How long is anticoagulation therapy needed for vertebral artery dissection (VAD)?

Updated: Feb 21, 2019
  • Author: Eddy S Lang, MDCM, CCFP(EM), CSPQ; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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No clear guidelines exist on the duration of anticoagulation in patients with VAD. Consider treatment regimens of 3-6 months or until radiographic resolution is established by either MRI or follow-up angiography.

Rarely, patients experience reocclusion when removed from anticoagulant therapy, which subjects them to longer regimens.

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