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Lack of association of high body mass index with risk for developing polymyalgia rheumatica

Deana D Hoganson1, Cynthia S Crowson, Kenneth J Warrington

  • 1Division of Rheumatology, Mayo Clinic, Rochester, MN 55905, USA. hoganson.deana@mayo.edu

Abstract

Insights

High body mass index (BMI) does not increase the risk of developing polymyalgia rheumatica (PMR). BMI also did not affect treatment duration or the development of giant-cell arteritis (GCA) in PMR patients.

Area of Science:

  • Rheumatology
  • Immunology
  • Epidemiology

Background:

  • High body mass index (BMI) may influence immune system function.
  • Understanding BMI's role in inflammatory conditions is crucial.

Purpose of the Study:

  • To investigate the association between BMI and polymyalgia rheumatica (PMR).
  • To assess BMI's impact on glucocorticoid treatment duration in PMR.
  • To examine BMI's influence on the development of giant-cell arteritis (GCA) in PMR patients.

Main Methods:

  • Compared BMI in 364 PMR patients versus non-PMR individuals from a population-based cohort.
  • Defined high BMI as >= 25 kg/m2 and low BMI as < 18.5 kg/m2.
  • Analyzed associations between BMI and PMR, glucocorticoid duration, and GCA development.

Main Results:

  • Mean BMI was similar between PMR and non-PMR groups (26 vs 25.9 kg/m2).
  • No association was found between BMI and the duration of glucocorticoid therapy.
  • BMI did not significantly correlate with the development of GCA in PMR patients.

Conclusions:

  • High BMI (>= 25 kg/m2) does not increase the likelihood of developing PMR.
  • BMI does not appear to influence glucocorticoid treatment duration or GCA occurrence in PMR patients.

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