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Comparative Study
Journal Article
Comparison of patient outcomes with bivalirudin versus unfractionated heparin in percutaneous coronary intervention.
Pharmacotherapy 2007 May
OBJECTIVE: To compare clinical outcomes and glycoprotein IIb-IIIa inhibitor use in patients undergoing percutaneous coronary intervention (PCI) who received bivalirudin or unfractionated heparin (UFH) in a real-world setting.
DESIGN: Retrospective cohort analysis.
SETTING: University-affiliated medical center.
PATIENTS: One thousand seventy-five adult patients who underwent PCI and received either bivalirudin (539 patients) or UFH (536 patients) from April 1, 2003-April 1, 2004.
MEASUREMENT AND MAIN RESULTS: Patient data on demographics, comorbidities, laboratory values, and reports of radiologic examinations, cardiac catheterizations, and discharge summaries were obtained. Outcomes evaluated included rates of in-hospital mortality, myocardial infarction, revascularization, and length of stay (LOS), as well as Randomized Evaluation of PCI Linking Angiomax to Reduced Clinical Events (REPLACE-2) and Thrombosis in Myocardial Infarction (TIMI) bleeding categorization. Bivalirudin use was associated with a significant reduction in TIMI major (5.0% vs 9.7%, p=0.003), REPLACE-2 major (5.4% vs 12.9%, p<0.001), and TIMI minor (1.7% vs 6%, p<0.001) bleeding complications compared with UFH use. Significantly fewer patients in the bivalirudin group received glycoprotein IIb-IIIa inhibitors (27.3% vs 62.7%, p<0.001). Patients receiving bivalirudin had significantly fewer myocardial infarctions after catheterization (10.7% [40/375] vs 18.0% [51/284], p=0.007). No differences were noted in mortality and revascularization rates between groups. A shortened LOS was observed in the bivalirudin group.
CONCLUSIONS: This real-world analysis that included high-risk patients provides further evidence that bivalirudin is an attractive alternative to UFH because of a decrease in bleeding events without compromising efficacy.
DESIGN: Retrospective cohort analysis.
SETTING: University-affiliated medical center.
PATIENTS: One thousand seventy-five adult patients who underwent PCI and received either bivalirudin (539 patients) or UFH (536 patients) from April 1, 2003-April 1, 2004.
MEASUREMENT AND MAIN RESULTS: Patient data on demographics, comorbidities, laboratory values, and reports of radiologic examinations, cardiac catheterizations, and discharge summaries were obtained. Outcomes evaluated included rates of in-hospital mortality, myocardial infarction, revascularization, and length of stay (LOS), as well as Randomized Evaluation of PCI Linking Angiomax to Reduced Clinical Events (REPLACE-2) and Thrombosis in Myocardial Infarction (TIMI) bleeding categorization. Bivalirudin use was associated with a significant reduction in TIMI major (5.0% vs 9.7%, p=0.003), REPLACE-2 major (5.4% vs 12.9%, p<0.001), and TIMI minor (1.7% vs 6%, p<0.001) bleeding complications compared with UFH use. Significantly fewer patients in the bivalirudin group received glycoprotein IIb-IIIa inhibitors (27.3% vs 62.7%, p<0.001). Patients receiving bivalirudin had significantly fewer myocardial infarctions after catheterization (10.7% [40/375] vs 18.0% [51/284], p=0.007). No differences were noted in mortality and revascularization rates between groups. A shortened LOS was observed in the bivalirudin group.
CONCLUSIONS: This real-world analysis that included high-risk patients provides further evidence that bivalirudin is an attractive alternative to UFH because of a decrease in bleeding events without compromising efficacy.
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