• Maryam Kazemi Naeini, Marina Cecelja, Maxim B Freidin, SmithIsabelle GranvilleIG0000-0003-4294-3317Department of Twin Research and Genetic Epidemiology, School of Life Course and Population Sciences, King's College London, London, United Kingdom., Pirro Hysi, Christopher Sivert Nielsen, and WilliamsFrances M KFMK0000-0002-2998-2744Department of Twin Research and Genetic Epidemiology, School of Life Course and Population Sciences, King's College London, London, United Kingdom..
• Department of Twin Research and Genetic Epidemiology, School of Life Course and Population Sciences, King's College London, London, United Kingdom.
• Pain. 2024 Dec 3.

AbstractChronic widespread pain (CWP) is prevalent and associated with reduced life expectancy. Cardiovascular disease is one possible mechanism for this. The purpose of this study was to examine the association of CWP with arterial stiffness and carotid plaque measured using ultrasound to determine if shared environmental or genetic factors might account for any observed association. Around 3000 participants from the TwinsUK with CWP information and measures of carotid-femoral pulse wave velocity (cfPWV), carotid intima-media thickness (cIMT), and plaque were considered. The relationship between CWP and cfPWV, cIMT, and plaque was determined. UK Biobank data were used to replicate the association. Cholesky decomposition and multivariate pathway twin models were examined. Using a 2-sample Mendelian randomisation approach, the causal association between CWP and coronary artery disease was assessed. TwinsUK participants demonstrated a significant association between CWP and increased cfPWV consistent with arterial stiffening (OR = 1.35, P-value = 0.012), as well as the presence of carotid plaque (OR = 1.45, P-value = 0.8e-5). The twin modelling showed a common latent component and pathway underlying CWP, cfPWV, and carotid plaque, with genetic factors accounting for 68% and 90% of the latent factor variation, respectively. The 2-sample MR revealed a potential causal association between CWP and coronary artery disease. This study found that those with CWP have increased the risk of arterial stiffness and atherosclerosis and suggests that CWP leads to an increased risk of cardiovascular disease through genetic factors.Copyright © 2024 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the International Association for the Study of Pain.

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