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Full-Text Articles in Neurology

Use Of Telemedicine To Increase Thrombolysis And Advance Care In Acute Ischemic Stroke, Nils Henninger, Nabi Chowdhury, Marc Fisher, Majaz Moonis Apr 2015

Use Of Telemedicine To Increase Thrombolysis And Advance Care In Acute Ischemic Stroke, Nils Henninger, Nabi Chowdhury, Marc Fisher, Majaz Moonis

Nils Henninger

The use of the only proven therapy for acute ischemic stroke, intravenous tissue plasminogen activator (tPA), remains disappointingly low. One potential way to increase the use of tPA is by the implementation of telemedicine stroke care networks. Preliminary data from several studies indicate that the safe and expanded use of tPA for ischemic stroke can be accomplished with the help of telemedicine. Telemedicine stroke care networks can also be used in the future to enhance stroke diagnosis with advanced CT and MRI technology and to potentially increase the number of patients referred to tertiary stroke centers for intra-arterial therapies. It …


Leukoaraiosis And Sex Predict The Hyperacute Ischemic Core Volume, Nils Henninger, Eugene Lin, Diogo Haussen, Laura Lehman, Deepak Takhtani, Magdy Selim, Majaz Moonis Apr 2015

Leukoaraiosis And Sex Predict The Hyperacute Ischemic Core Volume, Nils Henninger, Eugene Lin, Diogo Haussen, Laura Lehman, Deepak Takhtani, Magdy Selim, Majaz Moonis

Nils Henninger

BACKGROUND AND PURPOSE: Leukoaraiosis (LA) and male sex have been associated with decreased cerebrovascular reactivity, which potentially adversely affects tissue viability in acute stroke. Therefore, we aimed to elucidate the contribution of LA-severity and sex to the extent of the hyperacute ischemic core volume after intracranial large artery occlusion. METHODS: We analyzed data from 87 patients with acute intracranial large artery occlusion who had acute multimodal computed tomography-imaging. LA-severity was assessed using the van Swieten scale on noncontrast computed tomography. Computed tomography perfusion data were analyzed using automatic calculation of the mean transit time and hyperacute cerebral blood volume defects. …


Translational Research In Stroke: Taking Advances In The Pathophysiology And Treatment Of Stroke From The Experimental Setting To Clinical Trials, Marc Fisher, Nils Henninger Apr 2015

Translational Research In Stroke: Taking Advances In The Pathophysiology And Treatment Of Stroke From The Experimental Setting To Clinical Trials, Marc Fisher, Nils Henninger

Nils Henninger

Many advances have occurred regarding an increased understanding of the basic pathophysiology of ischemic brain injury that could lead to enhanced therapy for this disorder. Among the more important basic science advances are enhanced knowledge of the components of the ischemic cascade, the phenomenon of ischemic preconditioning, the potential relevance of hibernation, studies on gene expression in ischemic tissue, and imaging identification of the ischemic penumbra. The large number of unsuccessful prior clinical trials with a wide range of purported acute stroke therapies has provided many insights and lessons regarding how to perform better trials in the future. Translating these …


Acute Ischemic Stroke Therapy, Nils Henninger, Rajat Kumar, Marc Fisher Apr 2015

Acute Ischemic Stroke Therapy, Nils Henninger, Rajat Kumar, Marc Fisher

Nils Henninger

Data from the European Cooperative Acute Stroke Study (ECASS) III trial demonstrated that tissue plasminogen activator given up to 4.5 h after stroke onset improves outcome and treatment guidelines support its use during this time window. Intra-arterial therapy with tissue plasminogen activator or devices is commonly used at large tertiary centers up to 6-8 h after stroke onset, but conclusive evidence of efficacy remains lacking. During the acute phase after stroke onset, blood pressure elevations should be reduced as should substantial elevations in blood glucose. Statins are recommended in essentially all non-cardioembolic stroke patients. The most important future directions for …