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Ramanan Umakanthan

Ramanan Umakanthan, M.D., C.C.D.S.

Michael E. DeBakey Department of Surgery / Baylor College of Medicine
Optum360 / United Health Group / Dignity Health - Regional Manager, Central Valley Service Area, Northern California
Contact Information: rumakanthan@yahoo.com / NPI #: 1700377413
Los Angeles, CA  
United States
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Role: 
Surgeon - Cardiothoracic

Background

Affiliations

  • Optum360 / United Health Group / Dignity Health (June 2018 - )
  • R2A & Associates, LLC (October 2016 - )
  • Olympia Medical Center (March 2014 - March 2018)
  • Texas Children's Hospital, Division of Congenital Cardiac Surgery / Baylor College of Medicine, Michael E. DeBakey Department of Surgery (July 2013 – )
  • Vanderbilt Heart & Vascular Institute, Department of Cardiac Surgery / Vanderbilt University Medical Center (September 2007 – April 2013)
  • Brigham & Women’s Hospital, Division of Cardiac Surgery / Harvard Medical School (July 2004 – June 2007)
  • West Virginia University School of Medicine, Department of Surgery (July 2001 – June 2004)

Other Interests

  • Cardiovascular Surgery
  • Ventricular Restraint Therapy for Heart Failure
  • Hybrid Revascularization
  • Subfascial Endoscopic Perforator Surgery
  • Transcatheter Aortic Valve Implantation
  • Aortic Surgery
  • Minimally Invasive Cardiac Valve Surgery
  • Mechanical Circulatory Support
  • Utilization of Ambulatory Axillary Intra-Aortic Balloon Pumps as a Bridge to Heart Transplantation
  • Congenital Cardiac Surgery
  • Utilization of the Arterial Switch Operation to correct Transposition of the Great Arteries
  • Discrete Subaortic Stenosis
  • Surgical Repair of Recurrent Aortic Coarctation
  • VAD Support for Primary Graft Dysfunction
  • Clinical Documentation Improvement Consulting

Research

Peer Reviewed Publications 

  1. Umakanthan J, Jeyakumar P, Umakanthan B, Jeyakumar N, Senthilkumar N, Saraswathy MR, Umakanthan P, Umakanthan J, Sial T, Abrina S, Buendia FM, Pan I, Kamath RK, Pathmarajah C, Sivalingam K, Nathan SA, Sunder SK, Mahendra T, Umakanthan R. Barriers to the universal adoptation of bilateral internal mammary artery grafting.   Int J Surg. 2015 Apr; 16 (Pt B): 179-182.
  2. Mery CM, Khan MS, Guzman-Pruneda FA, Verm R, Umakanthan R, Watrin CH, Adachi I, Heinle JS, McKenzie ED, Fraser CD Jr. Contemporary results of surgical repair of recurrent aortic arch obstruction. Ann Thorac Surg. 2014 Jul; (1): 133-140; discussion 140-141.
  3. Umakanthan R, Haglund NA, Stulak JM, Joyce LD, Ahmad R, Keebler ME, Maltais S. Left thoracotomy HeartWare implantation with outflow graft anastomosis to the descending aorta: a simplified bridge for patients with multiple previous sternotomies. ASAIO J. 2013 Nov-Dec; 59(6): 664-667.
  4. Tchantchaleishvili V, Umakanthan R, Karp S, Stulak JM, Keebler ME, Maltais S. General surgical complications associated with the use of long-term mechanical circulatory support devices: are we 'under-reporting' problems? Expert Rev Med Devices. 2013 May; 10(3): 379-387.
  5. Umakanthan R, Leacche M, Gallion AH, Byrne JG. A comparison of hybrid coronary revascularization and off-pump coronary revascularization. Expert Rev Cardiovasc Ther. 2013 Apr; 11(4):395-397.
  6. Balaguer JM, Umakanthan R, Leacche M, Byrne JG. Minimally invasive cardiac surgery. Curr Probl Surg. 2012 Sep; 49(9): 529-549.
  7. Leacche M, Zhao DX, Umakanthan R, Byrne JG.  Do hybrid procedures have proven clinical utility and are they the wave of the future? : hybrid procedures have no proven clinical utility and are not the wave of the future. Circulation. 2012 May; 125(20): 2504-2510.
  8. Umakanthan R, Hoff SJ, Solenkova N, Wigger MA, Keebler ME, Lenneman A, Leacche M, Disalvo TG, Ooi H, Naftilan AJ, Byrne JG, Ahmad RM.  Benefits of ambulatory axillary intra-aortic balloon pump for circulatory support as bridge to heart transplant. J Thorac Cardiovasc Surg. 2012 May; 143(5): 1193-1197.
  9. Petracek MR, Leacche M, Solenkova N, Umakanthan R, Ahmad RM, Ball SK, Hoff SJ, Absi TS, Balaguer JM, Byrne JG. Minimally invasive mitral valve surgery expands the surgical options for high-risks patients. Ann Surg. 2011 Oct; 254(4): 606-611.
  10. Jaik NP, Umakanthan R, Leacche M, Solenkova N, Balaguer JM, Hoff SJ, Ball SK, Zhao DX, Byrne JG. Current status of hybrid coronary revascularization. Expert Rev Cardiovasc Ther. 2011 Oct; 9(10): 1331-1337.
  11. Hoff SJ, Ball SK, Leacche M, Solenkova N, Umakanthan R, Petracek MR, Ahmad R, Greelish JP, Walker K, Byrne JG. Results of completion arteriography after minimally invasive off-pump coronary artery bypass. Ann Thorac Surg. 2011 Jan; 91(1): 31-36; discussion 36-37.
  12. Umakanthan R, Leacche M, Zhao DX, Gallion AH, Mishra PC, Byrne JG. Hybrid Options for Treating Cardiac Disease. Seminars in Thor and Cardiovasc Surg. 2011 Winter; 23(4): 274-280.
  13. Solenkova NV, Umakanthan R, Leacche M, Zhao DX, Byrne JG. The new era of cardiac surgery: hybrid therapy for cardiovascular disease. Innovations (Phila). 2010 Nov; 5(6):88-393.
  14. Leacche M, Umakanthan R, Zhao DX, Byrne JG. Surgical update: hybrid procedures, do they have a role? Circ Cardiovasc Interv. 2010 Oct; 3(5): 511-518.
  15. Umakanthan R, Dubose R, Byrne JG, Ahmad RM. Preoperative optimization of multi-organ  failure following acute myocardial infarction and ischemic mitral regurgitation by placement of a transthoracic intra-aortic balloon pump. Heart Surg Forum. 2010 Oct 1; 13(5): E342-344.
  16. Levin R, Leacche M, Petracek MR, Deegan RJ, Eagle SS, Thompson A, Pretorius M, Solenkova NV, Umakanthan R, Brewer ZE, Byrne JG. Extending the use of the pacing pulmonary artery catheter for safe minimally invasive cardiac surgery. J Cardiothorac Vasc Anesth. 2010 Aug; 24(4): 568-573.
  17. Umakanthan R, Brewer ZE, Byrne JG, Ahmad RM. Use of the hybrid operating room for aortic valve replacement in a patient with anomalous left circumflex artery. J Thorac Cardiovasc Surg. 2010 Jun; 139(6): e123-125.
  18. Ahmad RM, Umakanthan R, Lawson M, Leacche M, Solenkova NV, Byrne JG. Nonsurgical management of traumatic cardiac pseudoaneurysms. J Thorac Cardiovasc Surg. 2010 Apr; 139(4): e83-85.
  19. Umakanthan R, Petracek MR, Leacche M, Solenkova NV, Eagle SS, Thompson A, Ahmad RM, Greelish JP, Ball SK, Hoff SJ, Absi TS, Balaguer JM, Byrne JG. Minimally invasive right lateral thoracotomy without aortic cross-clamping: an attractive alternative to repeat sternotomy for reoperative mitral valve surgery. J Heart Valve Dis. 2010 Mar; 19(2): 236-243.
  20. Umakanthan R, Leacche M, Petracek MR, Zhao DX, Byrne JG. Combined PCI and minimally invasive heart valve surgery for high-risk patients. Curr Treat Options Cardiovasc Med. 2009 Dec; 11(6): 492-498.
  21. Antevil J, Umakanthan R, Leacche M, Brewer Z, Solenkova N, Byrne JG, Greelish JP. Idiopathic mitral valve disease in a patient presenting with Axenfeld-Rieger syndrome. J Heart Valve Dis. 2009 May; 18(3): 349-351.
  22. Umakanthan R, Ghanta RK, Rangaraj AT, Lee LS, Laurence RG, Fox JA, Mihaljevic T, Bolman RM 3rd, Cohn LH, Chen FY. Cardioscopic tricuspid valve repair in a beating ovine heart. Heart Surg Forum. 2009 Apr; 12(2): E90-94.
  23. Ghanta RK, Lee LS, Umakanthan R, Laurence RG, Fox JA, Bolman RM 3rd, Cohn LH, Chen FY. Real-time adjustment of ventricular restraint therapy in heart failure. Eur J Cardiothorac Surg. 2008 Dec; 34(6): 1136-1140.
  24. Rangaraj AT, Ghanta RK, Umakanthan R, Soltesz EG, Laurence RG, Fox J, Cohn LH, Bolman RM 3rd, Frangioni JV, Chen FY. Real-time visualization and quantification of retrograde cardioplegia delivery using near infrared fluorescent imaging. J Card Surg. 2008 Nov-Dec; 23(6): 701-708.
  25. Leacche M, Balaguer JM, Umakanthan R, Byrne JG. Prosthetic valve sparing aortic root replacement: an improved technique. Interact Cardiovasc Thorac Surg. 2008 Oct; 7(5): 919-921.
  26. Umakanthan R, Leacche M, Petracek MR, Kumar S, Solenkova NV, Kaiser CA, Greelish JP, Balaguer JM, Ahmad RM, Ball SK, Hoff SJ, Absi TS, Kim BS, Byrne JG. Safety of minimally invasive mitral valve surgery without aortic cross-clamp. Ann Thorac Surg. 2008 May; 85(5): 1544-1550.
  27. Tabata M, Umakanthan R, Cohn LH, Bolman RM 3rd, Shekar PS, Chen FY, Couper GS, Aranki SF. Early and late outcomes of 1000 minimally invasive aortic valve operations. Eur J Cardiothorac Surg. 2008 Apr; 33(4): 537-541.
  28. Gogbashian A, Ghanta RK, Umakanthan R, Rangaraj AT, Laurence RG, Fox JA, Cohn LH, Chen FY. Correction of aortic insufficiency with an external adjustable prosthetic aortic ring. Ann Thorac Surg. 2007 Sep; 84(3): 1001-1005.
  29. Tabata M, Umakanthan R, Khalpey Z, Aranki SF, Couper GS, Cohn LH, Shekar PS. Conversion to full sternotomy during minimal-access cardiac surgery: reasons and results during a 9.5-year experience. J Thorac Cardiovasc Surg. 2007 Jul; 134(1): 165-169.
  30. Ghanta RK, Rangaraj A, Umakanthan R, Lee L, Laurence RG, Fox JA, Bolman RM 3rd, Cohn LH, Chen FY. Adjustable, physiological ventricular restraint improves left ventricular mechanics and reduces dilatation in an ovine model of chronic heart failure. Circulation. 2007 Mar; 115(10): 1201-1210.

Abstracts

  1. Umakanthan R, Ghanta RK, Rangaraj A, Laurence RG, Scott J, Fox JA, Mihaljevic T, Cohn LH, Chen FY. Cardioscopic Tricuspid Valve Repair In A Beating Heart. The Society for Heart Valve Disease. 2007 June.
  2. Lee LS, Ghanta RK, Rangaraj A, Umakanthan R, Tabata M, Laurence RG, Fox JA, Bolman RM 3rd, Cohn LH, Chen FY. Wrap Tightness Determines Reverse Remodeling with Ventricular Restraint Therapy. ISMICS. 2008 June.
  3. Eagle S, Umakanthan R, Leacche M, Petracek MR, Greelish JP, Balaguer JM, Ahmad RM, Ball SK, Hoff SJ, Byrne JG. Minimally Invasive Mitral Valve Surgery Without Aortic Cross Clamping: An Excellent Solution for Reoperative Cardiac Surgery. Circulation. 2008 Sep; 118: E414-491.
  4. Umakanthan R, Ghanta RK, Gogbashian A, Rangaraj A, Laurence RG, Locke A, Fox JA, Cohn LH, Chen FY. Correction of Aortic Insufficiency: Ring Annuloplasty. ASAIO J. 2007 Apr; 27A.
  5. Rangaraj A, Ghanta RK, Umakanthan R, Soltesz E, Laurence RG, Bolman R, Cohn LH, Frangioni J, Chen FY. Retrograde Cardioplegia: Real time Visualization and Quantification. J Am Coll Surg. 2006 Sep; 203(3): S24.
  6. Petracek MR, Leacche M, Solenkova N, Umakanthan R, Ahmad RM, Ball SK, Hoff SJ, Absi TS, Balaguer JM, Byrne JG. Minimally invasive mitral valve surgery expands the surgical options for high-risks patients. ASA. 2011 April.
  7. Lee LS, Ghanta RK, Rangaraj A, Umakanthan R, Tabata M, Laurence RG, Fox JA, Bolman RM 3rd, Cohn LH, Chen FY. Wrap Tightness Determines Reverse Remodeling with Ventricular Restraint Therapy. ISMICS. 2008 June.

Peer Reviewed Book Chapters

  1. Umakanthan J, Jeyakumar P, Umakanthan B, Jeyakumar N, Senthilkumar N, Saraswathy MR, Umakanthan P, Umakanthan J, Sial T, Abrina S, Buendia FM, Pan I, Orlando R, Sial V, Shafi N, Sial KA, Gnanasekaram H, Sial S, Pillai D, Rangaraj AT, Kamath RK, Gulasekaram B, Pathmarajah C, Sivalingam K, Nathan SA, Sunder SK, Mahendra T, Umakanthan R. Hybrid Coronary Revascularization. In: E.H. Bennington, ed. Horizons in World Cardiovascular Research. Volume 9. New York, New York: Nova Science Publishers; 2016: Chapter 10: 151-160.
  2. Umakanthan R, Leacche M, Byrne CR, Byrne JG. Verification Of Graft Patency In Off-Pump Coronary Artery Bypass Grafting. In: S.G. Raja, M. Amrani eds. Off-Pump Coronary Artery Bypass Grafting: Evolution, Techniques and Technology. New York, New York: Nova Science Publishers; 2012: 263-279.
  3. Leacche M, Zhao DX, Umakanthan R, Byrne JG.  Hybrid Coronary Revascularization. In: R.O. Bonow, D.L. Mann, D.P. Zipes, P. Libby, eds. Braunwald's Heart Disease, 9th ed (E-dition). Philadelphia, Pennsylvania: Elsevier. www.expertconsult.com; published online August 25, 2011. 
  4. Umakanthan R, Solenkova NV, Leacche M, Byrne JG, Ahmad RM. Coronary Artery Bypass Grafting. In: P.P. Toth, C Cannon, eds. Comprehensive Cardiovascular Medicine in the Primary Care Setting. 1st ed. Illinois: Humana, Springer; 2010: 263-279.
  5. Umakanthan R, Leacche M, Zhao DX, Ball SK, Hoff SJ, Byrne JG. Hybrid Procedures To Treat Coronary Artery Disease. In: K.L. Franco, V.H. Thourani, eds. Cardiothoracic Surgery Review. 1st ed. Philadelphia, Pennsylvania: Lippincott Williams & Wilkins; 2012: Chapter 36.
  6. Solenkova NV, Umakanthan R, Leacche M, Byrne JG. The Hybrid Operating Room. In: W.R. Chitwood, K. Kernstine, eds. Robotic Cardiothoracic Surgery: Atlas And Guide. New York, Springer; 2010.
  7. Umakanthan R, Leacche M, Zhao DX, Byrne JG. Hybrid Revascularization. In: S.C. Yang, D. Cameron, eds. Current Therapy in Thoracic and Cardiovascular Surgery 2nd ed. New York, New York: Mosby.
  8. Solenkova NV, Umakanthan R, Leacche M, Byrne JG. Hybrid Operating Room. In: F. Jolesz, ed. Intraoperative Imaging and Image Guided Therapy. Baton Rouge, Louisiana: Springer.

Other/Miscellaneous

  1. Byrne JG, Leacche M, Umakanthan R, Piana RN, Greelish J, Petracek MR. (October 2008). A Case of Complex Aortic Root Surgery. Vanderbilt Heart Journal.
  2. Umakanthan R, Zhao DX, Leacche M, Byrne JG. (January 2010). Transcatheter Valve Procedures. Nashville Medical News.

Lectures/Presentations

  1. Umakanthan R, Ahmad RM. Heart Transplant Scenario in Adults. February 17, 2011; The 57th Annual Conference of the Indian Association of Cardiovascular & Thoracic Surgeons, CTCON 2011. Chennai, India.
  2. Umakanthan R, Ahmad RM. Hybrid Revascularization: The Vanderbilt Experience. February 18, 2011; The 57th Annual Conference of the Indian Association of Cardiovascular & Thoracic Surgeons, CTCON 2011. Chennai, India.
  3. Umakanthan R, Ahmad RM. Axillary Intra-Aortic Balloon Pumps as a Bridge to Heart Transplantation. February 19, 2011; The 57th Annual Conference of the Indian Association of Cardiovascular & Thoracic Surgeons, CTCON 2011. Chennai, India.
  4. Umakanthan R, Ahmad RM. Benefits of  Ambulatory Axillary Intra-Aortic Balloon Pump for Circulatory Support as Bridge to Heart Transplant. April 15, 2011; The 31st  Annual Meeting of The International Society for Heart & Lung Transplantation. San Diego, California.
  5. Umakanthan R, Ghanta RK, Gogbashian A, Rangaraj A, Laurence RG, Locke A, Fox JA, Cohn LH, Chen FY. Correction of Aortic Insufficiency: Ring Annuloplasty. June 2007; ASAIO 53rd Annual Conference. Chicago, Illinois.

  6. Umakanthan R, Ghanta RK, Rangaraj A, Laurence RG, Scott J, Fox JA, Mihaljevic T, Cohn LH, Chen FY. Cardioscopic Tricuspid Valve Repair In A Beating Heart. June 2007; Fourth Biennial Meeting of The Society for Heart Valve Disease. New York, New York.

Practice Areas

  • Cardiac
  • Congenital