Seguridad y eficacia de la bivalirudina en pacientes con diabetes mellitus sometidos a intervención coronaria percutánea: de los ensayos REPLACE-2, ACUITY y HORIZONS-AMI

Optimal antithrombotic pharmacotherapy in patients affected by diabetes mellitus (DM) undergoing percutaneous coronary intervention is unclear. We sought to evaluate the safety and efficacy of bivalirudin compared with heparin plus a glycoprotein IIb/IIIa inhibitor (GPI) in patients with DM undergoing percutaneous coronary intervention. We pooled patient-level data from the Randomized Evaluation of PCI Linking Angiomax to Reduced Clinical Events-2, Acute Catheterization and Urgent Intervention Triage strategy, and Harmonizing Outcomes with Revascularization and Stents in Acute Myocardial Infarction trials. The primary efficacy end point was the incidence of major adverse cardiac events, defined as the composite of death, myocardial infarction, or unplanned revascularization at 30 days. The primary safety end point was the incidence of 30-day non-coronary artery bypass graft-related major bleeding. All-cause mortality was reported at 30 days and 1 year. Of the 14,737 patients included in the pooled database, 3,641 (24.7%) had DM. Patients with DM had higher rates of 30-day major bleeding and 30-day and 1-year all-cause mortality. There were no differences in 30-day major adverse cardiac events between bivalirudin versus heparin plus GPI in patients with DM (6.9% vs 7.8%; relative risk [RR] 0.89, 95% CI 0.71 to 1.12) or without DM (7.5% vs 6.7%; RR 1.11, 95% CI 0.97 to 1.27; pinteraction = 0.10). Bivalirudin treatment was associated with reduced risk of major bleeding in similar magnitude in patients with DM (4.3% vs 6.6% RR 0.68, 95% CI 0.51 to 0.89) or without DM (3.2% vs 6.1%; RR 0.51, 95% CI 0.43 to 0.61; pinteraction = 0.15). The hemorrhagic benefit of bivalirudin was noted for both access site- and non-access site-related bleeding. Overall, bivalirudin treatment was associated with a significant 1-year mortality benefit (2.7% vs 3.3%; RR 0.82, 95% CI 0.68 to 0.98; p = 0.03), which was consistent between patients with or without DM (pinteraction = 0.30). In conclusion, compared with heparin plus GPI, bivalirudin was associated with similar 30-day antithrombotic efficacy and better 30-day freedom from bleeding and 1-year mortality, irrespective of diabetic status.

Resumen tomado de PubMed (NCBI) para el registro citado, en el idioma original. La versión de referencia es la de la publicación original.

El resumen se deja sin traducir para conservar la redacción original de los autores.

En 14 737 pacientes (24,7 % con diabetes) de REPLACE-2, ACUITY y HORIZONS-AMI, los MACE a 30 días fueron comparables entre bivalirudina y heparina más GPI en los diabéticos (6,9 % vs. 7,8 %; RR 0,89). Las hemorragias mayores se redujeron con bivalirudina en diabéticos (4,3 % vs. 6,6 %; RR 0,68) y en no diabéticos (3,2 % vs. 6,1 %; RR 0,51). Los autores asocian la bivalirudina con menor mortalidad al año (2,7 % vs. 3,3 %; RR 0,82; p = 0,03), con independencia del estado diabético.

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