General Surgery

Dr. Avinash Katara is a specialist in Laparoscopy, Thoracoscopy, Obesity and Endovenous Surgery.

• He is a Consultant Minimal Access and General Surgeon.
• He  performs  a  variety  of  advanced  laparoscopic,  thoracoscopic,  endovenous  and  proctological procedures.
• He has trained extensively in India, Singapore, Australia, UK, Germany and USA and has  over  twenty  years'  experience  in  Minimal  Access  Surgery.  
• He  is  a  keen  academic  and  has several  publications,  presentations  and  lectures  to  his  credit,  both  at  national  and  international platforms.
• His  key  areas  of  interest  are  Hernias,  Varicose  Veins,  Sweaty  palms,  Gall  stones  and Proctology.
• Done several fellowships in India and overseas in Minimal Access and Hernia Surgery.
• Keen academic and has several publications, presentations and lectures to his credit, both at national and international levels.
• Won the prestigious ‘International College of Surgeons research Scholarship grant’ in 2005.

Organization / Society

• Association of Surgeons of India
• Royal College of Surgeons of Edinburgh
• International Hepato-Pancreatico-Biliary Association
• National Academy of Medical Sciences, India
• Association of Minimal Access Surgeons of India
• Association of Medical Consultants , Mumbai
• Indian Medical Association
• Indian Association of Gastrointestinal Endo Surgeons
• Minimally Invasive Surgical Centre, Singapore
• Endoscopic and Laparoscopic Surgeons of Asia
• Asia Pacific Hernia Society
• Hernia Society of India (Indian Chapter of APHS)
• Obesity Surgery Society of India
• Society of American Gastrointestinal Endoscopic Surgeons
• American College of Phlebology
• College of Phlebology, UK
• Venous Society of India

Thesis

A dissertation on "A study of 100 cases of Abdominal Tuberculosis" with regards to the epidemiology, various clinical presentations, complications, diagnostic armamentarium, and the efficacy of conservative and surgical modalities of treatment offered to them, with a detailed report on the intraoperative findings on laparotomy with histopathological co-relation and their prognosis.

Publications in peer-reviewed journals

• Rao SA, Shilotri PP, Katara AN. Leiomyoma as a cause of massive lower gastrointestinal bleed: a case report. Bombay Hosp J 1999; 41(2): 344-345.
• Katara AN, Rathod MG, Bhandarwar AH, Singhal T. Inversion of appendix with appendiculo-caecocolic intussusception. Bombay Hosp J 2002; 44(2): 282-284.
• Bhandarwar AH, Katara AN, Bakhshi GD, Rathod MG, Quraishi AM. Splenic hydatidosis: a review of literature. Bombay Hosp J 2002; 44(4): 656-663.
• Katara AN, Bhandarwar AH, Bakhshi GD. Caecal volvulus: a case report. Bombay Hosp J 2003; 45(1): 145-148.
• Katara AN, Samra SS, Bhandarkar DS. Thoracoscopic pericardial window of post-CABG pericardial effusion. Indian Heart J 2003; 55: 180-181.
• Chandiramani VA, Katara AN, Pandya SM, Nair NS. Prolene hernia system in the tension-free repair of primary inguinal hernias. Indian J Surg 2003; 65: 488-491.
• Katara AN, Deshpande RB, Dastur FD, Chandiramani VA. Inflammatory pseudotumor of ascending colon presenting as PUO. Indian J Surg 2004; 66: 234-6.
• Katara AN, Chandiramani VA, Pandya SM, Nair NS. Migration on intrauterine contraceptive device into the appendix. Indian J Surg 2004; 66: 179-180.
• Katara AN, Shah RS, Bhandarkar DS, Shaikh S. Laparoscopic management of antenatally detected abdominal cysts in newborns. Surg Laparosc Endosc Percutan Tech. 2004 Feb;14(1):42-4.
• Bhandarkar DS, Katara AN, Shah RS. Intrahepatic subcapsular hematoma complicating laparoscopic cholecystectomy. Surg Endosc 2004;18(5):868-70.
• Katara AN, Chandiramani VA, Soman R, Bhaduri A, Desai DC. Necrotising enterocolitis in adults: a study of four cases. Indian J Surg 2004; 66: 115-118.
• Katara AN, Shah RS, Bhandarkar DS, Unadkat RJ. Retroperitoneoscopic drainage of a psoas abscess. J Pediatr Surg 2004;39(9)eE4-5.
• Bhandarkar DS, Katara AN, Shah RS, Udwadia TE. Transabdominal preperitoneal repair of a portsite incisional hernia. J Laparoendosc Adv Surg Tech 2005;15(1):60-2.
• Katara AN, Bhandarkar DS, Shah RS, Udwadia TE. Breakage of fascial closure device during laparoscopic surgery. J Min Access Surg 2005;1:79-81.
• Shah R, Katara A, Bhandarkar DS. Thoracoscopic surgery: video assisted thoracic surgery (VATS) in children. Bombay Hospital J 2005; 47:350-53.
• Lomanto D, Katara AN. Stapled haemorrhoidopexy for prolapsed haemorrhoids: short and long term experience. Asian J Surg 2007;30(1):29-33.
• Katara AN, Cheah WK, So JBY, Domino J,Ning C, Lomanto D. T2 versus T2-3 ablation in thoracoscopic sympathectomy for palmar hyperhidrosis: a randomized control trial. Surg Endosc. 2007 Oct;21(10):1768-71.
• Domino JP, Chionh SB, Lomanto D, Katara AN, Rauff A, Cheah WK. Laparoscopic partial adrenalectomy for bilateral cortisol-secreting adenomas. Asian J Surg 2007;30(2):154-7.
• Bhandarkar DS, Shah RS, Katara AN, Shankar M, Chandiramani VA, Udwadia TE. Laparoscopic biopsy in patients with abdominal lymphadenopathy. J Minim Access Surg 2007; 3:14-18.
• Bhandarkar DS, Katara AN. Laparoscopic mesh rectopexy: How I do it? J Colorectal Dis. 2007.
• Bhandarkar DS, Katara AN, Shankar M, Mittal G, Udwadia TE. Laparoscopic splenectomy for tuberculous abscess of the spleen. J Minim Access Surg. 2010;6:83-5.
• Mittal G, Bhandarkar DS, Katara AN, Udwadia TE. Temporary obturator nerve paresis following spray of local anesthetic during laparoscopic extraperitoneal hernia repair (Letter). Surg Laparosc Endosc Percutan Tech. 2010;20:357.
• Bhandarkar DS, Mittal G, Shah RS, Katara AN, Udwadia TE. Single incision laparosocpic cholecystectomy: How I do it?. J Minim Access Surg. 2011 Jan;7(1):17-23.
• Bhandarkar DS, Katara AN, Mittal G, Udwadia TE. Single incision laparosocpic bilateral oophorectomy. J Minim Access Surg. 2011 Jan;7(1):87-9.
• Bhandarkar DS, Katara A, Mittal G, Udwadia TE. Use of Nathanson retractor for laparsocopic splenectomy for massive spleens. Surg Laparosc Endosc Percutan Tech. 2011;21(5):e232-4.
• Bhandarkar DS, Katara AN, Mittal G, Shah RS, Udwadia TE. Prevention and management of complications of laparoscopic splenectomy. Indian J Surg. 2011;73:324-330.
• Bhandarkar DS, Katara A, Mittal G, Udwadia TE. Smoke evacuation in single incision laparsocopic surgery (Letter). Surg Endosc 2012; 26: 882-883.M
• Bhandarkar DS, Mittal G, Shah RS, Katara AN, Udwadia TE. Single incision laparosocpic cholecystectomy with conventional instruments in acute cholecystitis. Surg Endosc. (Submitted).
• Bhandarkar DS, Katara AN, Mittal G, Chauhan P, Chadha M, Udwadia TE. Laparosocpic management of renal hilar pheochromocytomas. Sing Med J (Submitted).
• Mittal G, Bhandarkar DS, Gandhi A, Nandeshwar D, Katara AN. Single incision laparosocpic retrieval of migrated intra-uterine contraceptive device. J Minim Invasive Gynecol (Submitted).
• Bhandarkar DS, Mittal GK, Katara AN, Behera RR. Laparo-endoscopic single-site left adrenalectomy using conventional ports and instruments. Urol Ann. 2014 Apr;6(2):169-72.
• Bhandarkar DS, Chhakarvarty N, Katara AN, Shah NF. Laparoscopic Resection of a Renal Hilar Pheochromocytoma in an Adolescent With a Circumaortic Left Renal Vein. Urology. 2016 Feb 12. [Epub ahead of print]
• Salgaonkar HP, Behera RR, Katara AN, Bhandarkar DS. Laparoscopic excision of a lipoma of parietal peritoneum. J Minim Access Surg. 2016 Apr-Jun;12(2):196-7.
• Kulkarni GV, Salgaonkar HP, Sharma PC, Chakkarvarty NR, Katara AN, Bhandarkar DS. Laparoscopic repair of left paraduodenal hernia: Report of two cases and review of the literature. Asian J Endosc Surg. 2016 May;9(2):157-60.
• Salgaonkar H, Behera RR, Sharma PC, Chadha M, Katara AN, Bhandarkar DS. Laparoscopic resection of a large paraganglioma arising in the organ of Zuckerkandl: Report of a case and review of the literature.J Minim Access Surg. 2016 Oct-Dec;12(4):378-81.
• Premchandani D, Chitnis A, Katara AN, Bhandarkar DS."Laparoscopic stapled resection / plication of left hemidiaphragmatic eventration in an adult". Asian J Endosc Surg. 2019 Jul 12
• Kulkarni GV, Premchandani D, Chitnis A, Katara A, Bhandarkar DS. Laparoscopic repair of a combined transmesocolic, transomental hernia. J Minim Access Surg. 2020 Jan-Mar;16(1):83-86.

Compilations

• Journal scan: "Siu WT, Leong HT, Law BK, et al. Laparoscopic repair for perforated peptic ulcer: a randomized controlled trial. AnnSurg 2002; 235: 313-319", in Indian J Surg 2002; 64(5): 463.
• Journal scan: "Burak WE, Hollenbeck SC, Zervos EE, et al. Sentinel lymph node biopsy results in less postoperative morbidity compared with axillary lymph node dissection for breast cancer. Am J Surg 2002; 183: 23-27", in Indian J Surg 2002; 64(5): 464.
• Katara AN, Bhandarkar DS. Maintenance and sterilization of laparoscopic instruments. In, Proceedings of MAS 2003 workshop, 2003.
• Bhandarkar DS, Katara AN. Sterilization and maintanance of instruments and equipment. In: Kriplani A, Bhatia P, Prasad A, Govil D, Garg HP editors. Comprehensive Laparoscopic Surgery. New Delhi: Sagar printers, 2007;20-26.
• ,
• Katara AN. "Key Hole Surgery for Sweaty Palms". Medinfo Sep. 2008 Vol.2 (3)
• Bhandarkar DS, Katara AN. Sterilization and maintanance of instruments and equipment. In: Deshpande S (editor). Comprehensive Laparoscopic Surgery. Kolhapur: Rajhuns printing press, 2012; 23-28.
• ,
• National Guidelines for Minimal Access Surgery in India - Was part of a National Committee for revising the national guidelines in MAS - at New Delhi in march 2018.

Oral Paper Presentation

• Prolene Hernia System in the tension-free repair of primary inguinal hernias. Katara AN, Pandya SM, Chandiramani VA. ASICON 2003-63rd Annual Conference of the Association of Surgeons of India (Pune, December 2003).
• Minimal access surgery in the management of diaphragmatic disorders. Katara AN, Bhandarkar DS, Shah RS, Udwadia TE, Bhanushali HS. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Laparoscopic cardiomyotomy for achalasia cardia. Katara AN, Bhandarkar DS, Shah RS, Udwadia TE. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Laparoscopic adrenalectomy. Katara AN, Bhandarkar DS, Chauhan PH,Shah RS, Udwadia TE. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Kikuchi-Fujimoto's disease-a series of 11 cases. Nair NS, Katara AN, Pandya SM, Chandiramani VA. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Laparoscopy in the management of abdominal lymphadenopathy. Katara AN, Bhandarkar DS, Shah RS, Chandiramani VA, Udwadia TE. IAGES 2004–6th National Conference of the Indian Association of Gastrointestinal Endo Surgeons (Ludhiana, February 2004).
• Thoracoscopic plication of diaphragm eventration. Katara AN, Bhandarkar DS, Udwadia TE. IAGES 2004–6th National Conference of the Indian Association of Gastrointestinal Endo Surgeons (Ludhiana, February 2004).
• Minimal access surgery in India – a survey of prevalent practices. Bhandarkar DS, Udwadia TE, Chandiramani VA, Katara AN. IAGES 2004–6th National Conference of the Indian Association of Gastrointestinal Endo Surgeons (Ludhiana, February 2004).
• Role of laparoscopy in the management of small bowel disorders. Katara AN, Bhandarkar DS, Shah RS, Punjani R. IASG 2004– 4th National Conference of the Indian Association of Surgical Gastroenterology (Cochin, September 2004).
• Dislodgement of clips from the right adrenal vein during laparoscopic adrenalectomy. Katara AN, Bhandarkar DS, Udwadia TE. Endosurgery 2005, Intenational Congress on Minimal Access Surgery–"Mechanism of Mishaps and Risk Reduction Strategies", 7th National Conference of the Indian Association of Gastrointestinal Endosurgeons (New Delhi, February 2005).
• T2 versus T2-3 ablation in thoracoscopic sympathectomy for palmar hyperhidrosis. Katara AN, Cheah WK, So JBY, Lomanto D. ELSA 2005, 7th Asia-Pacific Congress of Endoscopic Surgery (Hong Kong, August 2005).
• Focused parathyroidectomy: use of mini-incision in the neck and intraoperative parathyroid hormone assay. Domino JP, Katara AN, Rauff A, Cheah WK. CSM05, Combined Scientific Meeting-shaping a new era in healthcare (Singapore, November 2005).
• Open versus laparoscopic ventral hernia repair: a prospective comparative study. Katara AN, Iyer SG, Domino JP, Shabbir A, CheahWK, So JBY, Lomanto D. SAGES 2006, PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• Open versus laparoscopic ventral hernia repair: a prospective comparative study. Katara AN, Iyer SG, Domino JP, Shabbir A, CheahWK, So JBY, Lomanto D. CSM'06, Combined Scientific Meeting, organized by the National Health Group (Singapore, September 2006).
• Laparoscopic Heller's procedure for stage IV achalasia cardia. Katara AN, Bhandarkar DS, Shankar M, Kochar R, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Transabdominal preperitoneal repair of an port-site incisional hernia. Katara AN, Bhandarkar DS, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Laparoscopic dismembered ureteroureterostomy for retrocaval ureter. Katara AN, Bhandarkar DS, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Laparoscopic Cholecystectomy in the elderly: a valid option? Shankar M, Katara AN, Bhandarkar DS, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Gallstone ileus: treatment by laparoscopically assisted enterolithotomy. Shankar M, Katara AN, Bhandarkar DS, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Minimal access biopsy in patients with abdominal or thoracic lymphadenopathy. Shankar M, Katara AN, Bhandarkar DS, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Towards safer laparoscopic cholecystectomy: ten commandments. Bhandarkar DS, Katara AN, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Comparative anatomy of the adrenal glands. Bhandarkar DS, Katara AN, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Use of transabdominal retraction and stabilisation sutures in Laparoscopic surgery. Bhandarkar DS, Katara AN, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Retroperitoneoscopic drainage of a giant psoas abscess. Kochar R, Bhandarkar DS, Katara AN, Shankar M, Udwadia TE. ELSA 2007, 7th Asia-Pacific Congress of Endoscopic Surgery, at Hyderabad, India in August 2007.
• Kochar R, Bhandarkar DS, Katara A, Udwadia TE. Laparoscopic mesh rectopexy for complete rectal prolapse. Annual Conference of Association of Colon Rectal Surgeons of India. Mumbai, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic cardiomyotomy for sigmoid esophagus. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic ventral hernia repair – all sutures technique. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic exploration of the bile duct with its primary closure. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Kochar R, Katara AN, Udwadia TE. Laparoscopic appendicetomy for mucinous cystadenoma of the appendix. 54th Annual Conference of International College of Surgeons. Trichy, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Chauhan P, Kapadia F, Purandare V. Laparoscopic adrenalectomy for extra-adrenal pheochromoccytoma. 54th Annual Conference of International College of Surgeons. Trichy, 2008.
• Bhandarkar DS, Mittal G, Katara A, Udwadia TE. Single incision laparoscopic cholecystectomy: Master Video. Annual Conference of Indian Association of Surgical Gastroenterology, Mumbai, 2009.
• Bhandarkar DS, Mittal G, Katara A, Udwadia TE. Laparoscopic repair of incisional hernias at unusual locations. Annual Conference of International College of Surgeons - Indian Section, Amritsar, 2009.
• Bhandarkar DS, Mittal G, Katara A, Udwadia TE. Single incision laparoscopic surgery – preliminary experience. Mid Annual Research Day of Hinduja Hospital, Mumbai, 2009.
• Mittal G, Bhandarkar DS, Katara AN, Shah RS, Udwadia TE. Minimal access surgery for diaphragmatic disorders. 9th Biennial Congress of IAGES, New Delhi, 2010.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic cardiomyotomy for sigmoid esophagus. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic ventral hernia repair – all sutures technique. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Udwadia TE. Laparoscopic exploration of the bile duct with its primary closure. MASICON 2008, Kolhapur, 2008.
• Bhandarkar DS, Kochar R, Katara AN, Udwadia TE. Laparoscopic appendicetomy for mucinous cystadenoma of the appendix. 54th Annual Conference of International College of Surgeons. Trichy, 2008.
• Bhandarkar DS, Katara AN, Kochar R, Chauhan P, Kapadia F, Purandare V. Laparoscopic adrenalectomy for extra-adrenal pheochromoccytoma. 54th Annual Conference of International College of Surgeons. Trichy, 2008.
• Bhandarkar DS, Mittal G, Katara A, Udwadia TE. Single incision laparoscopic cholecystectomy: Master Video. Annual Conference of Indian Association of Surgical Gastroenterology, Mumbai, 2009.
• Mittal G, Bhandarkar DS, Katara AN, Udwadia TE. Laparoscopic resection of extra-adrenal pheochromocytoma. 9th Biennial Congress of IAGES, New Delhi, 2010.
• Bhandarkar DS, Mittal G, Katara AN, Udwadia TE. Single incision bilateral laparoscopic oophorectomy. 9th Biennial Congress of IAGES, New Delhi, 2010.
• Bhandarkar DS, Mittal G, Katara AN, Udwadia TE. Florid splenosis following laparoscopic splenectomy. 9th Biennial Congress of IAGES, New Delhi, 2010.
• Mittal G, Katara AN, Bhandarkar DS, Udwadia TE. Promising results of bilateral endoscopic thoracic sympathectomy (ETS) in patients with sweaty palms. ASICON 2010 – 70th Annual Conference of the Association of Surgeons of India, held at New Delhi from 15th - 21st December 2010.
• Mittal G, Bhandarkar DS, Katara AN, Udwadia TE. Laparoscopic repair of non-midline incisional hernias. ASICON 2010 – 70th Annual Conference of the Association of Surgeons of India, held at New Delhi from 15th - 21st December 2010.
• Overnight-stay bilateral thoracosopic sympathectomy in patients with palmar hyperhidrosis. Katara AN, Mittal GK, Bhandarkar DS, Udwadia TE. MASICON 2011, - 33rd Annual Conference of Maharashtra Chapter of ASI at Mumbai from 3rd - 6th February 2011.
• Customizing Laparoscopic Repair to Non-midline Incisional Hernias. Katara AN, Bhandarkar, Behra RR, Udwadia TE. APHS 2011 - Asia Pacific Hernia Society Congress and Live Workshop at Hua Hin (Thailand) in January 2012 (postponed from Nov 2011)
• Overnight-Stay Bilateral Endothoracic Sympathectomy In Patients With Palmar Hyperhidrosis - ISSS 2013 - 10th Biannual International Symposium on Sympathetic Surgery, held at Melbourne (Australia) in October 2013.
• Katara AN. Laparoscopic ventral hernia repair: To close or not to close the defect. HSICON 2016 - 10th Annual Hernia Society of India Conference at Aurangabad in September 2016.
• Katara AN. Endoscopic thoracic sympathectomy for palmar hyperhidroisis - ADC2016 - Asian Dermatological Congress 2016 at Mumbai in October 2016.
• Katara AN. Overnight-Stay Bilateral Endothoracic Sympathectomy In Patients With Palmar Hyperhidrosis - WCES & ELSA 2016, 15Th World Congress Of Endoscopic Surgery In Conjunction With The Endoscopic And Laparoscopic Surgeons Of Asia In Suzhou, China In November 2016.
• Katara AN. Preventions And Management Of Complications In Inguinal Hernias. HSICON 2017 - Mid-term conference of Hernia Society of India at Thane in March 2017.
• Katara AN. Ventral Hernia And Chronic Liver And Renal Disease. HSI2017 - Annual conference of the Hernia Society of India at New Delhi in August 2017.
• Katara AN. Treatment Strategies For Difficult Ventral Hernia Situations. HSI2017 - Annual conference of the Hernia Society of India at New Delhi in August 2017.
• Katara AN. Groin hernias - Challenging situations. HSICON 2018 - Annual conference of the Hernia Society of India at Chennai in September 2018.
• Katara AN. IPOM/IPOM Plus: What does literature say? HSICON 2019 - Annual conference of the Hernia Society of India at Kolkatta in August 2019.

Poster Presentation

• Recurrent Duodenal Leiomyosarcoma – a case report. Pandya SM, Katara AN, Chandiramani VA. 7th Biennial Congress of ASHBPS & 2nd Biennial Congress of Indian Section IHPBA (Chennai, August 2003).
• Inflammatory Pseudotumor of ascending colon presenting as PUO–a case report. Katara AN, Pandya SM, Chandiramani VA. ASICON 2003-63rd Annual Conference of the Association of Surgeons of India (Pune, December 2003).
• Prolene Hernia System. Katara AN, Nair NS, Pandya SM, Chandiramani VA. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Recurrent Duodenal Leiomyosarcoma–a case report. Nair NS, Katara AN, Pandya SM, Chandiramani VA. MASICON 2004–26th annual conference of the Maharashtra state chapter of Associations of Surgeons of India (Thane, February 2004).
• Laparoscopic Biopsy in Abdominal Lymphadenopathy. Katara AN, Bhandarkar DS, Shah RS, Chandiramani VA, Udwadia TE. IASG 2004–14th National Conference of the Indian Association of Surgical Gastroenterology (Cochin, September 2004).
• Minimal Access Surgery in the management of Diaphragmatic disorders. Katara AN, Bhandarkar DS, Shah RS, Udwadia TE. IASG 2004–14th National Conference of the Indian Association of Surgical Gastroenterology (Cochin, September 2004).
• Intrahepatic subcapsular hematoma complicating laparoscopic cholecystectomy. Shankar M, Katara AN, Bghandarkar DS, Udwadia TE. Endosurgery 2005, Intenational Congress on Minimal Access Surgery–"Mechanism of Mishaps and Risk Reduction Strategies", National Conference of the Indian Association of Gastrointestinal Endo Surgeons (New Delhi, February 2005).
• Subfascial Endoscopic Perforator Vein Surgery: a prospective study. Katara AN, Cheah WK, So JBY, Lomanto D. ELSA 2005, 7th Asia-Pacific Congress of Endoscopic Surgery (Hong Kong, August 2005).
• Thoracoscopic T2 versus T2-3 sympathectomy for Palmar hyperhidrosis. Katara AN, Domino JP, Iyer SG, Cheah WK, So JBY, Lomanto D. CSM05, Combined Scientific Meeting-shaping a new era in healthcare (Singapore, November 2005).
• Comparison of totally endoscopic extraperitoneal repair vs open repair for bilateral inguinal hernia. Katara AN, Iyer SG, Kow A, CheahWK, So JBY, Lomanto D. SAGES 2006, PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• Totally endoscopic extraperitoneal inguinal hernia repair: a single centre experience with different meshes. Katara AN, Iyer SG, Domino JP, Shabbir A, Cheah WK, So JBY, Lomanto D. SAGES 2006, PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• Laparoscopic repair for larger ventral hernias: feasibility and risk reduction strategies. Katara AN, Iyer SG, Shabbir A, CheahWK, So JBY, Lomanto D. SAGES 2006, PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• Subfascial endoscopic perforator vein surgery: a prospective study. Katara AN, CheahWK, So JBY, Lomanto D. SAGES 2006, PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• T2 versus T2,3 ablation in thoracoscopic sympathectomy for hyperhidrosis. Katara AN, CheahWK, So JBY, Lomanto D. SAGES 2006 PostGraduate course and Scientific Session organised by the Society of American Gastrointestinal and Endoscopic Surgeons (Dallas, April 2006).
• Open vs TEP repair for bilateral inguinal hernia: a comparative prospective study. Katara AN, Zhang E, Wang L, Shabbir A, Cheah WK, Lomanto D. 3rd International Hernia Congress, organized by the American Hernia Society (Boston, June 2006).
• There is a role for laparoscopic repair of large ventral hernias. Shabbir A, Katara AN, Iyer S, Cheah WK, So JBY, Lomanto D. 3rd International Hernia Congress, organized by the American Hernia Society (Boston, June 2006).
• Laparoscopic umbilical hernia is a viable option. Katara AN, Iyer S, Shabbir A, Cheah WK, Lomanto D. 3rd International Hernia Congress, organized by the American Hernia Society (Boston, June 2006).
• Early results of laparoscopic adjustable gastric banding on diabetes mellitus and metabolic syndrome in an asian population. AN Katara, D Lomanto, R Menon, A Tang, TK Ti, JBY So. IFSO 06, 11th World Congress of the International Federation for the Surgery of Obesity (Sydney, Australia – Aug-Sep 2006)
• Open vs TEP repair for bilateral inguinal hernia: a comparative prospective study. Katara AN, Zhang E, Wang L, Shabbir A, Cheah WK, Lomanto D. CSM'06, Combined Scientific Meeting, organized by the National Health Group (Singapore, September 2006).
• Totally endoscopic extraperitoneal inguinal hernia repair: a single centre experience with different meshes. Katara AN, Iyer SG, Domino JP, Shabbir A, Cheah WK, So JBY, Lomanto D. CSM'06, Combined Scientific Meeting, organized by the National Health Group (Singapore, September 2006).
• Early results of laparoscopic adjustable gastric banding on diabetes mellitus and metabolic syndrome in an asian population. AN Katara, D Lomanto, R Menon, A Tang, TK Ti, JBY So. CSM'06, Combined Scientific Meeting, organized by the National Health Group (Singapore, September 2006).
• T2 versus T2,3 ablation in thoracoscopic sympathectomy for hyperhidrosis. Katara AN, CheahWK, So JBY, Lomanto D. CSM'06, Combined Scientific Meeting, organized by the National Health Group (Singapore, September 2006).
• Extraperitoneal inguinal hernia repair: anchoring, not or anatomic mesh. Katara AN, Zhang E, Wang L, Cheah WK, So JBY, Lomanto D. APHS'06 Asia Pacific Hernia Society Congress and Live Workshop (New Delhi, India in October 06).
• Open versus laparoscopic ventral hernia repair. Katara AN, Iyer SG, Shabbir A, Cheah WK, So JBY, Lomanto D. APHS'06 Asia Pacific Hernia Society Congress and Live Workshop (New Delhi, India in October 06).
• Open versus TEP repair for bilateral inguinal hernia: a comparative prospective study. Katara AN, Iyer SG, Shabbir A, Cheah WK, So JBY, Lomanto D. APHS'06 Asia Pacific Hernia Society Congress and Live Workshop (New Delhi, India in October 06).
• RCT on use of fibrin glue versus stapler fixation in endoscopic TEP inguinal hernia repair: a preliminary report. Katara AN, Surendra M, Cheah WK, Mak K, Lomanto D. APHS'06 Asia Pacific Hernia Society Congress and Live Workshop (New Delhi, India in October 06).
• Mittal G, Bhandarkar DS, Katara AN, Sagade S, Deshpande RB, Udwadia TE. Epitheloid psammomatous melanotic schwannoma arising from lumbar sympathetic chain ASICON 2010 – 70th Annual Conference of the Association of Surgeons of India, held at New Delhi from 15th - 21st December 2010.
• Overnight-stay bilateral thoracosopic sympathectomy in patients with palmar hyperhidrosis. Katara AN, Bhandarkar, Behra RR, Udwadia TE. SAGES 2012, Post Graduate course and Scientific Session organized by the Society of American Gastrointestinal and Endoscopic Surgeons, at San Diego in March 2012.
• Premchandani D, Verma N, Samant A, Singh M, Bhandarkar DS, Katara AN. "Lap resection repair of eventration of left hemi-diaphragm in an adult". SELSICON 2017 - Annual National Conference of the Society of Endoscopic and Laparoscopic Surgeons of India, Jaipur.
• Premchandani D, Verma N, Samant A, Singh M, Bhandarkar DS, Katara AN. "Lap repair of recurrent Morgagni hernia". SELSICON 2017 - Annual National Conference of the Society of Endoscopic and Laparoscopic Surgeons of India, Jaipur.

CME Participation

• Advances in Surgery – Newer Energy Sources. 1st CME Course in Surgery, P.D. Hinduja National Hospital & Medical Research Centre, Mumbai on 20th April 2003.
• Hemorrhoids, Fissures and Fistulae, 2nd CME Course in Surgery, P.D. Hinduja National Hospital & Medical Research Centre, Mumbai on 8th August 2004.
• Blunt Abdominal Trauma, 2nd CME Course in Surgery, P.D. Hinduja National Hospital & Medical Research Centre, Mumbai on 8th August 2004.
• Newer Advances in Surgical treatment for Obesity. CME lecture for primary care physicians, P.D. Hinduja National Hospital & Medical Research Centre, Mumbai on 28th May 2007.
• Hemorrhoids: current trends. 3rd CME lecture for post graduate students, organized by the Department of General Surgery, Hinduja National Hospital & Medical Research Centre, Mumbai in September 2007.
• Laparoscopic repair of incisional and ventral hernia. 4th CME lecture for post graduate students, organized by the Department of General Surgery, Hinduja National Hospital & Medical Research Centre, Mumbai in March 2009.
• Laparoscopic Inguinal Hernia Repair: Current Trends, CME on Laparoscopic Inguinal Hernia Repair, organized by Aesculap Academy & Hinduja Hospital at Hinduja Hospital, Mumbai on 25th May 2011.
• Sweaty palms. CME lecture for general practitioners, organized by the Hinduja Hospital, Mumbai in February 2012.
• Recent advances in Varicose Veins. lecture for general practitioners, organized by the Hinduja Healthcare Surgical, Mumbai in December 2014.
• Safe and Efficient Day Care Anaesthesia, organised by the Department of Anaesthesiology, PD Hinduja Hospital and Medical Research Centre, Mumbai in February 2015.