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.



Vaghela U, Rabinowicz S, Bratsos P, et al., 2021, REDASA: A Secure Continually Updating Web-Source Processing Pipeline supporting a REaltime DAta Synthesis and Analysis of Scientific Literature, Journal of Medical Internet Research, ISSN:1438-8871

Lam K, Purkayastha S, Kinross JM, 2021, The ethical digital surgeon, Journal of Medical Internet Research, ISSN:1438-8871

Moussa O, Ardissino M, Tang A, et al., 2021, Long-term cerebrovascular outcomes after bariatric surgery: A nationwide cohort study, Clinical Neurology and Neurosurgery, Vol:203, ISSN:0303-8467

Russell VR, Ibrahim M, Phillips G, et al., 2021, Imperforate hymen mimicking acute appendicitis in an adolescent woman: a rare presentation., Bmj Case Rep, Vol:14

Lam K, Iqbal F, Purkayastha S, et al., 2021, A protocol for a Delphi study investigating the ethical and data governance issues of artificial intelligence in surgery, Jmir Research Protocols, Vol:10, ISSN:1929-0748

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