Chief, Pediatric Cardiac Surgery, The University of Tennessee Health Science Center

Executive Co-Director, Heart Institute, Le Bonheur Children's Hospital

Director, Cardiovascular Intensive Care Unit, Le Bonheur Children's Hospital

Professor, The University of Tennessee Health Science Center

Patient Care Emphasis

Neonatal and pediatric cardiovascular surgery, cardiopulmonary bypass, neonatal and pediatric Ebstein’s anomaly, Ross operation, endoscopic thoracic sympathectomy

Medical School

University of Cape Town, South Africa

Postgraduate Education

Master’s Degree in Cardiothoracic Surgery, 1986 (cum laude)

Fellowship in Pediatric Cardiac Surgery with Professor Marc deLeval at Great Ormond Street, London, 1990

Fellowship in Pediatric Cardiothoracic Surgery, Mayo Clinic and Boston Children’s Hospital, 1991

Board Certification

South African Medical & Dental Council, Cardiothoracic Surgery


Groote Schuur Hospital, South Africa - Cardiac Surgery

Awards and Honors

Received the American Heart Association's highest honor "Medal of Valor" in June 1996, for service in aftermath of the Murrah Building bombing in Oklahoma City on April 19 1995

Private audience with Pope John Paul I 1998

Private audience with President Nelson Mandela 2008

Distinguished Grand Master Award of the American Board of Cardiology  2011

Professional Memberships

American Association of Thoracic Surgery

American Association of University Professor, American College of Surgeons

Congenital Heart Surgeons Society

Society of Pediatric Cardiovascular Surgery

Society of Thoracic Surgeons

Southern Thoracic Surgical Association

Selected Research

Knott-Craig CJ, Tadphale SD. Surprised, but not perplexed! Ann Thorac Surg. 2021 Feb 10:S0003-4975(21)00264-2. doi: 10.1016/j.athoracsur.2020.12.066. Epub ahead of print. PMID: 33581160.

Rebolledo MA, Kumar TKS, Tansey JB, Pickens B, Allen J, Hanafin HJ, Boston US, Knott-Craig CJ. Single Institution Experience With International Referrals for Pediatric Cardiac Surgery. World J Pediatr Congenit Heart Surg. 2020 Nov;11(6):727-732. doi: 10.1177/2150135120937230. PMID: 33164680.

Maller VV, Cohen HL, Boston U, Sainathan S, Knott-Craig CJ. Virtual endoluminal aortic root views determined at coronary CT angiography - an important tool for improving anomalous coronary artery visualization and surgical planning. Pediatr Radiol. 2021 Feb;51(2):296-306. doi: 10.1007/s00247-020-04775-1. Epub 2020 Sep 5. PMID: 32889583.

Tadphale SD, Ramakrishnan K, Spentzas T, Kumar TKS, Allen J, Staffa SJ, Zurakowski D, Bigelow WA, Gopal SH, Boston US, Jonas RA, Knott-Craig CJ. Impact of Different Cardiopulmonary Bypass Strategies on Renal Injury After Pediatric Heart Surgery. Ann Thorac Surg. 2021 Apr;111(4):1374-1379. doi: 10.1016/j.athoracsur.2020.05.056. Epub 2020 Jun 27. PMID: 32603703.

Sainathan S, da Fonseca da Silva L, da Silva JP. Ebstein's anomaly: contemporary management strategies. J Thorac Dis. 2020 Mar;12(3):1161-1173. doi: 10.21037/jtd.2020.01.18. PMID: 32274197; PMCID: PMC7139083.

Kumar TKS, Knott-Craig CJ. Commentary: Aorto-Ventricular Tunnel: More Than a Mere Tunnel! Semin Thorac Cardiovasc Surg. 2020 Summer;32(2):281. doi: 10.1053/j.semtcvs.2020.02.026. Epub 2020 Feb 27. PMID: 32112971.