Journal
CLINICAL RESEARCH IN CARDIOLOGY
Volume 98, Issue 3, Pages 165-170Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00392-008-0735-9
Keywords
TIMI flow; primary percutaneous coronary intervention; acute myocardial infarction; follow up; no reflow phenomenon
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Growing evidence suggests that poor coronary blood flow after primary percutaneous coronary intervention (PCI) is associated with unfavorable clinical out-come. We retrospectively evaluated data from our single center real world patients database of patients undergoing primary PCI to determine differences in clinical and angiographic patterns in patients with or without restoring thrombolysis in myocardial infarction (TIMI) flow 3. Between 2001 and 2006, 500 patients underwent primary PCI for STEMI. In 430 patients, post-interventional TIMI flow 3 could be established. In this group, in-hospital mortality was significant lower (6.4% Vs. 32.9%; P < 0.0001), left ventricular ejection fraction was better (51.3 Vs. 44.2%; P < 0.0001), and prehospital fibrinolytic therapy (6.3% Vs. 14.3%; P = 0.015), cardiogenic shock (10.9% Vs. 24.3%; P = 0.002) and use of intra-aortic balloon pump were all more unlikely (5.8% Vs. 11.4%; P = 0.045) compared to patients with TIMI flow a parts per thousand currency sign 2. In patients with post-interventional TIMI flow a parts per thousand currency sign 2 the left anterior descending coronary artery (LAD) was significantly more often seen as the target vessel (54.3% Vs. 44.6%; P = 0.039). 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). 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. Post-interventional TIMI flow a parts per thousand currency sign 2 is strongly associated with adverse out-come during hospitalization and after 6 months following hospitalization.
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