Hemocompatibility Outcomes With Pharmacological Therapy Following LVAD Implantation: Insights From the ARIES-HM3 Trial
Abstract
BACKGROUND: The ARIES-HM3 (Antiplatelet Removal and Hemocompatibility Events With the HeartMate 3 Pump) trial demonstrated safety and decreased bleeding in eliminating aspirin from the antithrombotic regimen of patients implanted with a HM3 left ventricular assist device (LVAD). Whether pharmacologic therapies impact hemocompatibility-related adverse events (HRAEs) remains uncertain.
OBJECTIVES: In this trial analysis, the authors investigated associations between pharmacologic therapy and hemocompatibility outcomes.
METHODS: Among 547 of 589 randomized patients who were discharged, non-inotrope-dependent, and completed 1-month of follow-up, the study explored the influence of pharmacotherapy (renin-angiotensin-aldosterone system [RAAS] inhibitors, heart failure [HF]-related and other cardiovascular drugs) on blood pressure control and on survival free of major nonsurgical HRAEs (stroke, pump thrombosis, bleeding, and arterial thromboembolism) at 12 months.
RESULTS: In 547 eligible patients, 65% received RAAS inhibitors, 89% received other HF-related therapy, and 82% received another cardiovascular drug at 1 month. No statistically significant interaction between RAAS inhibitors (P = 0.08), other HF-related therapies (P = 0.65), or other cardiovascular drugs (P = 0.92) on aspirin use and primary endpoint success was observed. Patients receiving RAAS inhibitors at 1 month had greater primary endpoint success (78.9% vs 69.3%, HR: 0.61 [95% CI: 0.37-1.01]; P = 0.14). Other…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 589 participants or records.
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