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Background and Purpose— There is considerable heterogeneity in practice patterns between sedation in the intubated state vs nonintubated state during endovascular acute stroke therapy. We sought to compare clinical and radiographic outcomes between these 2 sedation modalities. Methods— Consecutive patients with acute stroke due to middle cerebral artery–M1 segment occlusion treated with endovascular therapy between January 2006 and July 2009 were identified in our interventional acute stroke database. Level of sedation was determined as intubated (IS) vs nonintubated (NIS) state. Final infarct volumes on follow-up imaging and clinical outcomes at 3 to 6 months were obtained. Results— A total of 126 patients were included (73 58% NIS vs 53 42% IS). In IS patients, intensive care unit length of stay was longer (6.5 vs 3.2 days, P =0.0008). Intraprocedural complications were lower in NIS patients compared with IS patients (5/73 6% vs 8/53 15%, respectively), but the difference was not significant ( P =0.13). In univariate and multivariate analyses, NIS was significantly associated with in-hospital mortality (odds ratio=0.32, P =0.011), good clinical outcome (odds ratio=3.06, P =0.042), and final infarct volume (odds ratio=0.25, P =0.004). Conclusion— In endovascular acute stroke therapy, treatment of patients in NIS appears to be as safe as treatment in IS and may result in more favorable clinical and radiographic outcomes. Our preliminary observations derived from this retrospective study await confirmation from prospective trials.
Jumaa et al. (Thu,) studied this question.