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Six-month outcomes of percutaneous coronary balloon angioplasty in acute coronary syndromes: Results from the PURSUIT trial.

AbstractBACKGROUND:
Potent inhibition of the platelet glycoprotein IIb/IIIa receptor has improved the acute outcome of patients presenting with acute coronary syndromes (ACS). For patients with ACS undergoing percutaneous balloon angioplasty without coronary stenting in the era of platelet glycoprotein IIb/IIIa blockade, the long-term prognosis is less clear.
OBJECTIVE:
To examine the six-month outcome of patients who received eptifibatide within a randomized clinical trial and subsequently underwent balloon angioplasty.
METHODS:
Patients included in this substudy were enrolled in the Platelet Glycoprotein IIb/IIIa in Unstable Angina: Receptor Suppression Using Integrilin Therapy (PURSUIT) trial, a randomized study evaluating the efficacy of eptifibatide in reducing the incidence of death or nonfatal myocardial infarction (MI) in non-ST segment elevation ACS. During the index hospitalization, 1151 (12.2%) of the PURSUIT patients underwent percutaneous balloon angioplasty without coronary stenting.
RESULTS:
Eptifibatide was associated with a significant reduction in the adjudicated composite end point of death or MI at six months after randomization in patients undergoing percutaneous transluminal coronary angioplasty (PTCA) (P=0.037). A trend toward a beneficial effect was evident before the procedure (4.7% versus 6.9%; P=0.13) and at 30 days (12.1% versus 15.3%; P=0.12). The incidence of repeat revascularization was relatively low for patients undergoing PTCA, with no difference observed between the eptifibatide and placebo groups (16.3% versus 14.8%; P=0.51).
CONCLUSIONS:
Eptifibatide was associated with a sustained beneficial effect to six months in patients with ACS undergoing PTCA. It reduced the incidence of preprocedural MI. The rate of repeat revascularization at six months was low and was not significantly altered by eptifibatide.
AuthorsMarino Labinaz, Padma Kaul, Robert A Harrington, Wei-Ching Chang, Neal S Kleiman, Maarten L Simoons, Eric Boersma, K Martijn Akkerhuis, Robert M Califf, Paul W Armstrong,
JournalThe Canadian journal of cardiology (Can J Cardiol) Vol. 20 Issue 8 Pg. 773-8 (Jun 2004) ISSN: 0828-282X [Print] Canada
PMID15229770 (Publication Type: Clinical Trial, Comparative Study, Journal Article, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
Chemical References
  • Peptides
  • Platelet Aggregation Inhibitors
  • Platelet Glycoprotein GPIIb-IIIa Complex
  • eptifibatide
Topics
  • Acute Disease
  • Angioplasty, Balloon, Coronary (methods, statistics & numerical data)
  • Coronary Angiography
  • Coronary Disease (epidemiology, therapy)
  • Double-Blind Method
  • Female
  • Humans
  • Male
  • Middle Aged
  • Myocardial Infarction (epidemiology, therapy)
  • Peptides (therapeutic use)
  • Platelet Aggregation Inhibitors (therapeutic use)
  • Platelet Glycoprotein GPIIb-IIIa Complex (antagonists & inhibitors)
  • Retreatment (statistics & numerical data)
  • Risk Factors
  • Survival Analysis
  • Syndrome
  • Time Factors
  • Treatment Outcome

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