Profile of bleeding and ischaemic complications with bivalirudin and unfractionated heparin after percutaneous coronary intervention

Raisuke Iijima, Gjin Ndrepepa, Julinda Mehilli, Robert A. Byrne, Stefanie Schulz, Franz Josef Neumann, Gert Richardt, Peter B. Berger, Albert Schömig, Adnan Kastrati

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

Aims: The aim of this study was to identify a subset of patients at high risk of bleeding or myocardial infarction from a percutaneous coronary intervention and to investigate whether such high-risk subsets derive preferential benefit from heparin or bivalirudin. Methods and results: This study included 4570 patients with coronary artery disease enrolled in the Intracoronary Stenting and Antithrombotic Regimen: Rapid Early Action for Coronary Treatment trial and randomized to receive bivalirudin or heparin. Primary outcomes were in-hospital incidence of major bleeding and 30-day incidence of myocardial infarction. Major bleeding, myocardial infarction, and bleeding plus myocardial infarction occurred in 140, 204, and 34 patients, respectively. Older age, female sex, lower body weight, low cholesterol, multi-lesion intervention, complex lesions, and heparin therapy were independent correlates of increased risk of bleeding. Multi-lesion intervention, unstable angina, and lower body weight correlated independently with increased risks of myocardial infarction. Compared with heparin, bivalirudin was associated with a reduction in major bleeding (3.1 vs. 4.6%, P = 0.008), but mostly in low-risk patients. A reduction in the bleeding risk inversely correlated with an increase in the risk of myocardial infarction with bivalirudin (R = -0.61). Conclusion: Bivalirudin and unfractionated heparin have a differential effect on risk of bleeding and myocardial infarction across various subsets of patients.

Original languageEnglish
Pages (from-to)290-296
Number of pages7
JournalEuropean Heart Journal
Volume30
Issue number3
DOIs
StatePublished - Feb 2009

Keywords

  • Bivalirudin
  • Bleeding
  • Coronary artery disease
  • Heparin
  • Myocardial infarction
  • Percutaneous coronary intervention

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