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Randomized trial of stents versus bypass surgery for left main coronary artery disease.

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dc.contributor.authorPark, SJ-
dc.contributor.authorKim, YH-
dc.contributor.authorPark, DW-
dc.contributor.authorYun, SC-
dc.contributor.authorAhn, JM-
dc.contributor.authorSong, HG-
dc.contributor.authorLee, JY-
dc.contributor.authorKim, WJ-
dc.contributor.authorKang, SJ-
dc.contributor.authorLee, SW-
dc.contributor.authorLee, CW-
dc.contributor.authorPark, SW-
dc.contributor.authorChung, CH-
dc.contributor.authorLee, JW-
dc.contributor.authorLim, DS-
dc.contributor.authorRha, SW-
dc.contributor.authorLee, SG-
dc.contributor.authorGwon, HC-
dc.contributor.authorKim, HS-
dc.contributor.authorChae, IH-
dc.contributor.authorJang, Y-
dc.contributor.authorJeong, MH-
dc.contributor.authorTahk, SJ-
dc.contributor.authorSeung, KB-
dc.description.abstractBACKGROUND: Percutaneous coronary intervention (PCI) is increasingly used to treat unprotected left main coronary artery stenosis, although coronary-artery bypass grafting (CABG) has been considered to be the treatment of choice.

METHODS: We randomly assigned patients with unprotected left main coronary artery stenosis to undergo CABG (300 patients) or PCI with sirolimus-eluting stents (300 patients). Using a wide margin for noninferiority, we compared the groups with respect to the primary composite end point of major adverse cardiac or cerebrovascular events (death from any cause, myocardial infarction, stroke, or ischemia-driven target-vessel revascularization) at 1 year. Event rates at 2 years were also compared between the two groups.

RESULTS: The primary end point occurred in 26 patients assigned to PCI as compared with 20 patients assigned to CABG (cumulative event rate, 8.7% vs. 6.7%; absolute risk difference, 2.0 percentage points; 95% confidence interval [CI], -1.6 to 5.6; P=0.01 for noninferiority). By 2 years, the primary end point had occurred in 36 patients in the PCI group as compared with 24 in the CABG group (cumulative event rate, 12.2% vs. 8.1%; hazard ratio with PCI, 1.50; 95% CI, 0.90 to 2.52; P=0.12). The composite rate of death, myocardial infarction, or stroke at 2 years occurred in 13 and 14 patients in the two groups, respectively (cumulative event rate, 4.4% and 4.7%, respectively; hazard ratio, 0.92; 95% CI, 0.43 to 1.96; P=0.83). Ischemia-driven target-vessel revascularization occurred in 26 patients in the PCI group as compared with 12 patients in the CABG group (cumulative event rate, 9.0% vs. 4.2%; hazard ratio, 2.18; 95% CI, 1.10 to 4.32; P=0.02).

CONCLUSIONS: In this randomized trial involving patients with unprotected left main coronary artery stenosis, PCI with sirolimus-eluting stents was shown to be noninferior to CABG with respect to major adverse cardiac or cerebrovascular events. However, the noninferiority margin was wide, and the results cannot be considered clinically directive. (Funded by the Cardiovascular Research Foundation, Seoul, Korea, and others; PRECOMBAT number, NCT00422968.).
dc.subject.MESHAngioplasty, Balloon, Coronary-
dc.subject.MESHCardiovascular Diseases-
dc.subject.MESHCoronary Artery Bypass-
dc.subject.MESHCoronary Stenosis-
dc.subject.MESHDrug-Eluting Stents-
dc.subject.MESHFollow-Up Studies-
dc.subject.MESHKaplan-Meier Estimate-
dc.subject.MESHMiddle Aged-
dc.subject.MESHMyocardial Ischemia-
dc.subject.MESHProspective Studies-
dc.titleRandomized trial of stents versus bypass surgery for left main coronary artery disease.-
dc.contributor.affiliatedAuthor탁, 승제-
dc.type.localJournal Papers-
dc.citation.titleThe New England journal of medicine-
dc.identifier.bibliographicCitationThe New England journal of medicine, 364(18). : 1718-1727, 2011-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Cardiology
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