Facebook Pixel Code
About Sickkids
About SickKids

Christopher Caldarone, MD, FRCSC

The Hospital for Sick Children
Department of Surgery

Staff Cardiovascular Surgeon
Cardiovascular Surgery

Perioperative Services

Research Institute
Senior Associate Scientist
Translational Medicine

Phone: 416-813-7794
Fax: 416-813-7369
Email: christopher.caldarone@sickkids.ca
Alternate Contact: Leslie Jones
Alternate Phone: 416-813-5102

Research Interests

Pulmonary Vein Stenosis

Pulmonary Vein Stenosis is a major unsolved problem in congenital heart disease. When limited to the junction of the pulmonary veins in the left atrium, surgical therapy is often successful. Unfortunately, pulmonary vein vasculopathy often extends upstream into the lung parenchyma with a very high mortality rate. We are examining pelagic mechanisms of upstream pulmonary vein stenosis using cell-based, mouse and porcine models.

Cardiovascular Data Management Centre

The Cardiovascular Data Management Centre (CVDMC) collects clinical data from patients with cardiovascular disease across the entire University of Toronto. The data is aggregated in a linkage-rich environment which fosters quality improvement initiatives and clinical research.


  • 2016 – Robert B. Salter Chair of Surgical Research
  • 2009-16 – Chair, Division of Cardiac Surgery, University of Toronto
  • 2015 – Surgeon-in-Chief, Department of Surgery
  • 2013 – Associate Editor, Journal of Thoracic and Cardiovascular Surgery
  • 2009 – Chair, Division of Cardiac Surgery, University of Toronto
  • 2007 – Editorial Board, Journal of Thoracic and Cardiovascular Surgery


1. Haller C, Chetan D, Saedi A, Parker R, Van Arsdell GS, Caldarone CA, Honjo O.(2016). Geometry of the Aortic Arch After Initial Hybrid or Norwood Palliation.Ann Thorac Surg.July 2016(July 2016): July 2016. 

2. Wilder TJ, Van Arsdell GS, Pham-Hung E, Gritti M, Hussain S, Caldarone CA, Redington A, Hickey EJ. (2016). Aggressive patch augmentation may reduce growth potential of hyoplastic branch pulmonary arteries after Tetralogy of Fallot repair.Ann Thorac Surg. 101(3): 996-1004. 

3. Grotenhuis HB, Ruijsink B, Chetan D, Dragulescu A, Friedberg MK, Kotani Y, Caldarone CA, Honjo O, Mertens LL.(2016). Impact of Norwood versus hybrid palliation on cardiac size and function in hypoplastic left heart syndrome. [Epub ahead of print]. Heart. 102(12): 966-74. 

4. Parvin Nejad S, Blaser MC, Santerre JP, Caldarone CA, Simmons CA. (2016). Biomechanical conditioning of tissue engineered heart valves: Too much of a good thing?. Adv Drug Deliv Rev. 15(96): 161-75.Co-Author 

5. Keir M, Spears D, Caldarone C, Crean AM.(2016). Proving the innocence of a "malignant" coronary artery: Calling dobutamine stress CT for the defence!. J Cardiovasc Comput Tomogr. S1934-5925(16): 30145-9.Co-Author 

6. Sandoval JS, Chaturvedi R, Benson L, Morgan G, Van Arsdell G, Honjo O, Caldarone CA, Lee KJ.(2016). Right ventricular outflowtract-stending in tetralogy of Fallot infants with risk factors for earlyprimary repair. Circulation: Cardiovsacular Interventions.