Early angioplasty in acute coronary syndromes without persistent ST-segment elevation improves outcome but increases the need for six-month repeat revascularization: An analysis of the PURSUIT trial

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Abstract

OBJECTIVES: We explored the effect of timing of percutaneous coronary intervention (PCI) in acute coronary syndromes (ACS) without persistent ST-segment elevation on the need for repeat revascularization, and we related this effect to other events. BACKGROUND: Percutaneous coronary intervention is widely used to treat ACS without persistent ST-segment elevation. Moreover, restenosis and subsequent revascularization after PCI are more frequent in ACS than in stable angina. The optimal timing of PCI in ACS without persistent ST-segment elevation is unknown. METHODS: In the Platelet glycoprotein IIb/IIIa in Unstable angina: Receptor Suppression Using Integrilin Therapy (PURSUIT) database, patients were stratified by the time of PCI. In the PURSUIT trial, 9,461 patients received a platelet glycoprotein IIb/IIIa inhibitor, eptifibatide or placebo for 72 h. The investigators decided on other treatments. RESULTS: A total of 2,430 patients underwent PCI within 30 days. Repeat revascularization (during 165 days) was notably higher for PCI within 24 h of enrollment (n = 620 [19%]) than for PCI at 24 to 72 h (n = 624 [16.7%]), 3 to 7 days (n = 614 [13.2%]), or 8 to 30 days (n = 561 [7.7%]; p < 0.001), regardless of eptifibatide use. This gradual reduction in the revascularization rate for later PCI was also observed after multivariate analysis correcting for baseline characteristics and with time as a continuous variable. CONCLUSIONS: Percutaneous coronary intervention within 24 is associated with improved outcome (other analysis) but more repeat revascularization. Prospective analyses are needed to test the hypothesis that rapid PCI in ACS with a platelet glycoprotein IIb/IIIa receptor antagonist reduces myocardial infarction (and possibly death) and is therefore most suited for patents at highest risk of infarction, despite a higher need for repeat revascularization. © 2002 by the American College of Cardiology Foundation.

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Ronner, E., Boersma, E., Laarman, G. J., Somsen, G. A., Harrington, R. A., Deckers, J. W., … Simoons, M. L. (2002). Early angioplasty in acute coronary syndromes without persistent ST-segment elevation improves outcome but increases the need for six-month repeat revascularization: An analysis of the PURSUIT trial. Journal of the American College of Cardiology, 39(12), 1924–1929. https://doi.org/10.1016/S0735-1097(02)01897-1

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