• Gregory D Arnone, Prateek Kumar, Matt C Wonais, Darian R Esfahani, Sally A Campbell-Lee, Fady T Charbel, Sepideh Amin-Hanjani, Ali Alaraj, Andreea Seicean, and Ankit I Mehta.
• Department of Neurosurgery, University of Illinois at Chicago, Chicago, Illinois, USA.
• World Neurosurg. 2018 Mar 1; 111: e895-e904.

ObjectivePlatelet transfusions for patients with intracerebral hemorrhage (ICH) on antiplatelet therapy (APT) remain controversial. Diverging past research and differences in platelet preparation warrant further investigation of this topic. In this study, the association between platelet transfusion and clinical outcomes of ICH is investigated in patients matched by ICH score, a validated predictor of mortality.MethodsA consecutive review of all patients from 2012 to 2015 with nontraumatic ICH was performed. Risk factors including demographics, medical comorbidities, APT use, and ICH score were reviewed. Standardized differences were used to assess baseline characteristics; logistic regression models were performed to determine whether platelet transfusions were associated with adverse outcomes, both before and after matching for ICH score.ResultsA total of 538 patients with nontraumatic ICH were investigated. Of these, 168 were on APT; 71 were excluded. Thirty-nine patients (40%) received platelet transfusions and 58 (60%) did not. An overall mortality of 9.3% was measured, with 29.9% of patients enduring complications. In the unmatched cohort, patients who received platelet transfusions were more likely to deteriorate (odds ratio [OR], 4.7), undergo surgical intervention during their hospital stay (OR, 7.2), be discharged with a worse modified Rankin Scale score (OR, 3.6), or die (OR, 6.1). After matching by ICH score, platelet transfusion was not a significant predictor for any negative outcome.ConclusionsThis is the first analysis of platelet transfusions in patients with ICH based on ICH score. For patients on APT, platelet transfusion is not associated with clinical outcomes in an ICH score-matched sample.Copyright © 2018 Elsevier Inc. All rights reserved.

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