A large, retrospective study indicates that in patients with acute ischemic stroke, endovascular interventions performed under conscious sedation carry a lower risk of poor neurological outcome and mortality than those performed under general anesthetic. Owing to a number of potential confounding factors, however, the results must be interpreted with caution.
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Meyers, P., Heyer, E. Sedation and anesthesia during endovascular stroke therapy. Nat Rev Neurol 6, 474–475 (2010). https://doi.org/10.1038/nrneurol.2010.110
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DOI: https://doi.org/10.1038/nrneurol.2010.110