Fatal and non-fatal events within 14 days after early, intensive mobilization post stroke.
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ABSTRACT: Objective
This tertiary analysis from AVERT examined fatal and non-fatal Serious Adverse Events (SAEs) at 14 days.Method
AVERT was a prospective, parallel group, assessor blinded, randomized international clinical trial comparing mobility training commenced <24 hours post stroke, termed very early mobilization (VEM) to usual care (UC). Primary outcome was assessed at 3 months. Included: Patients with ischaemic and haemorrhagic stroke within 24 hours of onset. Treatment with thrombolytics allowed. Excluded: Patients with severe premorbid disability and/or comorbidities. Interventions continued for 14 days or hospital discharge if less. The primary early safety outcome was fatal SAEs within 14 days. Secondary outcomes were non-fatal SAEs classified as neurologic, immobility-related, and other. Mortality influences were assessed using binary logistic regression adjusted for baseline stroke severity (NIHSS) and age.Results
2,104 participants were randomized to VEM (n = 1,054) or UC (n = 1,050) with a median age of 72 years (IQR 63-80) and NIHSS 7 (IQR 4-12). By 14 days, 48 had died in VEM, 32 in UC, age and stroke severity adjusted Odds Ratio of 1.76 (95% CI 1.06-2.92, p = 0.029). Stroke progression was more common in VEM. Exploratory subgroup analyses showed higher odds of death in intracerebral haemorrhage and >80 years subgroups, but there was no significant treatment by subgroup interaction. No difference in non-fatal SAEs found.Conclusion
While the overall case fatality at 14 days post-stroke was only 3.8%, mortality adjusted for age and stroke severity was increased with high dose, intensive training compared to usual care. Stroke progression was more common in VEM.Classification of evidence
This study provides Class I evidence that very early mobilization increases mortality at 14 days post stroke.Trial registration
Australian New Zealand Clinical Trials Registry, ACTRN12606000185561.
SUBMITTER: Bernhardt J
PROVIDER: S-EPMC8055346 | biostudies-literature |
REPOSITORIES: biostudies-literature
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