Why the study?
Is heart rate variability associated with chronic pain in an occupational sample?
Population
647 individuals from an occupational sample, with and without chronic pain
Design
Cross-sectional
Authors
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Lower HRV in chronic pain supports autonomic involvement; hypothesis-generating and should not change practice without longitudinal data.
Is heart rate variability associated with chronic pain in an occupational sample?
Chronic pain is associated with lower vagal activity as measured by heart rate variability, suggesting a disturbance in the descendent inhibitory pathway.
Koenig et al. (2015) studied this question.
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