European heart journal · 2010
Factors related to heart rupture in acute coronary syndromes in the Global Registry of Acute Coronary Events.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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López-Sendón José, Gurfinkel Enrique P, Lopez de Sa Esteban, Agnelli Giancarlo, Gore Joel M, Steg Phillippe Gabriel, Eagle Kim A, Cantador Jose Ruiz, Fitzgerald Gordon, Granger Christopher B, Global Registry of Acute Coronary Events (GRACE) Investigators
Аннотация
AIMS: To determine the incidence and factors associated with heart rupture (HR) in acute coronary syndrome (ACS) patients.
METHODS AND RESULTS: Among 60 198 patients, 273 (0.45%) had HR (free wall rupture, n = 118; ventricular septal rupture, n = 155). Incidence was 0.9% for ST-segment elevation myocardial infarction (STEMI), 0.17% for non-STEMI, and 0.25% for unstable angina. Hospital mortality was 58 vs. 4.5% in patients without HR (P < 0.001). The incidence was lower in STEMI patients with primary percutaneous coronary intervention (PCI) than in those without (0.7 vs. 1.1%; P = 0.01), but primary PCI was not independently related to HR in adjusted analysis (P = 0.20). Independent variables associated with HR included: ST-segment elevation (STE)/left bundle branch block; ST-segment deviation; female sex; previous stroke; positive initial cardiac biomarkers; older age; higher heart rate; systolic blood pressure/30 mmHg decrease. Conversely, previous MI and the use of low-molecular-weight heparin and beta-blockers during first 24 h were identified as protective factors for HR.
CONCLUSION: The incidence of HR is low in patients with ACS, although its incidence is probably underestimated. Heart rupture occurs more frequently in ACS with STE and is associated with high hospital mortality. A number of variables are independently related to HR.
METHODS AND RESULTS: Among 60 198 patients, 273 (0.45%) had HR (free wall rupture, n = 118; ventricular septal rupture, n = 155). Incidence was 0.9% for ST-segment elevation myocardial infarction (STEMI), 0.17% for non-STEMI, and 0.25% for unstable angina. Hospital mortality was 58 vs. 4.5% in patients without HR (P < 0.001). The incidence was lower in STEMI patients with primary percutaneous coronary intervention (PCI) than in those without (0.7 vs. 1.1%; P = 0.01), but primary PCI was not independently related to HR in adjusted analysis (P = 0.20). Independent variables associated with HR included: ST-segment elevation (STE)/left bundle branch block; ST-segment deviation; female sex; previous stroke; positive initial cardiac biomarkers; older age; higher heart rate; systolic blood pressure/30 mmHg decrease. Conversely, previous MI and the use of low-molecular-weight heparin and beta-blockers during first 24 h were identified as protective factors for HR.
CONCLUSION: The incidence of HR is low in patients with ACS, although its incidence is probably underestimated. Heart rupture occurs more frequently in ACS with STE and is associated with high hospital mortality. A number of variables are independently related to HR.