Background and Objective: Cardiovascular diseases is the first cause of mortality in developed and developing countries. This study was done to determine findings of coronary arteries angiography of subjects referring to Kosar angiography center in Golestan province, Iran.

Materials and Methods: In this descriptive study 5444 patients whome referred to the Kosar angiography center in Golestan province, Northern Iran undervent in this study during 2008-09. Gender, age, ethnicity, body mass index (BMI), cigarette smoking, opium, hypertension and coronary arteries angiography findings were completed for each subjects. Coronary arteries angiography was performed on 5400 of subjects. Data was analyzed by using SPSS-13, ANOVA, Chi-Square and Kruskal-Wallis tests.

Results: In this study 52% of subjects were men. 72% of patients were Native Fars. 49.5% of subjects were found to be illiterate. While 92.6% of clients did not reported any history of smoking, 22.5% of subjects were addicted to different opium. The mean BMI was 27.48 and 38.2% of clients reported a history of hypertension. Coronary arteries angiography was performed on 5400 of subjects. Coronary arteries disorders were determined in 3142 of subjects (58.8% males, 41.2% females). Left anterior descending, right coronary artery, circumflex and obtuse marginal were the most involved coronary arterial branches in positive angiograms, respectively.The most severe failure (47.7%) has been found in left anterior descending artery.

Conclusion: Due to high incidence of coronary arteries disease in this region of Iran, it is suggested to design a project to investigate the preventive mearsures of cardiovascular disorders.