Disrupted daily rhythms are linked to poorer outcomes after stroke
A review connects circadian disruption with poorer stroke prognosis, while leaving cause and treatment benefit unresolved.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Disrupted daily rhythms were commonly reported after stroke and were associated with poorer outcomes in many studies. Those outcomes included function, cognition, mood and survival in hospital. The review does not establish that rhythm disruption causes worse recovery, or that changing those rhythms improves recovery; it identifies a relationship that warrants further study.
The synthesis counts studies with associations but gives no pooled effect size or consistent follow-up period. Abstract-only information cannot resolve whether rhythm disruption contributes to, or reflects, a worse prognosis.
What researchers found
Association with at least one poorer stroke outcome
Circadian disruption was associated with poorer prognosis; comparison definitions and follow-up periods were unspecified. This percentage describes prognosis studies, not patients or an increase in risk.
What the abstract covers
The review asked how daily rhythms change after stroke and whether those changes relate to prognosis. Studies used hormonal, autonomic, behavioral and genetic markers, rather than a single shared measure of disruption.
An association leaves questions
The authors propose investigating treatments aimed at circadian rhythms. That is a research direction: the reported synthesis examines links with prognosis and does not demonstrate that a rhythm-focused treatment improves stroke recovery.
The original publication
Post-stroke circadian rhythm disruption and stroke prognosis: A systematic review.
Zhang M, Nath N, Chu L et al.
Psychiatry Clin Neurosci · 2026
- PubMed ID
- 41277818
- Record checked
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