期刊
CATHETERIZATION AND CARDIOVASCULAR INTERVENTIONS
卷 89, 期 3, 页码 351-366出版社
WILEY
DOI: 10.1002/ccd.26652
关键词
activated clotting time; glycoprotein IIb/IIIa inhibitors; meta-regression; percutaneous coronary intervention; systematic review; unfractionated heparin
资金
- Lady Davis Institute Clinical Research Pilot Project
Background: Guidelines recommend routine monitoring of unfractionated heparin (UFH) with activated clotting time (ACT) during percutaneous coronary intervention (PCI). However, the optimal ACT for patients undergoing PCI is unclear. Methods: We sought to determine the association of peak ACT during PCI with 30-day major adverse cardiac events (MACE; all-cause mortality, myocardial infarction, and revascularization) and bleeding events. We searched the Cochrane Central Register of Controlled Trials, EMBASE, and Medline for randomized controlled trials (RCTs) evaluating UFH through May 2015. Only patients randomized to UFH alone or to UFH with a glycoprotein IIb/IIIa inhibitor (GPI) were analyzed using Bayesian meta-regression. Results: Among 13 included RCTs (n = 17455), eight (n = 5521) included study arms of UFH alone and 12 (n = 11934) included arms of UFH with a GPI. Peak ACT ranged from 201 to 460 sec for UFH alone and 248-317 sec for UFH with a GPI. With UFH alone, the probability of MACE was 7.0% (95% credible interval [CrI] 1.5, 31.5) for a peak ACT of 200 sec and 5.8% (95% CrI 2.6, 12.0) for 300 sec. Among UFH with a GPI, the probability of MACE was 2.8% (95% CrI 0.8, 6.8) for a peak ACT of 200 sec and 7.2% (95% CrI 5.4, 9.7) for 300 sec. Conclusion: Among individual RCTs, the probability of MACE and major bleeding events associated with low versus high values of peak ACT is inconsistent. Our meta-regression results are inconclusive, emphasizing the need for RCTs comparing low versus high doses of UFH. (C) 2016 Wiley Periodicals, Inc.
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