Contact: 07400002575
General and Bariatric Surgery Weight loss Solutions (Surgery, Injections)
Mr Ravikrishna Mamidanna is a General Surgeon with specialist interest in Bariatric (weight loss) and Upper GI Surgery
About Ravikrishna Mamidanna
General Surgeon
Mr Ravikrishna Mamidanna is a Consultant General Surgeon with a specialist interest in weight loss surgery, alongside the management of reflux disease, hernias and gallstones. His practice focuses on delivering safe, evidence-based surgical care tailored to each patient’s needs, with an emphasis on improving quality of life and long-term health outcomes. Working within a multidisciplinary team, he combines technical expertise with a compassionate approach, ensuring patients are well supported from initial assessment through to recovery.
He underwent his basic and higher surgical training in the United Kingdom. Subsequently he undertook a specialist Royal College of Surgeons (London) Fellowship in Bariatric and Metabolic Surgery.
Qualifications:
- 2020 – Fellowship in Bariatric and Metabolic Surgery
(Royal College of Surgeons, London)
- 2018 – FRCS (Royal College of Surgeons, London)
- 2015 – PhD (Imperial College, London)
- 2007 – MRCS (Royal College of Surgeons, Edinburgh)
- 2004 – MBBS (Maharashtra University of Health Sciences, India)
Conditions / Problems
Mr Mamidanna offers treatment for conditions such as:
- Obesity / Weight loss
- Hernia (groin, belly button, abdominal ,incisional)
- Gallstones
- Acid Reflux, Hiatus Hernia
- Skin lumps and bumps (lipoma, sebaceous cyst)
Operations / Treatments
Mr Mamidanna offers following treatments:
- Gastric Bypass
- Sleeve Gastrectomy
- Gastric Balloon
- Keyhole repair for Hernia
- Keyhole removal of gallbladder
- Keyhole repair of hiatus hernia and anti-reflux surgery
- Excision of Skin lumps and bumps (lipoma, sebaceous cyst)
Clinic Locations
The Blackheath Hospital
40 - 42 Lee Terrace, Blackheath, London, SE3 9UD
Reception: 020 8003 3795
One Ashford Hospital
Kennington Raod, Willesborough, Ashford TN24 0YS
Enquiries: 01233 423 000
University Hospital Lewisham
High Street, Lewisham SE13 6LH
Switchboard: 020 8333 3000
Publications and Research by Ravikrishna Mamidanna
Research Papers
- Katz-Summercorn AC, Arhi C, Agyemang-Yeboah D, Cirocchi N, Musendeki D, Fitt I, McGrandles R, Zalin A, Foldi I, Rashid F, Adil MT, Jain V, Mamidanna R, Jambulingam P, Munasinghe A, Whitelaw DE, Al-Taan O. Patient and operative factors influence delayed discharge following bariatric surgery in an enhanced recovery setting. Surg Obes Relat Dis. 2024 May;20(5):446-452. doi: 10.1016/j.soard.2023.11.005. Epub 2023 Nov 25. PubMed PMID: 38218689.
- Mamidanna R, Askari A, Patel K, Adil MT, Jain V, Jambulingam P, Whitelaw D, Rashid F, Munasinghe A, Al-Taan O. Safety and feasibility of resuming bariatric surgery under the cloud of COVID-19. Ann R Coll Surg Engl. 2021 Jul;103(7):524-529. doi: 10.1308/rcsann.2021.0053. PubMed PMID: 34192498; PubMed Central PMCID: PMC10751989.
- Patel K, Askari A, Mamidanna R, Jain V, Adil T. Long-term BAROS scores and independent obesity-related co-morbidity predictors of failure after laparoscopic Roux-en-Y gastric bypass. Surg Obes Relat Dis. 2020 Dec;16(12):1954-1960. doi: 10.1016/j.soard.2020.07.037. Epub 2020 Aug 14. PubMed PMID: 32958371.
- Askari A, Dai D, Taylor C, Chapple C, Halai S, Patel K, Mamidanna R, Munasinghe A, Rashid F, Al-Taan O, Jain V, Whitelaw D, Jambulingam P, Adil MT. Long-Term Outcomes and Quality of Life at More than 10 Years After Laparoscopic Roux-en-Y Gastric Bypass Using Bariatric Analysis and Reporting Outcome System (BAROS). Obes Surg. 2020 Oct;30(10):3968-3973. doi: 10.1007/s11695-020-04765-0. PubMed PMID: 32524523.
- Nachiappan S, Askari A, Mamidanna R, Munasinghe A, Currie A, Stebbing J, Faiz O. Initiation of adjuvant chemotherapy within 8 weeks of elective colorectal resection improves overall survival regardless of reoperation. Colorectal Dis. 2016 Nov;18(11):1041-1049. doi: 10.1111/codi.13308. PubMed PMID: 27807941.
- Mamidanna R, Nachiappan S, Bottle A, Aylin P, Faiz O. Defining the timing and causes of death amongst patients undergoing colorectal resection in England. Colorectal Dis. 2016 Jun;18(6):586-93. doi: 10.1111/codi.13224. PubMed PMID: 26603662.
- Mamidanna R, Ni Z, Anderson O, Spiegelhalter SD, Bottle A, Aylin P, Faiz O, Hanna GB. Surgeon Volume and Cancer Esophagectomy, Gastrectomy, and Pancreatectomy: A Population-based Study in England. Ann Surg. 2016 Apr;263(4):727-32. doi: 10.1097/SLA.0000000000001490. PubMed PMID: 26501701.
- Nachiappan S, Askari A, Mamidanna R, Munasinghe A, Currie A, Stebbing J, Faiz O. The impact of adjuvant chemotherapy timing on overall survival following colorectal cancer resection. Eur J Surg Oncol. 2015 Dec;41(12):1636-44. doi: 10.1016/j.ejso.2015.09.009. Epub 2015 Sep 26. PubMed PMID: 26456792.
- Munasinghe A, Markar SR, Mamidanna R, Darzi AW, Faiz OD, Hanna GB, Low DE. Is It Time to Centralize High-risk Cancer Care in the United States? Comparison of Outcomes of Esophagectomy Between England and the United States. Ann Surg. 2015 Jul;262(1):79-85. doi: 10.1097/SLA.0000000000000805. PubMed PMID: 24979602.
- Byrne BE, Mamidanna R, Vincent CA, Faiz OD. Outlier identification in colorectal surgery should separate elective and nonelective service components. Dis Colon Rectum. 2014 Sep;57(9):1098-104. doi: 10.1097/DCR.0000000000000192. PubMed PMID: 25101606.
- Blum MM, Mamidanna RV. Analytical chemistry and the Chemical Weapons Convention. Anal Bioanal Chem. 2014 Aug;406(21):5067-9. doi: 10.1007/s00216-014-7931-4. PubMed PMID: 24928112.
- Munasinghe A, Chang D, Mamidanna R, Middleton S, Joy M, Penninckx F, Darzi A, Livingston E, Faiz O. Reconciliation of international administrative coding systems for comparison of colorectal surgery outcome. Colorectal Dis. 2014 Jul;16(7):555-61. doi: 10.1111/codi.12624. PubMed PMID: 24661398.
- Almoudaris AM, Mamidanna R, Faiz O. Failure to rescue in trauma patients: operative interventions must be considered. Ann Surg. 2014 Jun;259(6):e85. doi: 10.1097/SLA.0000000000000538. PubMed PMID: 24441807.
- Burns EM, Mamidanna R, Currie A, Bottle A, Aylin P, Darzi A, Faiz OD. The role of caseload in determining outcome following laparoscopic colorectal cancer resection: an observational study. Surg Endosc. 2014 Jan;28(1):134-42. doi: 10.1007/s00464-013-3139-5. Epub 2013 Sep 20. PubMed PMID: 24052341.
- Byrne BE, Mamidanna R, Vincent CA, Faiz O. Population-based cohort study comparing 30- and 90-day institutional mortality rates after colorectal surgery. Br J Surg. 2013 Dec;100(13):1810-7. doi: 10.1002/bjs.9318. PubMed PMID: 24227369; PubMed Central PMCID: PMC4065361.
- Burns EM, Bottle A, Almoudaris AM, Mamidanna R, Aylin P, Darzi A, Nicholls RJ, Faiz OD. Hierarchical multilevel analysis of increased caseload volume and postoperative outcome after elective colorectal surgery. Br J Surg. 2013 Oct;100(11):1531-8. doi: 10.1002/bjs.9264. PubMed PMID: 24037577.
- Mamidanna R, Almoudaris AM, Bottle A, Aylin P, Faiz O, Hanna GB. National outcomes and uptake of laparoscopic gastrectomy for cancer in England. Surg Endosc. 2013 Sep;27(9):3348-58. doi: 10.1007/s00464-013-2916-5. Epub 2013 Apr 24. PubMed PMID: 23612763.
- Mamidanna R, Faiz O. Letter Re: "Operative outcomes beyond 30-day mortality: colorectal cancer surgery in oldest old" no reply. Ann Surg. 2013 Jul;258(1):e13. doi: 10.1097/SLA.0b013e318296c3b6. PubMed PMID: 23728288.
- Almoudaris AM, Mamidanna R, Bottle A, Aylin P, Vincent C, Faiz O, Hanna GB. Failure to rescue patients after reintervention in gastroesophageal cancer surgery in England. JAMA Surg. 2013 Mar;148(3):272-6. doi: 10.1001/jamasurg.2013.791. PubMed PMID: 23553312.
- Mamidanna R, Almoudaris AM, Faiz O. Is 30-day mortality an appropriate measure of risk in elderly patients undergoing elective colorectal resection?. Colorectal Dis. 2012 Oct;14(10):1175-82. doi: 10.1111/j.1463-1318.2011.02859.x. Review. PubMed PMID: 21999306.
- Mamidanna R, Faiz O. Comment on: laparoscopic colorectal surgery in elderly patients: a case-control study of 15 years of experience. Am J Surg. 2012 Oct;204(4):548-9. doi: 10.1016/j.amjsurg.2010.08.009. Epub 2011 Aug 6. PubMed PMID: 21824602.
- Bagnall NM, Mamidanna R, Faiz O. Response to "Long term outcomes following surgery for colorectal cancers in octogenarians: a single institution's experience of 204 patients". J Gastrointest Surg. 2012 Oct;16(10):2007-8. doi: 10.1007/s11605-012-1975-6. Epub 2012 Jul 26. PubMed PMID: 22833441.
- Mamidanna R, Eid-Arimoku L, Almoudaris AM, Burns EM, Bottle A, Aylin P, Hanna GB, Faiz O. Poor 1-year survival in elderly patients undergoing nonelective colorectal resection. Dis Colon Rectum. 2012 Jul;55(7):788-96. doi: 10.1097/DCR.0b013e3182585a35. PubMed PMID: 22706132.
- Mamidanna R, Faiz O. Accuracy of clinical coding from 1210 appendicectomies in a British district general hospital. Int J Surg. 2012;10(5):270-1. doi: 10.1016/j.ijsu.2012.03.005. Epub 2012 Mar 16. PubMed PMID: 22430279.
- Burns EM, Rigby E, Mamidanna R, Bottle A, Aylin P, Ziprin P, Faiz OD. Systematic review of discharge coding accuracy. J Public Health (Oxf). 2012 Mar;34(1):138-48. doi: 10.1093/pubmed/fdr054. Epub 2011 Jul 27. Review. PubMed PMID: 21795302; PubMed Central PMCID: PMC3285117.
- Mamidanna R, Burns EM, Bottle A, Aylin P, Stonell C, Hanna GB, Faiz O. Reduced risk of medical morbidity and mortality in patients ed for laparoscopic colorectal resection in England: a population-based study. Arch Surg. 2012 Mar;147(3):219-27. doi: 10.1001/archsurg.2011.311. Epub 2011 Nov 21. PubMed PMID: 22106248.
- Mamidanna R, Bottle A, Aylin P, Faiz O, Hanna GB. Short-term outcomes following open versus minimally invasive esophagectomy for cancer in England: a population-based national study. Ann Surg. 2012 Feb;255(2):197-203. doi: 10.1097/SLA.0b013e31823e39fa. PubMed PMID: 22173202.
- Almoudaris AM, Burns EM, Mamidanna R, Bottle A, Aylin P, Vincent C, Faiz O. Value of failure to rescue as a marker of the standard of care following reoperation for complications after colorectal resection. Br J Surg. 2011 Dec;98(12):1775-83. doi: 10.1002/bjs.7648. Epub 2011 Aug 25. PubMed PMID: 22034183.
- Pantling AZ, Gossage JA, Mamidanna R, Newman G, Robinson A, Manifold DK, Hale PC. Outcomes from chemoradiotherapy for patients with esophageal cancer. Dis Esophagus. 2011 Apr;24(3):172-6. doi: 10.1111/j.1442-2050.2010.01121.x. Epub 2010 Nov 12. PubMed PMID: 21073614.
- Mamidanna R, Faiz O. Laparoscopic colectomy is safe and leads to a significantly shorter hospital stay for octogenarians. Surg Endosc. 2011 Mar;25(3):983-4. doi: 10.1007/s00464-010-1261-1. PubMed PMID: 21052727.
- Mamidanna R, Stonell C, Faiz O. Complications and mortality in older surgical patients in Australia and New Zealand (the REASON study): a multicentre, prospective, observational study. Anaesthesia. 2011 Feb;66(2):132-3. doi: 10.1111/j.1365-2044.2010.06587.x. PubMed PMID: 21254987.
- Mamidanna R, Almoudaris AM, Faiz O. Variability in length of stay after colorectal surgery: assessment of 182 hospitals in the national surgical quality improvement program. Ann Surg. 2010 Nov;252(5):891-2; author reply 892. doi: 10.1097/SLA.0b013e3181fdf6c8. PubMed PMID: 21037449.
- Diyora B, Sharma A, Mamidanna R, Kamat L. Chronic cervicothoracic spinal subdural hematoma. Neurol Med Chir (Tokyo). 2009 Jul;49(7):310-2. doi: 10.2176/nmc.49.310. PubMed PMID: 19633404.
- Badhe P, Thorat J, Diyora BD, Mamidanna R, Sayal P, Badhe S, Sharma AK. Neuroprotective effects of vitamin E in cold induced cerebral injury in guinea pigs. Indian J Exp Biol. 2007 Feb;45(2):180-4. PubMed PMID: 17375558.
- Sharma AK, Diyora BD, Shah SG, Pandey AK, Mamidanna R. An extradural and subdural hematoma in a neonate. Indian J Pediatr. 2005 Mar;72(3):269. PubMed PMID: 15812131.
Book Chapters
- Mamidanna R, Faiz O. Laproscopy and Laparotomy.
Imaging of Acute Appendicitis in Adults and Children (Pages 45-56)
Editors: Caroline Keyzer, Pierre Aalain Gevenois
Springer-Verlag. ISBN 978-3-642-17871-9
- Alan Askari, Chanpreet Arhi, Mamidanna R. Quality of Life Following Bariatric and Metabolic Surgery.
Patient Reported Outcomes and Quality of Life in Surgery (Pages 85-96)
Editors: Thanos Athanasiou, Vanash Patel, Ara Darzi
Springer. ISBN 978-3-031-27596-8
Contact
Secretary
Telephone: 07400002575
Email: surgeon.mamidanna@gmail.com
Appointments
The Blackheath Hospital Reception: 020 8003 3795 One Ashford Hospital Enquiries: 01233 423 000 University Hospital Lewisham via GP
