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Department of Cardiology, Thorax Center, University Medical Center Groningen, Groningen, the Netherlands
Department of Cardiology, Thorax Center, University Medical Center Groningen, Groningen, and Interuniversity Cardiology Institute Netherlands, Utrecht, the Netherlands
Background. We investigated the association between clinical characteristics, angiographic data and ventricular arrhythmia in patients with ST-elevation myocardial infarction (STEMI) treated with primary percutaneous coronary intervention (PCI)
Methods. In patients with STEMI (n=225), a Holter analysis was performed the first 12 hours after primary PCI.
Results. A total of 151 (66%) patients had ≥1 episode of ventricular tachycardia (VT). Age <70 years (RR 4.9, 95% CI 1.8 to 12.7), TIMI 0-1 pre-PCI (RR 2.6, 95% CI 1.1 to 6.1) and peak CK (RR 3.5, 95% CI 1.9 to 5.8) were independent predictors of VT. One-year mortality was 7%, no association between mortality and presence of early VT was found.
Conclusion. Ventricular tachycardia is common in the first 12 hours after primary PCI for STEMI. Independent predictors of VT are younger age, TIMI 0-1 flow prior to PCI and larger infarct size. The presence of early VT was not significantly associated with one-year mortality. (Neth Heart J 2010;18:122-8.)
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