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.



Lam K, Nazarian S, Gadi N, et al., 2022, Patient perspectives on surgeon-specific outcome reports in bariatric surgery, Surgery for Obesity and Related Diseases, ISSN:1550-7289

Hillier M, Dani M, Fertleman M, et al., 2022, Weight loss surgery in the elderly: is this the future, Clinics in Surgery, Vol:7, ISSN:2474-1647, Pages:1-5

Lam K, Chen J, Wang Z, et al., 2022, Machine learning for technical skill assessment in surgery: a systematic review, Npj Digital Medicine, Vol:5, ISSN:2398-6352

Moussa O, Ardissino M, Vincent M, et al., 2022, Long-term cardiovascular outcomes after orlistat therapy in patients with obesity: a nationwide, propensity score matched cohort study, European Heart Journal - Cardiovascular Pharmacotherapy, Vol:8, ISSN:2055-6845, Pages:179-186


Kenkre JS, Malallah K, Davies I, et al., 2022, Patients with liver fibrosis may be less likely to remit from type 2 diabetes following bariatric surgery, WILEY, ISSN:0742-3071

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