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    Outcome of intracerebral hemorrhage associated with different oral anticoagulants

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    Author
    Wilson, D; Seiffge, DJ; Traenka, C; Basir, G; Purrucker, JC; Rizos, T; Sobowale, OA; Sallinen, H; Yeh, S-J; Wu, TY; ...
    Date
    2017-05-02
    Source Title
    Neurology
    Publisher
    LIPPINCOTT WILLIAMS & WILKINS
    University of Melbourne Author/s
    Meretoja, Atte; Wu, Teddy
    Affiliation
    Medicine and Radiology
    Metadata
    Show full item record
    Document Type
    Journal Article
    Citations
    Wilson, D., Seiffge, D. J., Traenka, C., Basir, G., Purrucker, J. C., Rizos, T., Sobowale, O. A., Sallinen, H., Yeh, S. -J., Wu, T. Y., Ferrigno, M., Houben, R., Schreuder, F. H. B. M., Perry, L. A., Tanaka, J., Boulanger, M., Salman, R. A. -S., Jaeger, H. R., Ambler, G. ,... Werring, D. J. (2017). Outcome of intracerebral hemorrhage associated with different oral anticoagulants. NEUROLOGY, 88 (18), pp.1693-1700. https://doi.org/10.1212/WNL.0000000000003886.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/259042
    DOI
    10.1212/WNL.0000000000003886
    Abstract
    OBJECTIVE: In an international collaborative multicenter pooled analysis, we compared mortality, functional outcome, intracerebral hemorrhage (ICH) volume, and hematoma expansion (HE) between non-vitamin K antagonist oral anticoagulation-related ICH (NOAC-ICH) and vitamin K antagonist-associated ICH (VKA-ICH). METHODS: We compared all-cause mortality within 90 days for NOAC-ICH and VKA-ICH using a Cox proportional hazards model adjusted for age; sex; baseline Glasgow Coma Scale score, ICH location, and log volume; intraventricular hemorrhage volume; and intracranial surgery. We addressed heterogeneity using a shared frailty term. Good functional outcome was defined as discharge modified Rankin Scale score ≤2 and investigated in multivariable logistic regression. ICH volume was measured by ABC/2 or a semiautomated planimetric method. HE was defined as an ICH volume increase >33% or >6 mL from baseline within 72 hours. RESULTS: We included 500 patients (97 NOAC-ICH and 403 VKA-ICH). Median baseline ICH volume was 14.4 mL (interquartile range [IQR] 3.6-38.4) for NOAC-ICH vs 10.6 mL (IQR 4.0-27.9) for VKA-ICH (p = 0.78). We did not find any difference between NOAC-ICH and VKA-ICH for all-cause mortality within 90 days (33% for NOAC-ICH vs 31% for VKA-ICH [p = 0.64]; adjusted Cox hazard ratio (for NOAC-ICH vs VKA-ICH) 0.93 [95% confidence interval (CI) 0.52-1.64] [p = 0.79]), the rate of HE (NOAC-ICH n = 29/48 [40%] vs VKA-ICH n = 93/140 [34%] [p = 0.45]), or functional outcome at hospital discharge (NOAC-ICH vs VKA-ICH odds ratio 0.47; 95% CI 0.18-1.19 [p = 0.11]). CONCLUSIONS: In our international collaborative multicenter pooled analysis, baseline ICH volume, hematoma expansion, 90-day mortality, and functional outcome were similar following NOAC-ICH and VKA-ICH.

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