The safety and effectiveness of adenosine diphosphate receptor inhibitor pretreatment among acute myocardial infarction patients treated with percutaneous coronary intervention in community practice: Insights from the TRANSLATE-ACS study

Mark B. Effron, Tracy Y. Wang, Gregg C. Fonarow, Timothy D. Henry, Marjorie E. Zettler, Brian A. Baker, Lisa A. McCoy, Eric D. Peterson

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: To understand the optimal timing of adenosine diphosphate (ADP) receptor inhibitor pretreatment prior to percutaneous coronary intervention (PCI) among acute myocardial infarction (MI) patients. Background: The role of ADP receptor inhibitor pretreatment in this population is unclear. Methods: A total of 9,251 ADP receptor inhibitor-naïve MI patients undergoing PCI at 229 TRANSLATE-ACS sites were evaluated. Adjusted risks of in-hospital major adverse cardiovascular events (MACE) and major bleeding were compared among patients with and without pretreatment using inverse probability-weighted propensity adjustment. Results: Of 9,251 patients treated with either prasugrel or clopidogrel during the index MI hospitalization, 4,056 (44%) received pretreatment (ST-segment elevation MI [STEMI] 54.9%, non-STEMI 45.1%); pretreatment was used more commonly among those receiving clopidogrel than prasugrel (52% vs. 20%, P < 0.0001). MACE risks were not significantly different between patients with and without pretreatment (clopidogrel 2.1% vs. 2.2%, adjusted hazard ratio [HR] 1.00, 95% confidence interval [CI] 0.70–1.43; prasugrel 2.1% vs. 2.3%, adjusted odds ratio [OR] 0.82, 95% CI 0.42–1.60). No differences in major bleeding were observed among those receiving versus not receiving pretreatment (clopidogrel 3.1% vs. 3.5%, adjusted HR 0.94, 95% CI 0.65–1.36; prasugrel 2.5% vs. 2.7%, adjusted OR 0.93, 95% CI 0.42–2.02); results were similar when stratified by MI type. Conclusions: ADP receptor inhibitor pretreatment (44%) is commonly used among acute MI patients undergoing PCI in contemporary practice, but no significant differences were found in in-hospital MACE and/or bleeding risks between patients receiving versus not receiving pretreatment, regardless of ADP receptor inhibitor type.

Original languageEnglish (US)
Pages (from-to)242-250
Number of pages9
JournalCatheterization and Cardiovascular Interventions
Volume91
Issue number2
DOIs
StatePublished - Feb 1 2018
Externally publishedYes

Keywords

  • acute myocardial infarction
  • adenosine diphosphate receptor inhibitor pretreatment
  • bleeding risk
  • major adverse cardiac events
  • percutaneous coronary intervention

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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