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- W1988739969 abstract "Activated protein C (APC) is a plasma serine protease with systemic anticoagulant and a wide spectrum of cytoprotective activities that has been proposed as a promising therapy for acute stroke. Therefore, we sought to investigate the role of endogenous APC in human ischemic stroke.Our target were 119 consecutive patients with an ischemic stroke involving the middle cerebral artery territory who received tissue plasminogen activator (t-PA) within 3 h of symptom onset. APC was measured before, as well as 1 and 2 h after t-PA administration, and again at 12 and 24 h after stroke onset. Cranial tomography scan was obtained at admission and repeated at 24-48 h or when a neurological worsening occurred to rule out the presence of hemorrhagic complications. The functional outcome was evaluated by 3-month modified Rankin Scale.A total of 117 t-PA-treated patients were finally included in the analyses. APC peaked at 1 h after t-PA administration (pretreatment APC = 132.44 +/- 36.39%, 1-hour APC = 184.20 +/- 34.28%, 2-hour APC = 145.50 +/- 35.23%; p < 0.0001). Interestingly, a high 2-hour APC level was associated with parenchymal hemorrhages (OR = 25.19; 95% CI = 4.76-133.19; p = 0.0001) and mortality (OR = 13.8; 95% CI = 2.58-73.63; p = 0.001), in a logistic regression model. Our results remained significant after Bonferroni correction for multiple testing.A high endogenous APC level 2 h after t-PA administration is independently associated with hemorrhagic transformation and mortality in our cohort of stroke patients. Establishing any causal link for these relationships needs further research." @default.
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- W1988739969 date "2009-01-01" @default.
- W1988739969 modified "2023-10-18" @default.
- W1988739969 title "Endogenous Activated Protein C Predicts Hemorrhagic Transformation and Mortality after Tissue Plasminogen Activator Treatment in Stroke Patients" @default.
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- W1988739969 doi "https://doi.org/10.1159/000225907" @default.
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