• Adrian R Parry-Jones, Mario Di Napoli, Joshua N Goldstein, Floris H B M Schreuder, Sami Tetri, Turgut Tatlisumak, Bernard Yan, Koen M van Nieuwenhuizen, Nelly Dequatre-Ponchelle, Matthew Lee-Archer, Solveig Horstmann, Duncan Wilson, Fulvio Pomero, Luca Masotti, Christine Lerpiniere, Daniel Agustin Godoy, Abigail S Cohen, Rik Houben, Rustam Al-Shahi Salman, Paolo Pennati, Luigi Fenoglio, David Werring, Roland Veltkamp, Edith Wood, Helen M Dewey, Charlotte Cordonnier, Catharina J M Klijn, Fabrizio Meligeni, Stephen M Davis, Juha Huhtakangas, Julie Staals, Jonathan Rosand, and Atte Meretoja.
• University of Manchester, Manchester Academic Health Sciences Centre, Salford Royal National Health Service Foundation Trust, Salford, United Kingdom.
• Ann. Neurol. 2015 Jul 1;78(1):54-62.

ObjectiveThere is little evidence to guide treatment strategies for intracerebral hemorrhage on vitamin K antagonists (VKA-ICH). Treatments utilized in clinical practice include fresh frozen plasma (FFP) and prothrombin complex concentrate (PCC). Our aim was to compare case fatality with different reversal strategies.MethodsWe pooled individual ICH patient data from 16 stroke registries in 9 countries (n = 10 282), of whom 1,797 (17%) were on VKA. After excluding 250 patients with international normalized ratio < 1.3 and/or missing data required for analysis, we compared all-cause 30-day case fatality using Cox regression.ResultsWe included 1,547 patients treated with FFP (n = 377, 24%), PCC (n = 585, 38%), both (n = 131, 9%), or neither (n = 454, 29%). The crude case fatality and adjusted hazard ratio (HR) were highest with no reversal (61.7%, HR = 2.540, 95% confidence interval [CI] = 1.784-3.616, p < 0.001), followed by FFP alone (45.6%, HR = 1.344, 95% CI = 0.934-1.934, p = 0.112), then PCC alone (37.3%, HR = 1.445, 95% CI = 1.014-2.058, p = 0.041), compared to reversal with both FFP and PCC (27.8%, reference). Outcomes with PCC versus FFP were similar (HR = 1.075, 95% CI = 0.874-1.323, p = 0.492); 4-factor PCC (n = 441) was associated with higher case fatality compared to 3-factor PCC (n = 144, HR = 1.441, 95% CI = 1.041-1.995, p = 0.027).InterpretationThe combination of FFP and PCC might be associated with the lowest case fatality in reversal of VKA-ICH, and FFP may be equivalent to PCC. Randomized controlled trials with functional outcomes are needed to establish the most effective treatment.© 2015 The Authors Annals of Neurology published by Wiley Periodicals, Inc. on behalf of American Neurological Association.

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