Hospital 0481 2592001  
Casualty 2592475


  • Medical Superintendent Govt. Medical College, Kottayam
  • Professor and Head Dept. of CTVS, Govt. Medical College, Kottayam


  • JANUARY 2006 – JANUARY 2012 Associate Professor, Dept. of Cardio-Thoracic and Vascular Surgery Govt. Medical College, Kottayam, Kerala, India.
  • SEPTEMBER 2003 – JANUARY 2006 Assistant Professor, Dept. of Cardio-Thoracic and Vascular Surgery Govt. Medical College, Kottayam, Kerala, India.
  • SEPTMBER 2000 – SEPTEMBER 2003 Senior Lecturer, Department of Cardio-Thoracic and Vascular Surgery Govt. Medical College, Kottayam, Kerala, India.
  • JULY 1998 – SEPTEMBER 2000 Senior Resident, Department of Cardio-Thoracic and Vascular Surgery JIPMER, Puducherry University
  • MAY 1997 – JULY 1998 Lecturer, Department of Cardio-Thoracic and Vascular Surgery Govt. Medical College, Kottayam, Kerala, India.
  • DECEMBER 1996 – MAY 1997 Registrar , Department of Cardio-Thoracic and Vascular Surgery Govt. Medical College, Kottayam, Kerala, India.

DNB CTVS (National Board of Examinations, New Delhi 2001)
M.Ch CTVS (JIPMER, Puducherry University– 2000)
M.S. General Surgery (Govt. Medical College, Kottayam, M.G University – 1996)
M.B.B.S. (Govt. Medical College, Kottayam, M.G University – 1993)

  • Member: Board of Studies, KUHS, Kerala
  • Dean for the Faculty of Modern Medicine, Mahatma Gandhi University, Kerala
  • Member: Governing Council, National Homeopathic Research Institute in Mental Health (NHRIMH), Kottayam, Kerala
  • Member: Working Group on Medical And Public Health, 14th Five Year Plan, Kerala State Planning Board
  • Member: Medical Advisory Cell, SHA, Kerala
  • Member: Expert Working Group, KSOTTO and Chairperson-Heart &Lung Subcommittee.
  • Life Member : Indian Association of Cardio Thoracic Surgeons (IACTS)
  • Charter Member : Society of Minimally Invasive Cardiovascular and Thoracic Surgeons of India (SMICTSI)
  • Charter Member: Society of Heart Failure and Transplantation (SfHFT)
  • Member: Indian Medical Association (IMA)
  • Member: Kottayam Heart Club
  • Member: Medical Panel, Heart Care Foundation, Kochi, Kerala
  • Past president of Kerala Government Medical College Teachers Association (KGMCTA), Kottayam Unit, Kerala
  1. Professional excellence award by Lion’s club Dist.324-E4, 2009-10
  2. Professional excellence award by JCI India Zone XXII, 2012
  3. Professional excellence award by Jaycees, Kidangoor
  4. ‘Gramadeepam’ award by Pourasamity, Kidangoor
  5. Rotary Vocational Achievement award 2010-2011
  6. Rotary International Dist.3211 Award 2010
  7. Rotary Club- PDG Varkey George Memorial award 2012
  8. Award for the First Heart Transplantation under Govt. Sector 2015
  9. N. Govinda Menon Award 2015
  10. Lion’s District 318C – Life Time Achievement Award – 2016
  11. Aravinda Keerthi Mudra Award (Aravinda Charitable Society) 2016
  12. Best Doctor Award in Modern Medicine (Special Award) 2016 – Health & FW
    Department, Govt. of Kerala
  13. 7th T. K Ramakrishnan Award 2017 – T. K Smaraka Padana Kendram, Kottayam
  14. 2nd Uzhavoor Vijayan Smaraka Award 2019 – Uzhavoor Smaraka Trust,
  15. Deepika Surgical Excellence Award 2019 – Rashtra Deepika Ltd.
  16. Navarathri Puraskaram 2022, Nethalloor Sri Bhagavathi temple, Karukachal,
  17. D Sreeman Namboothiri Puraskaram 2022, Aju Educational, Charitable and Cultural Research Foundation, Muvattupuzha, Ernakulam.
  • Heart and Lung Transplantation
  • Adult Cardiac Surgeries and Valve Repairs
  • Paediatric Cardiac Surgery
  • Aneurysm Surgery
  • Minimally Invasive Cardiac Surgery (MICS)
  • Thoracic Surgery- Sleeve Resections
  • 2016
    • Heart Transplant : 2
    • Heart Surgeries : 1149
    • Major Thoracic and Vascular Surgeries: 834
    • Total Surgeries : 1985
  • 2017
    • Heart Transplant : 1
    • Heart Surgeries : 1184
    • Major Thoracic and Vascular Surgeries: 797
    • Total Surgeries : 1982
  • 2018
    • Heart Transplant : 0
    • Heart Surgeries : 1187
    • Major Thoracic and Vascular Surgeries: 656
    • Total Surgeries : 1843
  • 2019
    • Heart Transplant : 1
    • Heart Surgeries : 1219
    • Major Thoracic and Vascular Surgeries: 821
    • Total Surgeries : 2040
  • 2020
    • Heart Transplant : 2
    • Heart Surgeries : 1096
    • Major Thoracic and Vascular Surgeries: 770
    • Total Surgeries : 1868
  • 2021
    • Heart Transplant : 0
    • Heart Surgeries : 1033
    • Major Thoracic and Vascular Surgeries: 794
    • Total Surgeries : 1827
  • 2022
    • Heart Surgeries : 1364
    • Major Thoracic and Vascular Surgeries: 907
    • Total Surgeries : 2271
  • Instrumental in making the Department a Centre of Excellence in Cardiovascular and Thoracic Surgery in Kerala. The Department has done more than 1200 open heart surgeries and about 850 other surgeries in 2017. This is one of the few centres in South India which manages different types of Aortic aneurysm surgery. The department also offers latest advances like Heart & Lung Transplantation, ‘Off Pump’ Bypass Surgery, Thoracoscopic Surgery, Minimally Invasive Cardiac Surgery and Aneurysm Stenting. This centre also has the distinction of doing the maximum number of valve repair surgeries in India.
  • Started Paediatric Cardiac Surgery. This is the only centre under the Government of Kerala which takes care of neonatal and infant cardiac surgical problems.
  • Started Heart Transplantation first time in Govt. sector in India.
  • With the help of a Hospital Development Society project, increased the number of operations from100 cases / year in 2000 to nearly 2000 cases / year in 2017-18.
  • Started and established Coronary Artery Surgery in Kottayam Medical College since 2005.
  • Started and established Off pump CABG in Kottayam Medical College
  • Started ‘redo CABG’ for the first time in Govt. sector in Kerala
  • Started and established Aneurysm Surgery & Thoracoscopic Surgery at Kottayam Medical College. This institution is now one of the few centres in South India which offers management of different types of Aortic Aneurysms.
  • Involved in implementation of programmes like “Thalolam” by Govt. of Kerala, ‘Heart to heart’ by Rotary club and ‘Hridayathalam’ by Lions’ club.
  • Started Pulmonary Endarterectomy first time in Govt. Sector in India.
  • Immersed in developing Kottayam Medical College as a unique centre dealing with full spectrum of cardiothoracic surgery including lung, heart, oesophageal and chest wall reconstructive surgeries in the world.
  • Took over the additional charge of Superintendent of Govt. Medical College, Kottayam on 08-07-2016 and could start various developmental projects
  • Started various developmental projects worth Rs.1000 crore and 73 projects were inaugurated and started functioning.
  1. P.Rekha, , B. Thomas, J M Pappachan, K P Venugopal, T K Jayakumar, and P Sukumaran, Kerala, India; Tracheal rhinosporidiosis; J Thorac Cardiovasc Surg 2006;132:718-9
  2. T K Jayakumar, P Chandramohan., B Babu,, A Babu; Benign broncho-esophageal fistula in adult- Two case reports; IJTCVS. Esophageal fistula. 2006; 22: 230–232
  3. P.Rekha, M Sajitha, J.M Pappachan, AkashBabu, T.K Jayakumar, P.Sukumaran; Acquired Tracheo-esophageal fistula caused by a Denture; Indian Journal of Surgery 2007
  4. K. Jayaprakash, Nigil Cletus, T.K. Jayakumar , Raju George ;The masquerading myxoma-Presentation as acute STEMI- Journal of Indian College of Cardiology xxx ( 2 0 1 5 ) 1 –4
  5. Joseph Thomas Kathayanatt, Ratish Radhakrishnan, Shaji Palangadan, Jayakumar Thanath Krishnan Nair; A case of esophageal stent perforation managed by a covered stent – Indian JThorac Cardiovasc Surg DOI 10.1007/s12055-016-0453-2
  6. Lekshmi Malathi, Sankar Das, Jayakumar Thanathu Krishnan Nair & Aniraj Rajappan; Chest wall reconstruction: success of a team approach—a 12-year experience from a tertiary care institution, Indian J Thorac Cardiovasc Surg (2020), 36:44-51, DOI 10.1007/s12055-019-00841-y
  7. Nair VV, Jayakumar T.K. The moving ball, Asian Cardiovasc Thorac Ann. Apr 2017.25(7-8), 557-558
  8. Nair VV, Singh KK, Kathayanatt JT, Radhakrishnan R, Babu A, Thanathu Krishnan Nair J; Late Presentation of esophageal rupture following blunt thoracic trauma. Asian Cardiovasc Thorac Ann 2017 May;25(4):313-314 doi: 10.1177/0218492317709697. Epub 2017 May 17
  9. Nair VV, Singh KK, Kathayanatt JT, Radhakrishnan R, Babu A, Thanathu Krishnan Nair J; Inflammatory myofibroblastic lung tumour with dysphagia in a 4-year-old child. Asian Cardiovasc Thorac Ann(Oct 2017). DOI: 10.1177/0218492317738672
  10. Nair VV, Nair, J.T.K, Das, S. Et al. Lifestyle practices, health problems, and quality of life after coronary artery bypass grafting; Indian J Thorac Cardiovasc Surg (2018).
  11. Nair VV, Appukuttan M, Narayan KV, Thanathu Krishnan Nair J, Brucellosis after cardiac transplantation (In Press- Annals of thoracic surgery)
  12. Nair VV, Panicker BT, Thanathu Krishnan Nair J; Bilateral complete bony cervical ribs. (In Press-Asian Cardiovasc Thorac Ann)
  13. Nair VV, Babu A, TK J, Gold in the Lungs; (In Press annals of Cardiovascular and Thoracic annals)
  14. Vinitha V. Nair, Nidheesh Chooriyil, Joseph Thomas Kathayanat, Jayakumar Thanathu Krishnan Nair, Hemodynamically Stable Left Ventricular Pseudoaneurysm: Who Should Manage – Surgeon or Cardiologist? Journal of Clinical Cardiology and Diagnostics • Vol 1 • Issue 1 • 2018
  15. A composite right atrial colossus excision with atrial reconstruction via thoracotomy-an alternative approach Veerbhadran S, Radhakrishnan R, Sujatha D, Krishnan JT. A composite right atrial colossus excision with atrial reconstruction via thoracotomy-an alternative approach. Indian J ThoracCardiovasc Surg. 2019 Jul;35(3):507-509. doi: 10.1007/s12055-019-00795-1. Epub 2019 Mar 8. PMID: 33061039; PMCID: PMC7525732
  16. Dunbar syndrome-a reappraisal SivaprasadVeerbhadran 1, Sabin Sam Sambhasivan 1, JayakumarThanathu Krishnan . Indian J ThoracCardiovasc Surg. 2019 Jul;35(3):496-498. doi: 10.1007/s12055-018-00780-0. Epub 2019 Jan 29. PMID: 33061036; PMCID: PMC7525628.
  17. Mitral valve repair in chronic severe mitral regurgitation: short-term results and analysis of mortality predictors Vinitha Viswambharan Nair & Syam Das & Ramesh Bhaskaran Nair & Thomas Pandarakalam George & Joseph Thomas Kathayanat & Nidheesh Chooriyil & Ratish Radhakrishnan & Jayakumar Thanathu Krishnan Nair. Indian Journal of Thoracic and Cardiovascular Surgery 2021.
  18. Sajitha M, P Sukumaran, K P Venugopal , Jayakumar T K, Yield of ultrasound guided transthoracic needle aspiration in peripheral intrathoracic mass lesions. IP Indian Journal of Immunology and Respiratory Medicine,
  19. T.K. Jayakumar, Joseph Thomas, Dhaval Bhimani. How to Set a Heart Transplantation Unit in India-A Narrative Review, Indian Journal of Transplantation ¦ Volume 15 ¦ Issue 3 ¦ July September 2021.
  20. Predictors of atrial fibrillation after off pump coronary artery bypass graft-a prospective observational study Nidheesh Chooriyil1, Manjusha N. Pillai , Thanath K. N. Jayakumar, International Surgery Journal | November 2021 | Vol 8 | Issue 11 Page 3264, DOI:
  21. Post-operative atrial fibrillation in off pump coronary artery bypass graft: association with medication Nidheesh Chooriyil1, Thanathu Krishnan Nair Jayakumar , Dhanya Sasidharan Palappallil; International Journal of Research in Medical Sciences | November 2021 | Vol 9 | Issue 11 Page 3319, DOI:
  22. Phlebosclerosis of Great Saphenous Vein-Series of Cases During Coronary Artery Bypass Grafting (CABG) Dinesh Kumar Sathanantham , Jayakumar Thanathu Krishnan Nair , Joseph Thomas Kathayanat , Silpa S Raj; Acta Medica Iranica, Vol. 60, No. 10 (2022) 661
  23. The association of hyperhomocysteinemia with acute post-operative complications following coronary artery bypass grafting, Bipin Thomas Panicker , Sivaprasad Veerapudran , Deepthi Damodaran, Ronnie Thomas , Jayakumar Thanathu Krishnan , Asian Cardiovasc Thorac Ann, 2023 Feb 12; 2184923231156731. doi: 10.1177/021849232311567
  1. 60th Annual Conference of IACTS, February 2014, Kerala
  2. Speaker, 63rd Annual National Conference of IACTS, February 2017, Bengaluru
  3. Live Workshop on Pulmonary Thromboendarterectomy, March 2017, AIIMS, New Delhi
  4. Speaker, 5th Annual Conference of SfHFT , September 2017, Calicut
  5. 2nd Annual Conference of SMICTSI, Jaipur 2017
  6. Annual Conference of PCSI, October 2017, Mumbai
  7. Faculty, 3rd Amrita Heart Conclave November 2017, Kochi, Kerala
  8. Faculty, 4th Amrita Heart Conclave November 2018, Kochi, Kerala
  9. Faculty, 6th Annual Conference of SfHFT September 2018, Coimbatore, Tamilnadu
  10. Faculty, 8th International Aortic Summit November 2018, Chennai
  11. Cardiac Morphology Workshop 2018
  12. 19th Annual Conference of PCSI, September 2018, Gandhinagar, Gujarat
  13. A Comprehensive A to Z Symposium on Heart Failure and Transplantation, SfHFT 2019 Mumbai
  14. Heart & Lung Transplant Immunology Meet, January 2019, Ahmedabad
  15. Faculty, 5th Annual Conference of the Heart Failure Association of India , February 2019, New Delhi
  16. Faculty, 65th Annual Conference of IACTS, February 2019,Chennai
  17. Faculty, 2nd Annual Conference Heart Failure Foundation, July 2019, Bangalore
  18. Faculty, 4th Annual Conference of SMICTSI September, 2019, Mumbai
  19. 26th Annual Conference of the Vascular Society of India, October 2019, Hyderabad
  20. GKNMH 19th Annual Live workshop, November 2019, Coimbatore
  21. Faculty, Ist Bengaluru Live Valve Congress, November 2019, Bangalore
  22. Faculty, 2nd HFF conclave on advanced heart failure and transplant on 6th and 7th July 2019 at Bangalore
  23. Faculty, SfHFT Mid term Meeting, October 2020
  24. Faculty, Live training series for Aortic Valve Neocuspidization, December 2020, Dept. of CVTS, Govt. Medical College, Kottayam.
  25. Faculty, Bengaluru Live Valve Congress, December 2020
  26. Faculty, Asia Pacific Structural Heart Forum: Mastery of Mitral Therapies December, 2020
  27. Faculty, IACTS Techno-college July 2021, SCTIMST, Thiruvananthapuram
  28. Faculty, IACTS Cardiac CME & Midterm GBM, 18th & 19th September 2021, Chennai
  29. Faculty, ISMICS workshop along with 5th Annual Conference of SMICTSI (Hybrid Edition), 24th &25th September 2021, New Delhi.
  30. Faculty, ISOT-SfHFT Conference, Kochi, October 2021
  31. Faculty, Mitral Valve Repair Techniques Surgical Demonstration, November 2021, JIPMER, Puducherry.
  32. Faculty, Cardiac Surgical Skills Course – 2, Dept. of CTVS, Chettinad Super Specialty Hospital & Young Cardiac Surgeons Forum, December 2021, Chennai.
  33. Faculty, Heart Failure Surgical Conclave (virtual), HFAI, February 2022.
  34. Faculty IACTS 2022, Jaipur, April 2022
  35. Faculty, 6th Annual conference of SMICTSI 2022, Mamallapuram, Chennai.
  36. Faculty, 6th Annual Conference and Workshop of the Society of Minimally Invasive Cardiovascular and Thoracic Surgeons of India (SMICTSI), September 2022, Mamallapuram, Tamilnadu
  37. Faculty, Repair Conclave 2023, January, Chennai
  38. Faculty, IACTSCON 2023, February, Coimbatore
  39. Faculty, Intensive Mitral Valve Advanced Repair Workshop on May 22-24, 2023 at the Central Chest Institute of Thailand (CCIT), Nonthaburi, Thailand

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