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- W4367018720 abstract "Introduction As IV tenecteplase (TNK) is becoming an alternative to IV alteplase in acute ischemic stroke (AIS), establishing the incidence of intracranial hemorrhage (ICH) complications is important. Given the higher fibrin specificity of TNK as compared to alteplase, our aim was to distinguish hemorrhage within the stroke burden versus spontaneous ICH in patients with AIS with TNK‐associated ICH. Methods Retrospective chart review of patients presenting from February 2020 to January 2022 with anterior circulation AIS to our comprehensive stroke center who received TNK was performed to evaluate for associated ICH. ECASS‐3 criteria was used to define hemorrhagic transformation and ICH score was used for primary, spontaneous ICH. Fisher exact test statistic was used to evaluate for significant differences in ASPECTS score, medium versus versus large vessel occlusion, angiographic recanalization, IV eptifibatide use, pre‐morbid antiplatelet use, and association with symptomatic versus asymptomatic hemorrhage. A benchmark less than 5% symptomatic ICH incidence was set based on historical alteplase rates within our network. Social science statistics software was used for data analysis. Results Out of 77 subjects who received TNK, 20.7% (n = 16) developed ICH, 9.1% (n = 7) of which were symptomatic ICH with a temporally‐related increase in NIHSS of at least 4 or greater. Seven subjects (43.75%) were male. Mean age was 73.38 (95% CI 65.92, 80.83). Median initial NIHSS was 16, 95% CI [11.74, 21.51]. Median ASPECTS was 9, 95% CI [8.74, 9.89]. Two subjects developed spontaneous, primary ICH (n = 1 symptomatic ICH, n = 1 non‐symptomatic ICH) in the absence of hemorrhagic transformation of ischemic stroke. No significant difference between subjects with asymptomatic hemorrhage versus symptomatic hemorrhage was found when comparing ASPECTS > = 7 versus < 7 (Fisher value = 1), angiographic recanalization (Fisher value = 1), use of IV eptifibatide (Fisher value = 1), pre‐morbid antiplatelet use (Fisher value = 0.13), or medium vessel occlusion (Fisher value = ‐0.63). Conclusions Expected rates of hemorrhagic transformation were higher in tenecteplase than our historical benchmark rate for alteplase. Spontaneous hemorrhage unrelated to ischemic stroke area were seen in 2 subjects without known hematological disorders. Larger, prospective studies are needed to validate safety of tenecteplase in real world settings." @default.
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- W4367018720 date "2023-03-01" @default.
- W4367018720 modified "2023-09-25" @default.
- W4367018720 title "Abstract Number: LBA16 Does Intracranial Hemorrhage Associated with Tenecteplase Occur Exclusively Within the Stroke Burden?" @default.
- W4367018720 doi "https://doi.org/10.1161/svin.03.suppl_1.lba16" @default.
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