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How accurate are prehospital prediction scales for large anterior vessel occlusion?


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Journal
JAMA Neurology
Reuters Health - 02/12/2020 - A comparison of seven prediction scales for symptomatic large anterior vessel occlusion (sLAVO) found that all had good accuracy, high specificity and low sensitivity, although two scored highest. "The passing of time between stroke onset and starting endovascular thrombectomy (EVT) is the most important factor limiting clinical efficacy," Dr. Nyika Kruyt of Leiden University Medical Center told Reuters Health by email. "Taking into account that after a work-up in a primary stroke center, transferring a patient to a comprehensive stroke center takes about 60 minutes, it is of paramount importance to triage these patients in the ambulance to allocate them to a comprehensive stroke center immediately." As reported in JAMA Neurology, the study was conducted from July 2018-October 2019 in an urban center in the Netherlands with a population of approximately two million people, and included two emergency medical services (EMSs), three compre...


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