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  • Title: A literature review of cost-effectiveness of intravenous recombinant tissue plasminogen activator for treating acute ischemic stroke.
    Author: Joo H, Wang G, George MG.
    Journal: Stroke Vasc Neurol; 2017; 2(2):73-83. PubMed ID: 28736623.
    Abstract:
    BACKGROUND: Intravenous recombinant tissue plasminogen activator (IV rtPA) is recommended treatment for acute ischemic stroke patients, but the cost-effectiveness of IV rtPA within different time windows after the onset of acute ischemic stroke is not well reviewed. AIMS: To conduct a literature review of the cost-effectiveness studies about IV rtPA by treatment times. SUMMARY OF REVIEW: A literature search was conducted using MEDLINE, EMBASE, CINAHL and Cochrane Library, with the key words acute ischemic stroke, tissue plasminogen activator, cost, economic benefit, saving, and incremental cost-effectiveness analysis. The review is limited to original research articles published during 1995-2016 in English-language peer-reviewed journals. We found 16 studies meeting our criteria for this review. Nine of them were cost-effectiveness studies of IV rtPA treatment within 0-3 hours after stroke onset, 2 studies within 3-4.5 hours, 3 studies within 0-4.5 hours, and 2 study within 0-6 hours. IV rtPA is a cost-saving or a cost-effectiveness strategy from most of the study results. Only one study showed incremental cost-effectiveness ratio of IV rtPA within one year was marginally above $50,000 per QALY threshold. IV rtPA within 0-3 hours after stroke led to cost savings for lifetime or 30 years, and IV rtPA within 3-4.5 hours after stroke increased costs but still was cost-effective. CONCLUSIONS: The literature generally showed that intravenous IV rtPA was a dominant or a cost-effective strategy compared to traditional treatment for acute ischemic stroke patients without IV rtPA. The findings from the literature lacked generalizability because of limited data and various assumptions.
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