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Video: Watch Vancouver doctors perform their innovative heart valve-replacement procedure Add to ...

Dr. John Webb and Dr. David Wood perform a trans-catheter aortic valve implantation (TAVI) surgery on a patient at St. Paul's Hospital in Vancouver. The procedure eliminates the need to open the chest, saw through the breastbone and put the patient on a heart-lung machine.Compared with open-heart surgery, patients who undergo TAVI tend to recover faster.The trans-arterial approach was the main innovation of the St. Paul's Hospital team, who built upon techniques developed elsewhere.