Study supports use of reduced-dose of direct oral anticoagulants for many older adults with two or more conditions

Medical Xpress / Hebrew SeniorLife Hinda and Arthur Marcus Institute / Jrnl of the Am Heart Assoc ^ | Nov. 7, 2023 | Dr. Sarah Berry, MD, MPH et al

[ConservativeMind]

A nationwide study of 21,878 older nursing home residents with nonvalvular atrial fibrillation (NVAF) found a higher rate of bleeding and little difference in the effectiveness of standard versus reduced-dose treatment using direct oral anticoagulants (DOAC).

"Given the potential harms and unclear benefits of standard DOAC dosing, our results support the use of reduced-dose DOACs for many older adults with multiple chronic medical conditions," said Dr. Sarah Berry, MD, MPH..

DOACs can prevent serious thrombotic events like stroke in residents with nonvalvular atrial fibrillation (NVAF) and have a lower risk of major bleeding events than warfarin.

Persons receiving standard-dosing of DOACs experienced 1.4 more major bleeds per 100 person-years than those on reduce-dosing, with highest relative bleeding rates among those aged ≥80 years or who were not obese.

Over the 1-year follow-up period, the overall rate of major bleeds in this population was 8.6 per 100 person-years (PY) and 5.7 per 100 PY for thrombotic events.

[ConservativeMind]

Sometimes, less is more.

[ConservativeMind]

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