TITLE

Characteristics, Treatment and Outcome of Patients with Non-ST-Elevation Acute Coronary Syndromes and Multivessel Coronary Artery Disease: Observations from PURSUIT (Platelet Glycoprotein IIb/IIIa in Unstable Angina: Receptor Suppression Using Integrelin Therapy)

AUTHOR(S)
Boersma, Eric; Breeman, Arno; Mercado, Nestor; Lenzen, Mattie; van den Brand, Marcel M.J.; Harrington, Robert A.; Califf, Robert M.; Topol, Eric J.; Simoons, Maarten L.
PUB. DATE
November 2002
SOURCE
Cardiology;2002, Vol. 98 Issue 4, p195
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Background: The 6-month clinical outcome of patients with multivessel disease enrolled in PURSUIT (Platelet Glycoprotein IIb/IIIa in Unstable Angina: Receptor Suppression Using Integrilin Therapy) is described. Patients with complete angiography data were included; multivessel disease was stratified according to the treatment strategy applied early during hospitalization, i.e. medical treatment, percutaneous coronary intervention (PCI) (balloon), PCI (stent), or coronary artery bypass grafting (CABG). Methods: Patients were divided into three groups according to the treatment strategy applied during the first 30 days of enrolment. Patients who did not undergo a percutaneous or surgical coronary intervention were classified as medically treated. Patients who underwent a PCI (prior to a possible CABG) were separated from those who underwent a CABG (prior to a possible PCI). The PCI group was further subdivided: patients receiving ≥1 coronary stents were separated from those in whom no stents were used. Results: The mortality rate at 30 days was 6.7, 3.9, 2.4 and 4.8% for the medical treatment, PCI (balloon), PCI (stent) and CABG groups, respectively (p value = 0.002). Differences as observed at 30 days were still present at 6-month follow-up with 11.1, 5.8, 5.5 and 6.5% mortality event rates for the aforementioned groups (p value = 0.002). The 30-day myocardial infarction (MI) rate according to the opinion of the Clinical Events Committee was lower among medically than non-medically treated patients, with the highest event rate observed in the CABG group (27.7%). Approximately half of the MIs in the PCI and CABG subgroups occurred within 48 h after the procedure. Conclusions: The observed differences in clinical outcomes are explained by an imbalance in baseline characteristics and comorbid conditions between the analyzed groups of patients.Copyright © 2002 S. Karger AG, Basel
ACCESSION #
11378435

 

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