Abstract: The aim was to investigate the coronary angiographic findings and clinical features of acute myocardial infarction(AMI) patients in premenopausal women and young men. Altogether 51 AMI patients(27 men, age<40 years old; 24 premenopausal women) were identified by coronary angiography to analysis their disease history, cardiovascular risk factors, angiographic data and prognosis. The mean risk factors was 2.3 in women, including: family history 19(79.2%), hypercholesterolemia 12(50.0%), hypertension 10(41.7%), diabetes 8(33.3%), smoking 1(4.2%). The mean risk factors was 3.1 in men, which were: smoking 26(96.3%), hypercholesterolemia 19(70.4%),family history 17(63.0%), hypertension 14(51.9%),diabetes 7(25.9%). Angiographic findings reveals: one-vessel disease was 51.9% in men, multi-vessel disease was 58.3% in women. The rates of angiographic therapy success was similar in the men and women and were excellent. Angiographic follow-up: 4 in men developed restenosis, none in women. The results suggest coronary artery atherosclerosis is the major cause of AMI in young men and premenopausal women. The more frequency of multiple risk factors is the characteristic of young AMI patients, and family history lies in the first in women, smoking is a marked risk factor in men.

Key words: acute myocardial infarction, young patients, risk factors