Key result
Time domain measures of heart rate variability demonstrated better reproducibility than frequency domain measures over 44 weeks in hypertensive patients with sleep apnoea syndrome.
Why the study?
What is the reproducibility of heart rate variability indices in hypertensive patients with sleep apnoea syndrome?
Observational (n=15)
What is the reproducibility of heart rate variability indices in hypertensive patients with sleep apnoea syndrome?
Reproducibility data for heart rate variability obtained in healthy volunteers are not valid for interpreting data in patients with damaged cardiovascular autonomic control, such as those with hypertension and sleep apnea.
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Healthy volunteer HRV reproducibility data may not apply to hypertensive sleep apnoea patients; extends evidence to this population but leaves open clinical utility.
Salo et al. (1999) conducted an observational in hypertensive sleep apnoea syndrome (n=15). Heart rate variability indices vs. Reference data was evaluated on Reproducibility of heart rate variability indices. Time domain measures of heart rate variability demonstrated better reproducibility than frequency domain measures over 44 weeks in hypertensive patients with sleep apnoea syndrome.
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