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.



Hameed S, Salem V, Alessimii H, et al., 2020, Imperial Satiety Protocol: A new non-surgical weight-loss programme, delivered in a health care setting, produces improved clinical outcomes for people with obesity, Diabetes Obesity & Metabolism, ISSN:1462-8902

Moussa O, Zakeri R, Arhi C, et al., 2020, Impact of COVID-19 on Obesity Management Services in the United Kingdom (The COMS-UK study)., Obes Surg

Lam K, Clarke J, Purkayastha S, et al., 2020, Uptake and accessibility of surgical robotics in England, International Journal of Medical Robotics and Computer Assisted Surgery, ISSN:1478-5951

Evans-Harvey K, Erridge S, Karamchandani U, et al., 2020, Comparison of surgeon gaze behaviour against objective skill assessment in laparoscopic cholecystectomy-a prospective cohort study., Int J Surg, Vol:82, Pages:149-155

Denning M, Goh ET, Scott A, et al., 2020, What has been the impact of Covid-19 on Safety Culture? A case study from a large metropolitan teaching hospital, International Journal of Environmental Research and Public Health, ISSN:1660-4601

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