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- Title
Evaluation of the effect of apixaban using a viscoelastic coagulation assay with Russell's viper venom reagent.
- Authors
Suzuki, Kaoru; Katori, Nobuyuki; Kimura, Yoshihiro; Terui, Takako; Sunaga, Hiroshi; Kobayashi, Shunsuke; Uezono, Shoichi
- Abstract
Background: Conventional coagulation tests, such as prothrombin time and activated partial thromboplastin time, are not sensitive to anticoagulation by apixaban. We evaluated the antithrombotic effect of apixaban using a Russell viper venom (RVV) test for a patient who underwent posterior spine fusion surgery. Case presentation: An 84-year-old man was scheduled for percutaneous posterior spine fusion. He continued apixaban until the night before surgery and resumed it on the first day after surgery. We performed an RVV test as point-of-care coagulation monitoring in combination with chromogenic anti-activated factor X (anti-Xa) activity, prothrombin time, and activated partial thromboplastin time. Clotting time with the RVV test was prolonged according to the anti-Xa activity of apixaban, which was in the therapeutic range during surgery. Conclusions: An RVV test might be useful as a point-of-care assay for estimation of the anti-Xa level induced by apixaban during the perioperative period.
- Subjects
VENOM; PROTHROMBIN time; PARTIAL thromboplastin time; APIXABAN; VIPERIDAE; BLOOD coagulation
- Publication
JA Clinical Reports, 2021, Vol 7, Issue 1, p1
- ISSN
2363-9024
- Publication type
Article
- DOI
10.1186/s40981-021-00445-9