期刊
JOURNAL OF THE AMERICAN COLLEGE OF CARDIOLOGY
卷 43, 期 10, 页码 1765-1772出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jacc.2003.09.072
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OBJECTIVES We sought to evaluate the incidence, predictors, and outcomes of ventricular tachycardia and/or ventricular fibrillation (VT/VF) in the cardiac catheterization laboratory among patients undergoing primary percutaneous coronary intervention (PCI). BACKGROUND Although VT/VF has been known to occur during primary PCI, the current data do not identify patients at risk for these arrhythmias or the outcomes of such patients. METHODS We evaluated 3,065 patients enrolled in the Primary Angioplasty in Myocardial Infarction (PAMI) trials, who under-went primary PCI to evaluate the associations of VT/VF and the influence of these arrhythmias on in-hospital and one-year outcomes. RESULTS In patients undergoing primary PCI, VT/VF occurred in 133 (4.3%). Multivariate analysis identified the following as independent correlates of VT/VF: smoking (odds ratio [OR] 1.95, 95% confidence interval [CI] 1.26 to 3.02), tack of preprocedural beta-blockers (OR 2.34, 95% CI 1.35 to 4.07), time from symptom onset to emergency room of less than or equal to180 min (OR 2.63, 95% CI 1.42 to 4.89), initial Thrombolysis In Myocardial Infarction (TIMI) flow grade 0 (OR 2.06, 95% CI 1.23 to 3.47), and right coronary artery-related infarct (OR 1.93, 95% CI 1.25 to 2.99). Although patients with VT/VF had a higher incidence of bradyarrhythmias, hypotension, cardiopulmonary resuscitation, and endotracheal intubation in the catheterization laboratory, their in-hospital and one-year adverse outcomes were similar to those of the cohort without these arrhythmias. CONCLUSIONS Our findings suggest that the incidence of VT/VF during primary PCI is low, indicating that these arrhythmias do not influence PCI success or in-hospital or one-year outcomes. Our data further help identify patients at risk of VT/VF during primary PCI and suggest that pretreatment with beta-blockers should be strongly considered to reduce these arrhythmias. (C) 2004 by the American College of Cardiology Foundation.
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