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Observational Study
Chronic pain in multiple sites is associated with cardiovascular dysfunction: an observational UK Biobank cohort study.
- Jing Tian, Ziyuan Shen, Brad A Sutherland, Flavia Cicuttini, Graeme Jones, and Feng Pan.
- Cardiovascular Research Flagship, Menzies Institute for Medical Research, University of Tasmania, Hobart, TAS, Australia.
- Br J Anaesth. 2024 Sep 1; 133 (3): 605614605-614.
BackgroundChronic pain is associated with development of cardiovascular disease. We investigated the association between how widespread chronic pain is and the development of cardiovascular dysfunction.MethodsWe analysed data from participants enrolled in the UK Biobank study who underwent examinations at baseline, plus first follow-up and two imaging visits. Pain sites (including hip, knee, back, neck/shoulder, or 'all over the body') and pain duration were recorded at each visit. Chronic pain was defined as pain lasting for ≥3 months. Participants were categorised into six groups: no chronic pain, chronic pain in one, two, three, or four sites, or 'all over the body'. Arterial stiffness index was measured at each time point. Carotid intima-media thickness, cardiac index, and left ventricular ejection fraction (LVEF) were measured using ultrasound and heart MRI at two additional imaging visits in a subset of participants. Mixed-effect linear regression models were used for the analyses.ResultsThe number of chronic pain sites was directly related to increased arterial stiffness index (n=159,360; β=0.06 per one site increase, 95% confidence interval 0.04 to 0.08). In 23,899 participants, lower LVEF was associated with widespread chronic pain (β=-0.17 per one site increase, 95% confidence interval -0.27 to -0.07). The number of chronic pain sites was not associated with carotid intima-media thickness (n=30,628) or cardiac index (n=23,899).ConclusionA greater number of chronic pain sites is associated with increased arterial stiffness and poorer cardiac function, suggesting that widespread chronic pain is an important contributor to cardiovascular dysfunction.Copyright © 2024 British Journal of Anaesthesia. Published by Elsevier Ltd. All rights reserved.
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