The study aim was to investigate the association between initiating mobilization within 7 days after onset and symptomatic cerebral vasospasm (SCV) in patients with aneurysmal subarachnoid hemorrhage (aSAH). Methods: This was a retrospective multicenter case-control study in Japan. Patients with a diagnosis of aSAH who underwent physical therapy with/without occupational therapy were included and categorized into 2 groups according to the presence or absence of SCV. Initiating mobilization was defined as sitting on the bed edge (at least once, with/without assist, regardless of duration) within 7 days after aSAH onset. Cox proportional hazards regression analysis was performed to evaluate the association between initiating mobilization within 7 days after onset and SCV. Results: The analysis included 510 patients. Among all included patients, 57 (11.2%) patients had SCV. In the univariate Cox proportional hazards regression analysis, initiating of mobilization was not associated with SCV (hazard ratio [HR] = 0.78; 95% confidence interval [CI] = 0.45-1.32). In the multivariate analysis, only the modified Fisher scale was significantly associated with SCV (HR = 26.23; 95% CI = 1.21-571.0). Conclusion: Initiating mobilization within 7 days after aSAH onset was not associated with SCV in patients with aSAH.

Background Early mobilization is important for promoting functional recovery and preventing complications in patients with aneurysmal subarachnoid hemorrhage (aSAH). However, the efficacy of early mobilization in patients with aSAH remains unclear. This study aimed to investigate the association between early mobilization and functional outcomes in patients with aSAH. Methods This multicenter retrospective study was conducted in Japan, including patients with aSAH who received physical therapy, with or without occupational therapy, from April 2014 to March 2019. The primary outcome was the modified Rankin Scale (mRS) score, with a favorable functional outcome defined as an mRS score of 0–2 and an unfavorable outcome with an mRS score of 3–5. Patients initiating walking training within 14 days of aSAH onset were classified into the early mobilization group, whereas those initiating training after 14 days were classified into the delayed mobilization group. Propensity score matching analysis was performed to assess the association between early mobilization and favorable outcomes. Results A total of 718 patients were screened and 450 eligible patients were identified. Before matching, 229 patients (50.9%) were in the early mobilization group and 221 (49.1%) were in the delayed mobilization group. After matching, each group consisted of 122 patients, and the early mobilization group exhibited a higher proportion of favorable outcomes than did the delayed mobilization group (81.1% vs. 52.5%; risk difference, 28.7%; 95% CI, 17.4–39.9; p < 0.001). Conclusions This multicenter retrospective study suggests that initiating walking training within 14 days of aSAH onset is associated with favorable outcomes.