Key result
HRV biofeedback improves autonomic function, cognition, and psychological distress following acute ischemic stroke.
Why the study?
Autonomic dysfunction, cognitive impairment, and psychological distress predict poorer prognosis in acute ischemic stroke, but the effects of heart rate variability biofeedback in this population remained unclear.
Does heart rate variability biofeedback improve autonomic function, cognitive impairment, and psychological distress in patients with acute ischemic stroke?
RCT (n=35)
Single-blind
randomly assigned
Does heart rate variability biofeedback improve autonomic function, cognitive impairment, and psychological distress in patients with acute ischemic stroke?
p-value: p=<.001
Heart rate variability biofeedback significantly improves autonomic function, cognitive impairment, and psychological distress in patients with acute ischemic stroke.
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Supports adjunctive HRV biofeedback in acute ischemic stroke care; extends prior benefits from other populations.
Chang et al. (2019) conducted an RCT in acute ischemic stroke (AIS) (n=35). heart rate variability biofeedback (HRVBF) vs. usual care was evaluated on HRV, mini-mental status examination (MMSE), and Hospital Anxiety and Depression Scales (HADS) (p=<.001). Heart rate variability biofeedback significantly improved autonomic function and psychological distress (p<0.001), and cognitive function over time (p<0.05), in patients with acute ischemic stroke.
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