Coronary Artery Surgery Study (CASS)
To compare coronary artery surgery with medical management in patients with coronary artery disease and to maintain a registry on all patients undergoing coronary arteriography, whether operatively or medically managed.
Procedure: coronary artery bypass
|Study Design:||Allocation: Randomized
Primary Purpose: Treatment
|Study Start Date:||June 1973|
|Estimated Study Completion Date:||December 1996|
|Investigator:||Kathryn Davis||University of Washington|