Imperial College London


Faculty of MedicineDepartment of Surgery & Cancer

Clinical Senior Lecturer in Bariatric Surgery



+44 (0)20 3312 6962s.purkayastha Website




1022Queen Elizabeth the Queen Mother Wing (QEQM)St Mary's Campus





Sanjay Purkayastha is a General Surgeon with a specialist interest in Bariatric & Upper GI Surgery.

His research interests are varied and include surgical education especially digital mobile technologies, clinical research in Bariatric and Metabolic Surgery, assessing the health of heathcare organisations, single port laparoscopic surgery and surgical evidence synthesis.



Scott AJ, Mason SE, Langdon AJ, et al., Prospective Risk Factor Analysis for the Development of Post-Operative Urinary Retention Following Ambulatory General Surgery, World Journal of Surgery, ISSN:1432-2323


Tilney HS, Lovegrove R, Heriot AG, et al., Comparison of short-term outcomes of laparoscopic versus open approaches to ileal pouch surgery., ASGBI

Reese, G E, Purkayastha, et al., Strictureplasty versus resection in small bowel Crohn’s Disease: an evaluation of short term outcomes and recurrence., European Society of Coloproctology

Purkayastha S, Fazio VW, Sagap I, et al., Impact of anastomotic leak on survival, complications and function following proctosigmoidectomy for rectal cancer., Association of Coloproctology of Great Britain & Ireland

Simillis, C, Purkayastha, et al., Outcomes comparing conventional end-to-end anastomosis versus other anastomotic configurations after resection in Crohn’s disease., European Society of Coloproctology

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