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Identifying patients with out-of-hospital cardiac arrest who will benefit from early percutaneous coronary intervention (PCI) after return of spontaneous circulation is challenging. To determine whether admission troponin I level predicts need for immediate PCI, researchers in France retrospectively analyzed a prospective electronic registry of out-of-hospital cardiac arrest in Paris, France, from 2003 through 2008. The study included 422 consecutive patients (median age, 59) without obvious extracardiac causes of arrest who had troponin I measured at admission and underwent immediate postresuscitation PCI.
Coronary angiography detected recent occlusion in 193 patients (46%). The optimum troponin I cutoff for predicting recent coronary occlu…