol
- An observational study of neurological complications following cardiopulmonary bypassGet protocol
- A study of the temperature management strategy and its association with postoperative outcomeGet protocol
- A cross-sectional study of the incidence and management of postoperative bleeding requiring re-explorationGet protocol
- An observational study of the delirium incidence following cardiac surgery in elderly patientsGet protocol
- A study of the outcome of early mobilisation following cardiac surgeryGet protocol
- A cross-sectional study of quality of life before and three months after cardiac surgeryGet protocol
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What outcomes are realistic in a cardiac surgical thesis?
Perioperative and thirty day outcomes: cardiopulmonary bypass and cross clamp times, inotrope requirement and duration, ventilation hours, intensive care and hospital stay, arrhythmia, renal dysfunction, sternal wound infection, transfusion requirement and thirty day mortality. Graft patency, valve durability and long term survival need years and belong to registry work.
Which risk scores are used in cardiac surgical research?
The European System for Cardiac Operative Risk Evaluation and the Society of Thoracic Surgeons risk score are the standard instruments, and validating a score's predicted mortality against observed outcome in an Indian population is a well regarded design. Name the version used, since these scores have been revised and results from different versions are not comparable.
What sample size is realistic in cardiothoracic surgery?
A unit performing several hundred cases a year can support one to three hundred participants over eighteen months for a general perioperative study. Congenital, thoracic and vascular subsets accumulate far more slowly, and studies restricted to a single lesion or procedure should be planned as descriptive series covering every case during the period.
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.