Vertebral fractures are increased in rheumatoid arthritis despite recent therapeutic advances: a case-control study
Por:
Guañabens N, Olmos JM, Hernández JL, Cerdà D, Hidalgo Calleja C, Martinez López JA, Arboleya L, Aguilar Del Rey FJ, Martinez Pardo S, Ros Vilamajó I, Suris Armangué X, Grados D, Beltrán Audera C, Suero-Rosario E, Gómez Gracia I, Salmoral Chamizo A, Martín-Esteve I, Florez H, Naranjo A, Castañeda S, Ojeda Bruno S, García Carazo S, García Vadillo A, López Vives L, Martínez-Ferrer À, Borrell Paños H, Aguado Acín P, Castellanos-Moreira R, Tebé C and Gómez-Vaquero C
Publicada:
1 jul 2021
Ahead of Print:
1 ene 2021
Resumen:
Prevalence and risk factors of vertebral fractures in postmenopausal RA women were assessed in 323 patients and compared with 660 age-matched women. Of patients, 24.15% had at least one vertebral fracture vs.16.06% of controls. Age, glucocorticoids and falls were the main fracture risks. Vertebral fractures were associated with disease severity.
Introduction There is little quality data on the updated prevalence of fractures in rheumatoid arthritis (RA) that may have changed due to advances in the therapeutic strategy in recent years. This study was aimed at analysing the prevalence and risk factors of vertebral fractures in postmenopausal women with RA and comparing it with that of the general population.
Methods We included 323 postmenopausal women diagnosed with RA from 19 Spanish Rheumatology Departments, randomly selected and recruited in 2018. Lateral radiographs of the thoracic and lumbar spine were obtained to evaluate morphometric vertebral fractures and the spinal deformity index. We analysed subject characteristics, factors related to RA, and fracture risk factors. The control group consisted of 660 age-matched Spanish postmenopausal women from the population-based Camargo cohort.
Results Seventy-eight (24.15%) RA patients had at least one vertebral fracture. RA patients had increased fracture risk compared with controls (106 of 660, 16.06%) (p = 0.02). Logistic regression analysis showed that age (OR 2.17; 95% CI 1.27-4.00), glucocorticoids (OR 3.83; 95% CI 1.32-14.09) and falls (OR 3.57; 95% CI 1.91-6.86) were the independent predictors of vertebral fractures in RA patients. The subgroup with vertebral fractures had higher disease activity (DAS28: 3.15 vs. 2.78, p = 0.038) and disability (HAQ: 0.96 vs. 0.63, p = 0.049), as compared with those without vertebral fractures.
Conclusion The risk of vertebral fracture in RA is still high in recent years, when compared with the general population. The key determinants of fracture risk are age, glucocorticoids and falls. Patients with vertebral fractures have a more severe RA.
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