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August, 2026
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Pall T. Onundarson: Real-World Evidence Challenges Routine DOAC Switching in Frail Older Adults with AF
Aug 6, 2026, 09:55

Pall T. Onundarson: Real-World Evidence Challenges Routine DOAC Switching in Frail Older Adults with AF

Pall T. Onundarson, Professor Emeritus at Landspitali University Hospital, shared a post on LinkedIn:

”Frail elderly Korean atrial fibrillation patients do worse if switched to DOACs in a nationwide observational study.

This would appear to support the previous RCT of Joosten et al (Circulation. 2024;149:279–289. DOI: 10.1161/CIRCULATIONAHA.123.066485) from Holland.

It should also caution physicians against celebrating convenience over efficacy and safety if they are able to provide quality treatment with warfarin/VKAs.

It would also suggest that warfarin isn´t dead yet as treatment of NVAF – and that working on improved warfarin monitoring and outcomes remains worthwhile, even mandatory, for the benefit of patients.”

Title 1: To switch or not to switch: rethinking anticoagulation in frail elderly patients

Author: Paschalis Karakasis

Read the Full Article on European Heart Journal

Pall T. Onundarson: Real-World Evidence Challenges Routine DOAC Switching in Frail Older Adults with AF

Title 2: Reconsidering routine switching from warfarin to direct oral anticoagulants in frail elderly patients with atrial fibrillation stable on warfarin

Authors: So-Ryoung Lee, Eue-Keun Choi

Read the Full Article on European Heart Journal
Pall T. Onundarson: Real-World Evidence Challenges Routine DOAC Switching in Frail Older Adults with AF

Other posts featuring Pall T. Onundarson on Hemostasis Today.