Five hundred patients underwent primary angioplasty for myocardial infarction. The baseline characteristics are listed in Table 1. After 6 months, patients without restored normal TIMI flow had worse New York Heart Association functional class (NYHA), and had to undergo repeat coronary angiography more often. A regressions analysis showed that predictors leading to such flow patterns are diabetes ( P = 0.013), pre-hospital fibrinolytic therapy ( P = 0.017), cardiogenic shock ( P = 0.002) and a 3-vessel disease ( P = 0.003). In patients with post-interventional TIMI flow ≤ 2 the left anterior descending coronary artery (LAD) was significantly more often seen as the target vessel (54.3% Vs. 24.3% P = 0.002) and use of intra-aortic balloon pump were all more unlikely (5.8% Vs. 32.9% P < 0.0001), left ventricular ejection fraction was better (51.3 Vs. In this group, in-hospital mortality was significant lower (6.4% Vs. In 430 patients, post-interventional TIMI flow 3 could be established.
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