Key result
Hemispheric brain infarction was associated with significantly lower heart rate variability compared to healthy controls (P<0.001 for standard deviation of RR intervals).
Why the study?
Does hemispheric brain infarction alter heart rate variability compared to healthy controls?
Population
31 consecutive patients with hemispheric brain infarction and 31 age- and sex-matched healthy control subjects
Comparison
Hemispheric brain infarction vs Age- and sex-matched healthy control subjects
Design
Cohort
Follow-up
6 months
Authors
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May signal autonomic dysregulation post-stroke; hypothesis-generating for prognostic or therapeutic implications.
Cohort (n=62)
Does hemispheric brain infarction alter heart rate variability compared to healthy controls?
p-value: p=<.001
Hemispheric brain infarction causes significant, long-lasting impairment of cardiovascular autonomic regulation as manifested by reduced heart rate variability.
Korpelainen et al. (1996) conducted a cohort in Hemispheric brain infarction (n=62). Hemispheric brain infarction vs. Healthy control subjects was evaluated on Heart rate variability (standard deviation of RR intervals) (p=<.001). Hemispheric brain infarction was associated with significantly lower heart rate variability compared to healthy controls (P<0.001 for standard deviation of RR intervals).
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