Abstract W MP83: Use of Optic Nerve Sheath Diameter in Emergency Department to Predict Stroke Outcome

2015 
Introduction: Elevated intracranial pressure (ICP) reflects long-term neurologic deficit and death in patients with stroke. Deterioration in neurologic exam is an early indicator of increasing ICP, however has limitations enabling accurate detection of elevated ICP due to confounding factors including fluctuations in mental status and sedation/ paralysis as part of the acute management. Optic ultrasound (OUS) represents a non-invasive technique that can be used to measure the optic nerve sheath dimension providing valuable ICP monitoring data. Hypothesis: Optic ultrasound (OUS) can measure optic nerve sheath size and may be used as a screening tool to identify patients at risk of mortality from increased ICP. Methods: In a prospective convenience sample study, 86 stroke patients were studied at a tertiary care center. On the day of admission and following day, bedside OUS was performed to measure Optic nerve sheath diameter (ONSD). A longitudinal and transverse measurement were taken on both eyes of each ...
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