Tirone E. David

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Tirone Esperidiao David, OC, OOnt, FRCS (born November 20, 1944) is a Brazilian-born cardiac surgeon and professor of surgery at the University of Toronto. He is an attending cardiac surgeon at the Peter Munk Cardiac Centre, Toronto General Hospital. In 2007, Dr. David is most well known for developing a valve sparing aortic root replacement procedure to preserve the aortic valve in patients with aortic root aneurysms such as in Marfan syndrom. It is now known as the " David Operation". He travels extensively to other countries to speak and demonstrate surgical techniques. He has published extensively in peer reviewed journals, is the author of many chapters in surgical textbooks, and is the editor or co-editor of 5 surgical textbooks. He was an officer of the American Association for Thoracic Surgery for many years and became president in 2005.

Early Life and Education[edit]

Born in Ribeirão Claro, Brazil, he graduated from the Universidade Federal do Paraná as a medical doctor in 1968. He trained in surgery at Downstate Medical Center, State University of New York and Cleveland Clinic in Cleveland. In 1975, he came to Toronto to train in cardiovascular and thoracic surgery at the University of Toronto.


He joined the academic staff of Toronto General Hospital in July 1978. He was chief of cardiovascular surgery at Toronto Western Hospital from 1980 through 1989 and Toronto General Hospital from 1989 through 2011. In 2004, he was elected University Professor, the highest honour the University of Toronto bestows its professors.

Dr. David has received numerous awards. In 1993 he was elected as a member of the Order of Ontario, and in 1996, he was made an Officer of the Order of Canada.

Dr. David is a member of the Canadian Marfan Association's Professional Advisory Board.