Antiplatelet therapy contributes to acute deterioration of intracerebral hemorrhage

Kazunori Toyoda, Y. Okada, K. Minematsu, M. Kamouchi, S. Fujimoto, S. Ibayashi, T. Inoue

研究成果: Contribution to journalArticle査読

150 被引用数 (Scopus)


Objective: The purpose of this study was to examine the effect of antiplatelet therapy on the initial severity and the acute outcome of intracerebral hemorrhage (ICH). Methods: The authors reviewed records of 251 consecutive patients hospitalized in their cerebrovascular center within 24 hours after onset of ICH. Results: Fifty-seven patients (23%) had development of ICH during oral antiplatelet therapy. The major indication for antiplatelet therapy was the prevention of stroke recurrence (63%). As compared with patients without antiplatelet therapy, those who received antiplatelet therapy more frequently were aged 70 years or older (60% vs 35%; p < 0.001), had previous symptomatic ischemic stroke (54% vs 7%; p < 0.0001), had diabetes mellitus (26% vs 15%; p < 0.05), and had heart disease (32% vs 8%; p < 0.0001). Antiplatelet therapy was predictive of an increase in the hematoma volume by more than 40% on the second hospital day (hematoma enlargement, odds ratio [OR] 7.67, 95% CI 1.62 to 36.4) and the need for emergent surgical evacuation of the hematoma (OR 3.10, 95% CI 1.18 to 8.15). Antiplatelet therapy was an independent predictor for the occurrence of any of hematoma enlargement, emergent death, or evacuation surgery, which suggests that clinical deterioration occurs into the second hospital day (OR 7.45, 95% CI 2.46 to 22.5). Conclusions: Antiplatelet therapy seems to contribute to the acute clinical deterioration of intracerebral hemorrhage.

出版ステータス出版済み - 10 11 2005

All Science Journal Classification (ASJC) codes

  • 臨床神経学


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