Pain medicine

MRI-derived abdominal adipose tissue is associated with multisite and widespread chronic pain

Reg Anesth Pain MedPublished Prospective cohort study

Authors' conclusion

Abdominal adipose tissue was associated with chronic musculoskeletal pain, suggesting that excessive and ectopic fat depositions may be involved in the pathogenesis of multisite and widespread chronic musculoskeletal pain.

Study context

Population
UK Biobank participants with abdominal MRI at two imaging visits50.8% women
Participants
32,409 participants
Exposure
MRI-derived abdominal visceral and subcutaneous adipose tissue, per SD
Outcome
Number of chronic musculoskeletal pain sites (neck/shoulder, back, hip, knee or 'all over the body')
Methodological detailspopulation-based, UK Biobank, mixed-effects ordinal/multinomial/logistic regression
  • Population-based
  • UK Biobank
  • Mixed-effects ordinal/multinomial/logistic regression

Main finding

As reported in the abstract

Number of chronic pain sites (multivariable, per SD)
Odds ratio (95% CI)
Women: visceral adipose tissueper SD
2.04(1.85–2.26)
Women: subcutaneous adipose tissue
1.60(1.50–1.70)
Women: visceral/subcutaneous ratio
1.60(1.37–1.87)
Men: visceral adipose tissue
1.34(1.26–1.42)
Men: subcutaneous adipose tissue
1.39(1.29–1.49)
Men: visceral/subcutaneous ratio
1.13(1.07–1.20)

Per SD, as printed

Observational data: associations, not effects.

Further findings

Reporting chronic pain

Higher adipose tissue associated with greater odds of chronic pain in both sexes

Sex difference

Effect estimates relatively larger in women than in men

Original publication

MRI-derived abdominal adipose tissue is associated with multisite and widespread chronic pain. Reg Anesth Pain Med. Published 10 September 2024. doi:10.1136/rapm-2024-105535

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