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.


Erridge S, Sodergren MH, Darzi A, et al., 2016, Natural Orifice Translumenal Endoscopic Surgery: Review of Its Applications in Bariatric Procedures, Obesity Surgery, Vol:26, ISSN:0960-8923, Pages:422-428

Wingfield LR, Kulendran M, Laws G, et al., 2016, Change in Sexual Dysfunction Following Bariatric Surgery, Obesity Surgery, Vol:26, ISSN:0960-8923, Pages:387-394

Penney NC, Kinross J, Newton RC, et al., 2015, The role of bile acids in reducing the metabolic complications of obesity after bariatric surgery: a systematic review, International Journal of Obesity, Vol:39, ISSN:0307-0565, Pages:1565-1574

Perera AP, Howell AM, Sodergren MH, et al., 2015, A pilot randomised controlled trial evaluating postoperative packing of the perianal abscess, Langenbecks Archives of Surgery, Vol:400, ISSN:1435-2443, Pages:267-271

Mason SE, Scott AJ, Mayer E, et al., 2015, Patient-related risk factors for urinary retention following ambulatory general surgery: a systematic review and meta-analysis., Am J Surg

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