Stroke; a journal of cerebral circulation
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This is a retrospective review of patients who underwent endovascular recanalization > or = 8 hours after acute ischemic stroke symptom onset, including wake-up strokes, between June 2005 and June 2008. ⋯ Our data show that delayed endovascular revascularization of carefully selected patients is safe, effective, and improves clinical outcome.
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Letter Review Meta Analysis
Reliability of the modified Rankin Scale: a systematic review.
A perceived weakness of the modified Rankin Scale is potential for interobserver variability. We undertook a systematic review of modified Rankin Scale reliability studies. ⋯ There remains uncertainty regarding modified Rankin Scale reliability. Interobserver studies closest in design to large-scale clinical trials demonstrate potentially significant interobserver variability.
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Letter Meta Analysis
Do endothelin-receptor antagonists prevent delayed neurological deficits and poor outcomes after aneurysmal subarachnoid hemorrhage?: a meta-analysis.
Delayed ischemic neurological deficits (DINDs) contribute to poor outcomes after aneurysmal subarachnoid hemorrhage (SAH). Endothelin-1 is an important mediator involved in the development of vasospasm. ⋯ Although ETRAs reduce radiographic vasospasm and DINDs, there is currently no evidence that they improve outcomes.
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Letter
Total mismatch: negative diffusion-weighted imaging but extensive perfusion defect in acute stroke.
The perfusion-weighted imaging (PWI)/diffusion-weighted imaging (DWI) mismatch may identify patients who benefit from thrombolysis. However, some patients exhibit a "total mismatch," ie, negative DWI but extensive PWI defect. We aimed to assess clinical and MRI data of these patients. ⋯ PWI may be helpful for treatment decisions in patients without DWI damage and fluctuating clinical course.