Coronary dominance in south Indian population

Coronary artery anomalies are considered clinically insignificant and known to be associated with other congenital heart defects, myocardial ischemia and reduced life expectancy. Almost all elderly people have at least some impairment of coronary artery circulation. Therefore normal and pathological physiology of coronary circulation is one of the most important aspects in the entire field of medicine. In our study we dissected 80 human heart specimens to observe the coronary arteries from their origin to termination. We found 69 out of 80 are showing the right predominance (86.25%), 9 specimens with left predominance (11.26%) and remaining 2 of the balanced (2.5%) type of coronary circulation. The results of the study were compared with other literatures and variations are noted. In some cases we observed left predominance in males which indicates the reason for higher incidence of myocardial infarction in males when compared to females.