Apixaban and rivaroxaban use for atrial fibrillation in patients with obesity and BMI ≥50 kg/m2
CP O'Kane, JCO Avalon, JL Lacoste… - … : The Journal of …, 2022 - Wiley Online Library
CP O'Kane, JCO Avalon, JL Lacoste, W Fang, CM Bianco, L Davisson, KL Piechowski
Pharmacotherapy: The Journal of Human Pharmacology and Drug Therapy, 2022•Wiley Online LibraryBackground Apixaban and rivaroxaban are increasingly used for thromboembolism
prophylaxis in patients with non‐valvular atrial fibrillation (NVAF) and commonly in patients
with obesity and body mass index (BMI)≥ 50 kg/m2 despite the limited data. Objectives This
study aimed to establish the effectiveness and safety of apixaban and rivaroxaban in
patients with NVAF and BMI≥ 50 kg/m2. Methods A single health‐system, retrospective
cohort study evaluated the effectiveness and safety of apixaban and rivaroxaban initiated in …
prophylaxis in patients with non‐valvular atrial fibrillation (NVAF) and commonly in patients
with obesity and body mass index (BMI)≥ 50 kg/m2 despite the limited data. Objectives This
study aimed to establish the effectiveness and safety of apixaban and rivaroxaban in
patients with NVAF and BMI≥ 50 kg/m2. Methods A single health‐system, retrospective
cohort study evaluated the effectiveness and safety of apixaban and rivaroxaban initiated in …
Background
Apixaban and rivaroxaban are increasingly used for thromboembolism prophylaxis in patients with non‐valvular atrial fibrillation (NVAF) and commonly in patients with obesity and body mass index (BMI) ≥50 kg/m2 despite the limited data.
Objectives
This study aimed to establish the effectiveness and safety of apixaban and rivaroxaban in patients with NVAF and BMI ≥50 kg/m2.
Methods
A single health‐system, retrospective cohort study evaluated the effectiveness and safety of apixaban and rivaroxaban initiated in adult patients (≥18 years of age) with BMI ≥50 kg/m2 and NVAF. Outcomes of ischemic stroke, systemic embolic events, and bleeding were compared to a cohort of patients with BMI 18 to 30 kg/m2.
Results
After 1619 patient‐years worth of follow‐up in 595 patients, the primary endpoint of incidence of ischemic stroke was numerically similar in both groups, 1.3 per 100 patient‐years in the BMI ≥50 kg/m2 group, compared to 2.0 per 100 patient‐years in the BMI <30 kg/m2 group (RR 0.65, 95% CI 0.38–1.82, p = 0.544). Incidence of major bleeding and clinically relevant non‐major bleeding was also numerically similar between the two groups.
Conclusions
This study demonstrated that apixaban and rivaroxaban in patients with a BMI ≥50 kg/m2 for treatment of NVAF may be safe and effective at preventing thromboembolic events and had no increased risk of bleeding. Although, findings should be interpreted with caution and confirmed with additional studies. This study contributes to the growing body of evidence that direct oral anticoagulants (DOACs) may be effective and safe to use for the treatment of NVAF in patients with BMI ≥50 kg/m2.
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