SynthesisNeurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology2025
Impact of prior antiplatelet therapy on safety and efficacy of alteplase in acute ischemic stroke: a systematic review and meta-analysis.
Synthesis in Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Risk of intracranial haemorrhage in patients with acute ischaemic stroke and prior antiplatelet therapy.European stroke journal · 2026Article
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Authors and funding
23 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundIntravenous thrombolysis (IVT), utilizing the clot-dissolving medications alteplase (rt-PA) or tenecteplase (TNK), is the cornerstone in acute ischemic stroke (AIS) emergency intervention. However, the impact of prior antiplatelet therapy (APT) on post-IVT outcomes when utilizing alteplase remains controversial. We conducted a systematic review and meta-analysis to evaluate the effect of prior APT on the outcomes after using alteplase in AIS patients.
methodsWe conducted a systematic review and meta-analysis synthesizing studies, which were retrieved by systematically searching PubMed, Web of Science, SCOPUS, and Cochrane through June 30, 2024. We used the R language V. 4.3. to pool dichotomous data using odds ratio (OR) with a 95% confidence interval (CI). PROSPERO ID: CRD42024495393.
resultsThirty studies were included in our analysis, with 436,232 patients. Prior APT was significantly associated with increased odds of symptomatic intracranial hemorrhage (sICH) (OR, 1.78; 95%CI [1.48, 2.13]; P < 0.01), any ICH (OR, 1.44; 95%CI [1.16, 1.78]; P < 0.01), mortality (OR, 1.39; 95%CI [1.23, 1.58]; P < 0.01), and poor functional outcomes (modified Rankin Scale score of 3-6 [mRS 3-6]) (OR, 1.81; 95%CI [1.03, 3.19]; P = 0.04). Additionally, prior APT significantly reduced the odds of good functional outcome [mRS 0-2] (OR, 0.85; 95%CI [0.74, 0.97]; P = 0.02).
conclusionPrior APT increased hemorrhagic complications, mortality, and poor functional outcome, while reducing the odds of good functional outcome after IV alteplase. Future research should focus on identifying adjunctive agents that may decrease hemorrhagic complications and investigate the impact of various APT regimens and alternative thrombolytics beyond alteplase in this specific population.
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