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Blood Pressure After Endovascular Thrombectomy: Modeling for Outcomes Based on Recanalization Status.

著者 Matusevicius M , Cooray C , Bottai M , Mazya M , Tsivgoulis G , Nunes AP , Moreira T , Ollikainen J , Tassi R , Strbian D , Toni D , Holmin S , Ahmed N
Stroke.2019 Dec 11 ; ():STROKEAHA119026914.
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Background and Purpose- The optimal level for blood pressure after endovascular thrombectomy in acute ischemic stroke is not well established. We sought to evaluate the association of post-endovascular thrombectomy systolic blood pressure (SBP) levels with clinical outcomes. Methods- We included endovascular thrombectomy-treated patients registered from 2014 to 2017 in the Safe Implementation of Treatments in Stroke International Thrombectomy Registry. The mean 24-hour SBP after endovascular thrombectomy treatment was analyzed both as a continuous variable and in intervals. The primary outcome was 3-month functional independence (modified Rankin Scale score of 0-2). The secondary outcomes were symptomatic intracerebral hemorrhage (SICH) and 3-month mortality. The SBP interval with the highest proportion of functional independence was chosen as reference. All analyses were performed for successful or unsuccessful recanalization (modified Treatment in Cerebral Ischemia score ≥2b or <2b, respectively). The results were adjusted for known confounders in logistic regression models. Results- In the multivariable analyses, a higher SBP value as a continuous variable was associated unfavorably with all outcomes in patients with successful recanalization (n=2920) and with more SICH in patients with unsuccessful recanalization (n=711). SBP interval ≥160 mm Hg was associated with less functional independence (adjusted odds ratio, 0.28 [95% CIs, 0.15-0.53]) and more SICH (adjusted odds ratio, 6.82 [95% CIs, 1.53-38.09]) compared with reference 100 to 119 mm Hg in patients with successful recanalization. SBP ≥160 mm Hg was associated with more SICH (adjusted odds ratio, 6.62 [95% CIs, 1.07-51.05]) compared with reference 120 to 139 mm Hg in patients with unsuccessful recanalization. Conclusions- Higher SBP values were associated with less functional independence at 3 months in patients with successful recanalization and with more SICH regardless of recanalization status.
PMID: 31822252 [PubMed - as supplied by publisher]
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