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Low Levels of Caveolin-1 Predict Symptomatic Bleeding After Thrombolytic Therapy in Patients With Acute Ischemic Stroke Brief Report
Background and Purpose—Experimental models of cerebral ischemia demonstrate that the decrease in the caveolin-1 membrane protein results in an increase in endothelial permeability. Because this phenomenon is responsible for hemorrhagic transformation (HT) after cerebral ischemia, we aimed to determine whether caveolin-1 levels may predict bleeding after recombinant tissue-type plasminogen activator (r-tPA) administration in patients with acute stroke.Methods—We studied 133 patients with a first hemispheric stroke treated with r-tPA within 4.5 hours of symptom onset. HT was evaluated and classified on cranial computed t...
Source: Stroke - May 25, 2018 Category: Neurology Authors: Mar Castellanos, Cecile van Eendenburg, Carme Gubern, Elisabet Kadar, Gemma Huguet, Josep Puig, Tomas Sobrino, Gerard Blasco, Joaquin Serena, Juan Manuel Sanchez Tags: Biomarkers, Endothelium/Vascular Type/Nitric Oxide, Blood-Brain Barrier, Ischemic Stroke Brief Reports Source Type: research

Race/Ethnic Differences in the Risk of Hemorrhagic Complications Among Patients With Ischemic Stroke Receiving Thrombolytic Therapy Clinical Sciences
Conclusions— In patients with stroke receiving tPA, hemorrhagic complications were slightly higher in blacks and Asians, but not in Hispanics compared with whites. Asians also faced significantly higher risk for sICH relative to other race/ethnic groups. Future studies are needed to evaluate whether reduction in tPA dose similar to that used in many Asian countries could improve the safety of tPA therapy in Asians in the United States with acute ischemic strokes while maintaining efficacy.
Source: Stroke - July 28, 2014 Category: Neurology Authors: Mehta, R. H., Cox, M., Smith, E. E., Xian, Y., Bhatt, D. L., Fonarow, G. C., Peterson, E. D., for the Get With The Guidelines-Stroke Program Tags: Thrombolysis Clinical Sciences Source Type: research