101. Associations between use of prasugrel vs clopidogrel and outcomes by type of acute coronary syndrome
- Author
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Bimmer E. Claessen, Roxana Mehran, Shawn X. Li, Sandra Weiss, Stuart Keller, Zhen Ge, Stuart J. Pocock, Brian A. Baker, George Dangas, Samir R. Kapadia, Timothy D. Henry, Jaya Chandrasekhar, Catalin Toma, Anthony C. DeFranco, Annapoorna Kini, Brent Muhlestein, Usman Baber, Mark B. Effron, Rishi Chandiramani, Sunil V. Rao, Craig Strauss, Samantha Sartori, and Cardiology more...
- Subjects
Male ,medicine.medical_specialty ,Acute coronary syndrome ,Prasugrel ,medicine.medical_treatment ,Hemorrhage ,030204 cardiovascular system & hematology ,Percutaneous coronary intervention ,03 medical and health sciences ,0302 clinical medicine ,Internal medicine ,medicine ,Humans ,Angina, Unstable ,Registries ,cardiovascular diseases ,030212 general & internal medicine ,Myocardial infarction ,Non-ST Elevated Myocardial Infarction ,Aged ,Retrospective Studies ,Unstable angina ,business.industry ,Hematology ,Middle Aged ,medicine.disease ,Clopidogrel ,United States ,Treatment Outcome ,Cardiovascular Diseases ,Conventional PCI ,Cardiology ,ST Elevation Myocardial Infarction ,Female ,Cardiology and Cardiovascular Medicine ,business ,Prasugrel Hydrochloride ,Mace ,medicine.drug - Abstract
We sought to investigate the utilization of prasugrel and its association with outcomes relative to clopidogrel in three typical subgroups of ACS in a real-world setting. Prasugrel is superior to clopidogrel for reducing risk of ischemic events in acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI), but is associated with an increased risk of bleeding complications. PROMETHEUS was a retrospective multicenter observational study of 19,913 ACS patients undergoing PCI from 8 centers in the United States between 2010 and 2013. Major adverse cardiovascular events (MACE) were defined as a composite of all-cause mortality, myocardial infarction, stroke or unplanned revascularization. The study cohort included 3285 (16.5%) patients with ST-segment elevation myocardial infarction (STEMI), 5412 (27.2%) patients with NSTEMI and 11,216 (56.3%) patients with unstable angina (UA). The frequency of prasugrel use at discharge was highest in STEMI and lowest in UA patients, 27.3% versus 22.2% versus 18.9% (p < 0.001). Use of prasugrel vs clopidogrel was associated with a lower rate of MACE in STEMI, NSTEMI, or UA at 1 year, but the differences were attenuated for all groups except for patients with UA (adjusted HR 0.81, 95% CI 0.69–0.94, p = 0.006) after propensity adjusted analysis. After adjustment, there was no difference in bleeding risk between prasugrel and clopidogrel for all groups at 1 year. STEMI patients were more likely to receive prasugrel compared to NSTEMI and UA patients. Prasugrel was associated with reduced adverse outcomes compared with clopidogrel in unadjusted analyses, findings that were largely attenuated upon adjustment and suggest preferential use of prasugrel in low vs high risk patients. more...
- Published
- 2019