number of days in patient for a coronary bypass
The surgeon may choose to use an artery from the inside of your chest wall (the internal mammary artery) instead. Or the surgeon may use both for grafts. The procedure can take from 2 to 6 hours, depending on the number of bypasses needed. View of a coronary artery bypass operation from observation dome overhead. Recovery Time. You can expect to stay in the hospital for about a week, including at least 1 to 3 days in the Intensive Care Unit (ICU).