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- W3006301079 abstract "Introduction: Blood pressure (BP) is an important modifiable parameter after endovascular thrombectomy (EVT). Observational studies have found associations between elevated BP after EVT with hemorrhagic transformation and poor functional outcome. However, blood pressure course after EVT has not been well characterized and optimal hemodynamic management in the immediate post-stroke period remains unresolved. We utilized blood pressure data up to 72 hours after EVT to identify distinct systolic BP (SBP) trajectories and studied their associations with functional outcome. Methods: We retrospectively studied a multicenter cohort of 1060 patients with large-vessel occlusion stroke who underwent EVT. BP was recorded non-invasively recorded at least hourly for the first 72 hours. Functional outcome was assessed using the modified Rankin scale (mRS). Favorable functional outcome was defined as mRS <. Latent variable mixture modeling was applied to identify patient subgroups that have comparable SBP trajectories. All analyses were adjusted for age, admission NIHSS, and recanalization status. Results: One thousand sixty patients (mean age 70±15, mean NIHSS 16) were included in the analysis. Five distinct SBP trajectories were identified: (1) low (17%), (2) moderate (38%), (3) moderate-to-high (21%), (4) high-to-moderate (17%), and (5) high (7%) (Figure 1A). SBP trajectory group was an independent predictor of functional outcome at discharge (p=0.001) and 90 days (p=0.010, Figure 1B). Patients with high and high-to-moderate SBP trajectories had a significantly higher odds of an unfavorable outcome at 90 days (adjusted OR 2.3, 95%CI 1.2 - 4.3, p=0.01 and adjusted OR 4, 95% CI 1.5-10.7, p=0.06, respectively) Conclusions: During the first 72 hours after EVT, acute ischemic stroke patients show distinct SBP trajectories, which differ in relation to functional outcome. The findings may help recognize potential candidates for future blood pressure control trials." @default.
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- W3006301079 date "2020-02-01" @default.
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- W3006301079 title "Abstract 120: Systolic Blood Pressure Trajectories 72 Hours After Mechanical Thrombectomy Are Associated With Poor Functional Outcome: A Multicenter Analysis of Individual Patient Blood Pressure Data" @default.
- W3006301079 doi "https://doi.org/10.1161/str.51.suppl_1.120" @default.
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