Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 21 1-4 1992 12 15 1 10 "D.D. Farhud M. Aghakhan Mohebb I. Farhud H. Khavari - Khorasani " 2015 10 03 ABO and Rh blood groups were studied in a total of 1680 patients with cardiovascular diseases (congenital n=547, valvular n=887 and coronary n=246). Statistical analysis (X2and Woolf’s Test) showed significant excess of B/O in mitral valve, aortic valve total valvular diseases and heart diseases generally, also an increase of A/O in myocardial infarction. Significant increase of the frequency of Rh(D) positive individuals, was shown in myocardial infarction and total heart diseases. https://ijph.tums.ac.ir/index.php/ijph/article/view/1602 https://ijph.tums.ac.ir/index.php/ijph/article/download/1602/1583