Type of Surgery
This 3D animation explains how the heart muscle contracts to pump blood throughout the body. The action of cells at the microscopic level affects the function of the entire cardiovascular system, as the video explains.
How many open-heart surgeries are performed each year? In 2005 in the United States, these procedures were performed: Valve replacements 106,000 Bypass (cardiac revascularization) 469,000 Heart transplants (performed in 2006) 2,192 Total open-heart procedures 699,000.
From: American Heart Association
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