[Comparison of coronary angioplasty results in two groups of patients with myocardial infarction: aged 40 years or younger, and older than 40 years--an in-hospital observation].

The aim of the study was a comparison of coronary angioplasty as the method of myocardial infarction treatment in the two groups of patients: 1st--aged 40 years and younger, and 2nd--older than 40 years of age. The 1st group consisted of 50 patients in the mean age of 36.5 +/- 3.5 years, the 2nd group included 617 patients in the mean age of 58.3 +/- 10.1 years. There was no difference between the two groups in pain duration, infarct localization, thrombolysis, and cardiogenic shock. The younger compared with the older patients were significantly more often of male gender: 45 (90.0%) vs 456 (73.9%), (p = 0.01). The young patients were more often smokers: 41 (82.0%) vs 393 (64.0%), (p = 0.01). There was no significant difference in an incidence of other coronary risk factors. Coronary angiogram showed that there was no significant difference between the both groups in the infarct-related artery localization, TIMI flow before PTCA and number of stenosed arteries. The frequency successful PTCA (TIMI 3 flow, residual stenosis below 30%) was similar in both groups: 45 (90.0%) vs 549 (89.1%), (p = 0.3). There was no significant difference between two groups in the efficacy of treatment, incidence of reocclusion, complications, and mortality during hospitalization.