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Chen, Hui-Sheng; Zhang, Nan-Nan; Cui, Yu; Li, Xiao-Qiu; Zhou, Cheng-Shu; Ma, Yu-Tong; Zhang, Hong; Jiang, Chang-Hao; Li, Run-Hui; Wan, Li-Shu; Jiao, Zhen; Xiao, Hong-Bo; Li, Zhuo; Yan, Ting-Guang; Wang, Duo-Lao; Nguyen, Thanh N
Nature communications, 05/2023, Volume: 14, Issue: 1Journal Article
We aim to explore the effect of head-down position (HDP), initiated within 24 hours of onset, in moderate anterior circulation stroke patients with probable large artery atherosclerosis (LAA) etiology. This investigator-initiated, multi-center trial prospective, randomized, open-label, blinded-endpoint, multi-center and phase-2 trial was conducted in China and completed in 2021. Eligible patients were randomly assigned (1:1) into the HDP group receiving -20° Trendelenburg, or control group receiving standard care according to national guideline. The primary endpoint was proportion of modified Rankin Scale (mRS) of 0 to 2 at 90 days, which is a scale for measuring the degree of disability after stroke. 90-day mRS was assessed by a certified staff member who was blinded to group assignment. A total of 96 patients were randomized (47 in HDP group and 49 in control group) and 94 (97.9%) patients were included in the final analysis: 46 in HDP group and 48 in control group. The proportion of favorable outcome was 65.2% (30/46) in the HDP group versus 50.0% (24/48) in the control group (unadjusted: OR 2.05 95%CI 0.87-4.82, P = 0.099). No severe adverse event was attributed to HDP procedures. This work suggests that the head-down position seems safe and feasible, but does not improve favorable functional outcome in acute moderate stroke patients with LAA. This trial was registered with ClinicalTrials.gov, NCT03744533.
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