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N Engl J Med. 2002 Mar 28;346(13):957-66.

Comparison of angioplasty with stenting, with or without abciximab, in acute myocardial infarction.

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  • 1Cardiovascular Research Foundation and Lenox Hill Heart and Vascular Institute, New York, NY 10022, USA. gstone@crf.org

Abstract

BACKGROUND:

As compared with thrombolytic therapy, primary percutaneous transluminal coronary angioplasty (PTCA) in acute myocardial infarction reduces the rates of death, reinfarction, and stroke, but recurrent ischemia, restenosis, and reocclusion of the infarct-related artery remain problematic. When used in combination with PTCA, coronary stenting and platelet glycoprotein IIb/IIIa inhibitors may further improve outcomes.

METHODS:

Using a 2-by-2 factorial design, we randomly assigned 2082 patients with acute myocardial infarction to undergo PTCA alone (518 patients), PTCA plus abciximab therapy (528), stenting alone with the MultiLink stent (512), or stenting plus abciximab therapy (524).

RESULTS:

Normal flow was restored in the target vessel in 94.5 to 96.9 percent of patients and did not vary according to the reperfusion strategy. At six months, the primary end point - a composite of death, reinfarction, disabling stroke, and ischemia-driven revascularization of the target vessel - had occurred in 20.0 percent of patients after PTCA, 16.5 percent after PTCA plus abciximab, 11.5 percent after stenting, and 10.2 percent after stenting plus abciximab (P<0.001). There were no significant differences among the groups in the rates of death, stroke, or reinfarction; the difference in the incidence of the primary end point was due entirely to differences in the rates of target-vessel revascularization (ranging from 15.7 percent after PTCA to 5.2 percent after stenting plus abciximab, P<0.001). The rate of angiographically established restenosis was 40.8 percent after PTCA and 22.2 percent after stenting (P<0.001), and the respective rates of reocclusion of the infarcted-related artery were 11.3 percent and 5.7 percent (P=0.01), both independent of abciximab use.

CONCLUSIONS:

At experienced centers, stent implantation (with or without abciximab therapy) should be considered the routine reperfusion strategy.

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PMID:
11919304
[PubMed - indexed for MEDLINE]
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