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Patients requiring conversion to general anesthesia during endovascular therapy have worse outcomes: a post hoc analysis of data from the SAGA collaboration

BACKGROUND AND PURPOSE: Endovascular therapy for acute ischemic stroke is often performed with the patient under conscious sedation. Emergent conversion from conscious sedation to general anesthesia is sometimes necessary. The aim of this study was to assess the functional outcome in converted patie...

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Main Authors: Simonsen, Claus Z. (Author) , Schönenberger, Silvia (Author) , Hendén, P. L. (Author) , Yoo, A. J. (Author) , Uhlmann, Lorenz (Author) , Rentzos, A. (Author) , Bösel, J. (Author) , Valentin, J. (Author) , Rasmussen, M. (Author)
Format: Article (Journal)
Language:English
Published: December 11, 2020
In: American journal of neuroradiology
Year: 2020, Volume: 41, Issue: 12, Pages: 2298-2302
ISSN:1936-959X
DOI:10.3174/ajnr.A6823
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.3174/ajnr.A6823
Verlag, lizenzpflichtig, Volltext: http://www.ajnr.org/content/41/12/2298
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Author Notes:C.Z. Simonsen, S. Schönenberger, P.L. Hendén, A.J. Yoo, L. Uhlmann, A. Rentzos, J. Bösel, J. Valentin, and M. Rasmussen
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Summary:BACKGROUND AND PURPOSE: Endovascular therapy for acute ischemic stroke is often performed with the patient under conscious sedation. Emergent conversion from conscious sedation to general anesthesia is sometimes necessary. The aim of this study was to assess the functional outcome in converted patients compared with patients who remained in conscious sedation and to identify predictors associated with the risk of conversion. - MATERIALS AND METHODS: Data from 368 patients, included in 3 trials randomizing between conscious sedation and general anesthesia before endovascular therapy (SIESTA, ANSTROKE, and GOLIATH) constituted the study cohort. Twenty-one (11%) of 185 patients randomized to conscious sedation were emergently converted to general anesthesia. - RESULTS: Absence of hyperlipidemia seemed to be the strongest predictor of conversion to general anesthesia, albeit a weak predictor (area under curve = 0.62). Sex, hypertension, diabetes, smoking status, atrial fibrillation, blood pressure, size of the infarct, and level and side of the occlusion were not significantly associated with conversion to general anesthesia. Neither age (mean age, 71.3 ± 13.8 years for conscious sedation versus 71.6 ± 12.3 years for converters, P = .58) nor severity of stroke (mean NIHSS score, 17 ± 4 versus 18 ± 4, respectively, P = .27) were significantly different between converters and those who tolerated conscious sedation. The converters had significantly worse outcome with a common odds ratio of 2.67 (P = .015) for a shift toward a higher mRS score compared with the patients remaining in the conscious sedation group. - CONCLUSIONS: Patients undergoing conversion had significantly worse outcome compared with patients remaining in conscious sedation. No factor was identified that predicted conversion from conscious sedation to general anesthesia.
Item Description:Gesehen am 01.03.2021
Physical Description:Online Resource
ISSN:1936-959X
DOI:10.3174/ajnr.A6823

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