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Background and AimPolysomnography (PSG), which involves simultaneous monitoring of various physiological monitors, is the current comprehensive tool for diagnosing obstructive sleep apnea (OSA). We aimed at validating vibrating signals of snoring as a single physiological parameter for screening and evaluating severity of OSA.
MethodsTotally, 111 subjects from the sleep center of a tertiary referral...
This study aimed at validating photoplethysmography for assessing bilateral blood pressure differences through analyzing digital volume pulse (DVP) and investigating its correlations with risk of arteriosclerosis. Bland-Altman analysis demonstrated satisfactory IDVPD reproducibility (r=0.781, p=0.023) Linear regression analysis demonstrated significant correlation between IDVPD and ECG-PWV (r=0.692,...
Obstructive sleep apnea (OSA) is an independent risk factor for cardiovascular disease because of its associated autonomic nervous and vascular regulatory dysfunctions. We tested the hypothesis that the multiscale entropy (MSE) approach to heart rate variability analysis may be used for evaluating OSA severity through simultaneous assessment of these abnormalities.A total of 147 subjects were divided...
To explore information hidden in the electromyographic (EMG) signals of urethral sphincter, 19 patients with voiding difficulty were divided into two groups: Patients with detrusor overactivity (Group 1, n=7), detrusor-external sphincter dyssynergia (Group 2, n=12). All patients underwent baseline urodynamic studies for comparison. The results demonstrated that, despite no significant difference in...
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