Presently, gastrointestinal surgeon, co-chairman, and teaching coordinator in the Department of Surgical Gastroenterology at Sir Ganga Ram Hospital. Academic endeavors include published works in several book chapters and research articles in reputable national and international peer-reviewed journals. Most notably, a contribution in "Abdominal Trauma, Peritoneum, and Retroperitoneum" is contained in the GI Surgery Library published by the Oxford University Press.
1. Yadav Amitabh, 'Retroperitoneum: Anatomy and operative approaches including minimal access', in Aditya J. Nanavati, and Sanjay Nagral (eds), Abdominal Trauma, Peritoneum, and Retroperitoneum (Oxford, 2022; online edn, Oxford Academic, 1 Oct. 2022),
https://doi.org/10.1093/med/9780192862433.003.0013
2. Yadav A, Nundy S. Case series of non-ampullary duodenal adenomas. Annals of Medicine and Surgery. 2021;69:102730.
https://doi.org/10.1016/j.amsu.2021.102730
3. Mesenteric ischemia: The United States is different from India, Current Medicine Research and Practice, Volume 6, Issue 4, 2016, Pages 169-170, ISSN 2352-0817
https://doi.org/10.1016/j.cmrp.2016.07.001
4. Yadav A, Krige J, Jonas E. Pancreatic Trauma. In: Samiran Nundy (Editor). Current Pancreatic Surgery. Publisher Kontentworx, New Delhi, 2019.
5. Yadav A, Nundy S. Ethics in Surgery. In: Sanjiv Haribhakti (Ed). Textbook of Gastrointestinal Surgery. 3rd ed. Paras Medical Publishers; 2019:p.1836-39.
6. Yadav A, Ray S, Nundy S. Ectopic gall bladder: A case report. SAGE Open Med Case Rep. 2021 Oct 15;9:2050313X211036777. doi: 10.1177/2050313X211036777. PMID: 34671475; PMCID: PMC8521407.
7. Yadav A, Jain NB, Ray S, Nundy S. ectopic gall bladder: A review. ijhs. 2022 Jun 30;3247–53.
8. Yadav A, Nundy S. Dealing with low rectal anastomotic leaks. Indian Journal of Colo-Rectal Surgery. 2019 May 1;2(2):50-1.
9. Bhavsar R, Yadav A, Nundy S. Portal cavernoma cholangiopathy: Update and recommendations on diagnosis and management. Ann Hepatobiliary Pancreat Surg. 2022 Nov 30;26(4):298-307. doi:
10.14701/ahbps.22-029. Epub 2022 Sep 28. PMID: 36168271; PMCID: PMC9721250. 10. Jena SS, Ray S, Das SA, Mehta NN, Yadav A, Nundy S. Rare Pseudopapillary neoplasm of the pancreas: a 10-year experience. Surgery Research and Practice. 2021;2021.
11. Jena SS, Obili RC, Yadav A, Das SA, Nundy S. Native oesophageal mucocoele: a rare complication of double exclusion of oesophagus. International Journal of Surgery Case Reports. 2021 Nov 1;88:106496.
12. Solanki S, Jena SS, Das SA, Yadav A, Mehta NN, Nundy S. Isolated ectopic jejunal varices in a patient with extrahepatic portal vein obstruction–A case report. International Journal of Surgery Case Reports. 2021 Sep 1;86:106299.
13. Das S, Yadav A, Nundy S. Bouveret’s Syndrome: A Report of Two Cases and Review of the Literature. JCR. 2019 Jan 30;19–24.
http://dx.doi.org/10.17659/01.2019.0006
14. Mistry JH, Yadav A, Nundy S. Ampullary carcinoma in a patient with agenesis of the dorsal pancreas: a case report. Indian J Surg. 2015 Apr;77(Suppl 1):32-4. doi: 11.1007/s12262-014-1082-x. Epub 2014 May 8. PMID: 25972636; PMCID: PMC4425740.
15. Mitra A, Yadav A, Mehta N, Varma V, Kumaran V, Nundy S. Complicated Perianal Sepsis. Indian J Surg. 2015 Dec;77(Suppl 3):769-73. doi: 10.1007/s12262-013-0997-y. Epub 2013 Nov 5. PMID: 27011454; PMCID: PMC4775593.
16. Chopra R, Yadav A, Nundy S. Progressive Perianal Necrotising Soft Tissue Infection in Decompensated Chronic Liver Disease: A Case Report. HPB. 2022;24:S215.
17. Ray S, Das S, Mangla V, Yadav A, Chugh P, Mehta NN, Nundy S. Prediction of outcome of Patients Undergoing Whipple’s Pancreatoduodenectomy before Operation: A Prospective Validation of a Novel Risk Scoring System. Journal of Surgery and Research. 2021;4(2):229-40.
18. Ray S, Tiwari P, Yadav A, Sahni P, Singh AN, Nundy S. Assessment of Their Training in Surgical Gastroenterology by Residents from Two Major Institutes in India. Indian Journal of Surgery. 2022 Apr;84(Suppl 1):89-98.
19. Ray S, Yadav A, Jain S, Nundy S. Isolated antro-pyloric metastatic mass from colonic carcinoma: A rare case presentation. Ann Med Surg (Lond). 2018 Nov 22;36:235-238. doi: 10.1016/j.amsu.2018.11.004. PMID: 30519465; PMCID: PMC6260385.
20. Samrat Ray, Suvendu S. Jena, Amitabh Yadav, Sri Aurobindo Prasad Das, Naimish N. Mehta, Samiran Nundy, "Whipple’s Pancreatoduodenectomy in the Background of Chronic Liver Disease (CLD): An Institutional Experience", Surgery Research and Practice, vol. 2021, Article ID 4848380, 5 pages, 2021.
https://doi.org/10.1155/2021/4848380
21. Sharma P, Kochar P, Yadav A. Abstract No. 703 CT-guided percutaneous drainage in necrotizing pancreatitis—highly successful in appropriately selected patients. Journal of Vascular and Interventional Radiology. 2018 Apr;29(4):S289.
22. Ray S, Mehta NN, Mehrotra S, Lalwani S, Mangla V, Yadav A, Nundy S. Effect of informed consent on patients undergoing gastrointestinal surgery and living donor liver transplantation and on their relatives in a developing country. BJS Open. 2018 Feb 7;2(1):34-39. doi: 10.1002/bjs5.37. PMID: 29951627; PMCID: PMC5989942.
23. Das S, Ray S, Mangla V, Mehrotra S, Lalwani S, Mehta NN, Yadav A, Nundy S. Post pancreaticoduodenectomy hemorrhage: A retrospective analysis of incidence, risk factors and outcome. Saudi J Gastroenterol. 2020 Aug 18;26(6):337–43. doi: 10.4103/sjg.SJG_145_20. Epub ahead of print. PMID: 32811797; PMCID: PMC8019141.
24. Ray S, Mehta NN, Mangla V, Lalwani S, Mehrotra S, Chugh P, Yadav A, Nundy S. A Comparison Between the Comprehensive Complication Index and the Clavien-Dindo Grading as a Measure of Postoperative Outcome in Patients Undergoing Gastrointestinal Surgery-A Prospective Study. J Surg Res. 2019 Dec;244:417-424. doi: 10.1016/j.jss.2019.06.093. Epub 2019 Jul 18. PMID: 31326707.
25. Parray AM, Mwendwa P, Mehrotra S, Mangla V, Lalwani S, Mehta N, Yadav A, Nundy S. A Review of 2255 Emergency Abdominal Operations Performed over 17 years (1996-2013) in a Gastrointestinal Surgery Unit in India. Indian J Surg. 2018 Jun;80(3):221-226. doi: 10.1007/s12262-016-1567-x. Epub 2016 Dec 14. PMID: 29973751; PMCID: PMC6014947.
26. Bojanapu S, Nagar A, Mehrotra S, Mangla V, Lalwani S, Yadav A, Mehta N, Nundy S. Penoscrotal swelling-an unusual occurrence in a patient with an anastomotic leak following ileostomy closure. J Surg Case Rep. 2018 Aug 6;2018(8):rjy197. doi: 10.1093/jscr/rjy197. PMID: 30093995; PMCID: PMC6077793.
27. Bhat, B. K., Lalwani, S., Mehrotra, S., Mangla, V., Yadav, A., Mehta, N., & Nundy, S. (2018). The management of benign biliary strictures. Bhutan Health Journal, 4(1), 60–67.
https://doi.org/10.47811/bhj.59
28. Nagar A, Mehrotra S, Yadav A, Mangla V, Lalwani S, Mehta N, Nundy S. Distal Bowel Re-feeding in Patients with Proximal Jejunostomy. J Gastrointest Surg. 2018 Jul;22(7):1251-1257. doi: 10.1007/s11605-018-3752-7. Epub 2018 May 18. PMID: 29777456.
29. Jena SS, Obili RCR, Das SAP, Ray S, Yadav A, Mehta NN, Nundy S. Intestinal obstruction in a tertiary care centre in India: Are the differences with the western experience becoming less? Ann Med Surg (Lond). 2021 Dec 2;72:103125. doi: 10.1016/j.amsu.2021.103125. PMID: 34925821; PMCID: PMC8648950.
30. Nagaraja R, Rao P, Kumaran V, Yadav A, Kapoor S, Varma V, Mehta N, Nundy S. Acute Mesenteric Ischaemia-An Indian Perspective. Indian J Surg. 2015 Dec;77(Suppl 3):843-9. doi: 10.1007/s12262-014-1034-5. Epub 2014 Jan 22. PMID: 27011468; PMCID: PMC4775561.
31. Ray S, Bhat BK, Yadav A, Nundy S. Isolated dilatation of the cystic duct-Type VI choledochal cyst: a rare case presentation and review of the literature. J Surg Case Rep. 2017 Apr 4;2017(4):rjx067. doi: 10.1093/jscr/rjx067. PMID: 28458872; PMCID: PMC5400498.
32. Govindasamy M, Srinivasan T, Varma V, Mehta N, Yadav A, Kumaran V, Nundy S. Biliary tract tuberculosis--a diagnostic dilemma. J Gastrointest Surg. 2011 Dec;15(12):2172-7. doi: 10.1007/s11605-011-1685-5. Epub 2011 Oct 1. PMID: 21964581.
33. Nagaraja R, Govindasamy M, Varma V, Yadav A, Mehta N, Kumaran V, Gupta A, Nundy S. Hepatic artery pseudoaneurysms: a single-center experience. Ann Vasc Surg. 2013 Aug;27(6):743-9. doi: 10.1016/j.avsg.2012.08.018. Epub 2013 May 24. PMID: 23711970.
34. Jena SS, Yadav A, Nundy S. A giant duodenal adenoma. J Med Evid 2023;4:74-6
35. Shah, I., Ray, S., Mehrotra, S., Lalwani, S., Mangla, V., Yadav, A., Mehta, N.N., & Nundy, S. (2017). Why do people leave against medical advice and what happens to them later? A study on 50 consecutive patients in India. Current Medicine Research and Practice, 7, 169-173.
36. Bhat BK, Ray S, Lalwani S, Mangla V, Mehta NN, Yadav A, Nundy S. Redo hepaticojejunostomy in the management of bilioenteric anastomotic strictures. Curr Med Res Pract 2022;12:162-6
37. Pancreaticoduodenectomy with Multi-Visceral Resection: Is it Worthwhile? A 10-Year Experience at a Tertiary Care Centre. R. Bhavsar, S. Ray, A. Yadav, S.A.P. Das, N. Mehta, S. Nundy. VOLUME 24, SUPPLEMENT 1, S396, 2022. DOI:
https://doi.org/10.1016/j.hpb.2022.05.840
38. Samrat Ray, Subhashish Das, Vivek Mangla, Amitabh Yadav, Parul Chugh, Naimish N Mehta, Samiran Nundy. Prediction of outcome of Patients Undergoing Whipple‟s Pancreatoduodenectomy before Operation: A Prospective Validation of a Novel Risk Scoring System. Journal of Surgery and Research 4 (2021): 229-240.
39. Ray S, Yadav A, Nundy S. Massive splenic artery aneurysm with aneurysmal dilatation of the portal vein and splenic infarct. J Case Rep Images Surg 2017;3:1–5.
40. Chaudhary N, Mitra D S, Varma V, Kapoor S, Yadav A, Mehta N, Kumaran V, Nundy S. Pancreatic necrosectomy: The factors related to morbidity, mortality and cost. Curr Med Res Pract 2012;2:326-31
