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The natural history of Chiari I malformation in children remains unclear. A population-based retrospective cohort study was therefore conducted. Radiology reports from all head and spine magnetic resonance imaging scans (n = 5248) performed among 741,815 children under age 20 within Kaiser Northern California, 1997-1998, were searched for Chiari I. Medical(More)
BACKGROUND AND PURPOSE Statins reduce infarct size in animal models of stroke and have been hypothesized to improve clinical outcomes after ischemic stroke. We examined the relationship between statin use before and during stroke hospitalization and poststroke survival. METHODS We analyzed records from 12 689 patients admitted with ischemic stroke to any(More)
BACKGROUND AND PURPOSE Cardiac injury is common after subarachnoid hemorrhage (SAH) and is associated with adverse early outcomes, but long-term effects are unknown. The first aim of this study was to compare the long-term rates of death, stroke, and cardiac events in SAH survivors versus a matched population without SAH. The second aim was to quantify the(More)
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