Contemporary Prestroke Dual Antiplatelet Use and Symptomatic Intracerebral Hemorrhage Risk After Thrombolysis

Intravenous alteplase (IV-tPA) can be administered to patients with acute ischemic stroke but is associated with symptomatic intracerebral hemorrhage (sICH). It is unclear if patients taking prestroke dual antiplatelet therapy (DAPT) are at higher risk of sICH. To determine the associated risk of sI...

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Veröffentlicht in:Archives of neurology (Chicago) 2024-07, Vol.81 (7), p.722
Hauptverfasser: Peng, Teng J, Schwamm, Lee H, Fonarow, Gregg C, Hassan, Ameer E, Hill, Michelle, Messé, Steven R, Coronado, Fatima, Falcone, Guido J, Sharma, Richa
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Sprache:eng
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Zusammenfassung:Intravenous alteplase (IV-tPA) can be administered to patients with acute ischemic stroke but is associated with symptomatic intracerebral hemorrhage (sICH). It is unclear if patients taking prestroke dual antiplatelet therapy (DAPT) are at higher risk of sICH. To determine the associated risk of sICH in patients taking prestroke dual antiplatelet therapy receiving alteplase for acute ischemic stroke using propensity score matching analysis. This cohort study used data from the American Heart Association and American Stroke Association Get With The Guidelines-Stroke (GWTG-Stroke) registry between 2013 and 2021. Data were obtained from hospitals in the GWTG-Stroke registry. This study included patients hospitalized with acute ischemic stroke and treated with IV-tPA. Data were analyzed from January 2013 to December 2021. Prestroke DAPT before treatment with IV-tPA for acute ischemic stroke. sICH, In-hospital death, discharge modified Rankin scale score, and other life-threatening systemic hemorrhages. Of 409 673 participants, 321 819 patients (mean [SD] age, 68.6 [15.1] years; 164 587 female [51.1%]) who were hospitalized with acute ischemic stroke and treated with IV-tPA were included in the analysis. The rate of sICH was 2.9% (5200 of 182 344), 3.8% (4457 of 117 670), and 4.1% (893 of 21 805) among patients treated with no antiplatelet therapy, single antiplatelet therapy (SAPT), and DAPT, respectively (P 
ISSN:2168-6149
2168-6157
2168-6157
DOI:10.1001/jamaneurol.2024.1312