Disparities in Direct Oral Anticoagulant Initiation Have Declined in Recent Years

Findings seen for Black and Hispanic patients with atrial fibrillation versus White patients
Disparities in Direct Oral Anticoagulant Initiation Have Declined in Recent Years
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Medically Reviewed By:
Meeta Shah, M.D.

FRIDAY, May 10, 2024 (HealthDay News) -- Historical disparities in initiation of direct oral anticoagulants (DOACs) for atrial fibrillation have lessened for Black and Hispanic patients, according to a study published online May 6 in JAMA Network Open.

Kamika R. Reynolds, Ph.D., from the Institute for Health, Health Care Policy and Aging Research at Rutgers University in New Brunswick, New Jersey, and colleagues investigated disparities in the initiation of DOACs compared to warfarin by race, ethnicity, and social vulnerability. The analysis included a 50 percent sample of Medicare fee-for-service data (2010 through 2019) to identify 950,698 anticoagulation initiations among U.S. adults (aged 65 years and older) with atrial fibrillation.

The researchers found that during the 10-year study period, DOAC use increased for all demographic groups. Compared with White patients, Black and Hispanic patients were less likely to initiate DOAC use. During the study period, disparities in DOAC initiation among Black patients attenuated and became nonsignificant by 2019 compared with the early years.

"This study highlights the evolution of management of atrial fibrillation, underscoring historical imbalances that have shown signs of abatement," the authors write. "Identifying the factors behind these early disparities is crucial for ensuring equitable access to novel therapies as they emerge for Black and Hispanic populations."

Abstract/Full Text


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