<qa>  What is the SMART trial designed to compare completeness of revascularization,The Surgical Management of Arterial Revascularization Therapies SMART trial is a randomized, controlled, double blinded trial designed to compare completeness of revascularization, graft patency, clinical outcomes, health-related quality of life and costs in 200 unselected patients referred for elective, isolated coronary bypass surgery and randomized to have coronary artery bypass performed with or without cardiopulmonary bypass. These patients were enrolled between March 2000 to August 2001. 