Association of angiotensin-converting enzyme gene variations with coronary artery disease in the Iranian population.

Background: The purpose of this study was to identify the angiotensin-converting enzyme (ACE) gene (I/D) variations in CAD patients and healthy controls in an Iranian population (West Azerbaijan province of Iran).

Method: This cross-sectional study included 95 CAD patients and 203 healthy controls. ACE I/D polymorphisms were assessed using PCR, and their frequency was determined.