To what degree patient‐reported symptoms of central sensitization, kinesiophobia, disability, sleep, and life quality associated with 24‐h heart rate variability and actigraphy measurements?
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Titel:
To what degree patient‐reported symptoms of central sensitization, kinesiophobia, disability, sleep, and life quality associated with 24‐h heart rate variability and actigraphy measurements?
Beschreibung:
<jats:title>Abstract</jats:title><jats:sec><jats:title>Objectives</jats:title><jats:p>Chronic musculoskeletal pain is associated with decreased parasympathetic and increased sympathetic activity in the autonomic nervous system. The objective of this study was to determine the associations between objective measures of heart rate variability (a measure of autonomic nervous system function), actigraphy (a measure of activity and sleep quality), respiration rates, and subjective patient‐reported outcome measures (PROMs) of central sensitization, kinesiophobia, disability, the effect of pain on sleep, and life quality.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>Thirty‐eight study subjects were divided into two subgroups, including low symptoms of central sensitization (<jats:italic>n</jats:italic> = 18) and high symptoms of central sensitization (<jats:italic>n</jats:italic> = 20), based on patient‐reported scores on the Central Sensitization Inventory (CSI). Heart rate variability (HRV) and actigraphy measurements were carried out simultaneously in 24 h measurement during wakefulness and sleep.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>A decrease in HRV during the first 2 h of sleep was stronger in the low CSI subgroup compared to the high CSI subgroup. Otherwise, all other HRV and actigraphy parameters and subjective measures of central sensitization, disability, kinesiophobia, the effect of pain on sleep, and quality of life showed only little associations.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>The high CSI subgroup reported significantly more severe symptoms of disability, kinesiophobia, sleep, and quality of life compared to the low CSI subgroup. However, there were only small and nonsignificant trend in increased sympathetic nervous system activity and poorer sleep quality on the high central sensitization subgroup. Moreover, very little differences in respiratory rates were found between the groups.</jats:p></jats:sec>