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Abstract Number: 1634

The Impact of Comorbidities on Physical Function in Patients with Ankylosing Spondylitis and Psoriatic Arthritis Attending Rheumatology Clinics. Results of a National Study

Cristina Fernández-Carballido1, Maria Auxiliadora Martin2, María Carmen García-Gómez3, Santos Castañeda4, Carlos González-Juanatey5, Fernando Sánchez-Alonso6, Rosario García-Vicuña7, Celia Erausquin8, Francisco J Lopez-Longo9, María D Sanchez-Gonzalez10, Alfonso Corrales11, Estefania Quesda-Masachs12, Eugenio Chamizo Carmona13, Carmen Barbadillo14, Javier Bachiller15, Tatiana Cobo-Ibáñez16, Ana Turrión Nieves17, Emilio Giner Serret18, Javier Llorca19 and Miguel Angel González-Gay11, 1Rheumatology Division, Hospital General Universitario de Elda, Elda, Spain, 2Research Unit of Spanish Society of Rheumatology,, Madrid, Spain, 3Rheumatology Division, Consorci Sanitari de Terrassa, Terrassa (Barcelona), Spain, 4Hospital Universitario La Princesa, IIS-Princesa, Madrid, Spain, 5Division of Cardiology, Hospital Universitario Lucus Augusti, Lugo, Spain, 6Unidad de Investigación, Spanish Society of Rheumatology, Madrid, Spain, 7Rheumatology, Hospital Universitario de La Princesa. IIS La Princesa, Madrid, Spain, 8Rheumatology, Hospital de Gran Canaria Dr Negrin, Las Palmas GC, Spain, 9Rheumatology Department, Hospital Gregorio Marañón, Madrid, Spain, 10Rheumatology, Hospital Clínico, Salamanca, Spain, 11Rheumatology, Hospital Universitario Marqués de Valdecilla. IDIVAL. Santander. Universidad de Cantabria. Spain, Santander, Spain, 12Rheumatology Division, Hospital Vall Hebrón, Barcelona, Spain, 13Rheumatology, Hospital de Mérida, Merida, Spain, 14Hospital Universitario Puerta de Hierro, Madrid, Spain, 15Immuno-Rheumatology research group, IRYCIS. Ramón y Cajal University Hospital, Madrid, Spain, 16Hospital Universitario Reina Sofía, Universidad Europea de Madrid, Madrid, Spain, 17Rheumatology, Hospital Universitario de Salamanca. Spain, Salamanca, Spain, 18Rheumatology, H Obispo Polanco, Teruel, Spain, 19Department of Epidemiology and Computational Biology, School of Medicine, University of Cantabria, and CIBER Epidemiología y Salud Pública (CIBERESP), IDIVAL, Santander, Spain, Santander, Spain

Meeting: 2018 ACR/ARHP Annual Meeting

Keywords: Ankylosing spondylitis (AS), Cardiovascular disease, Comorbidity, Physical function and psoriatic arthritis

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Session Information

Date: Monday, October 22, 2018

Session Title: Spondyloarthritis Including Psoriatic Arthritis – Clinical Poster II: Clinical/Epidemiology Studies

Session Type: ACR Poster Session B

Session Time: 9:00AM-11:00AM

Background/Purpose: Functional status gets worse with comorbidities regardless of disease activity in patients with rheumatoid arthritis (RA). However, the impact of comorbidities on physical function in ankylosing spondylitis (AS) and psoriatic arthritis (PsA) is less known.

The aim of this study is to assess the impact of comorbidities on physical function in patients with AS and PsA.

Methods: Analysis of the baseline visit from the ongoing multicentric, observational, prospective, CARdiovascular in rheuMAtology (CARMA) study. For this study, data from patients with AS and PsA were analyzed. Two different multivariate models were performed, where physical function was the dependent variable (using BASFI in AS and HAQ in PsA) and the following independent variables: comorbidities, a proxy for the Charlson index (CCIp) (minimum 0; maximum 27), sociodemographic (age, sex and educational level), disease activity (ESR, CRP and BASDAI in AS; while SJC, TJC, CRP, ESR, DAS, dactylitis count and PASI in PsA), disease duration, radiographic damage (defined as “spinal radiographic changes” in AS and “presence of erosions” for PsA), and treatments (for the rheumatic disease and comorbidities); adjusted for disease activity, radiographic damage and sociodemographic variables. Results are presented as β coefficients and p-values.

Results: 738 patients with AS and 721 with PsA included (mean age at inclusion 48.1±11.7 and 51.8 ±12 years, respectively, p<0.001). Patients with AS: median BASFI 3.1 [interquartile range (IQR): 1.3-5.2], BASDAI 3.5 [IQR: 1.7-5.3], mean CCIp 1.32±0.73. PsA patients: HAQ 0.4 [IQR: 0.0-0.9], DAS28 2.9 [IQR 2.0-3.8], mean CCIp 1.30±0.66. A CCIp >1 was found in 21% of the patients. Patients with PsA have higher BMI and more hypercholesterolemia; on the other hand, we found more smokers among patients with AS (all p<0.001). No differences between the two groups were found regarding the different comorbidities, except for a higher prevalence of chronic pulmonary disease in patients with AS. Patients with PsA with higher CCIp showed worse adjusted physical function (β: 0.09; p=0.005). In patients with AS, the CCIp was not independently associated with physical function, but thyroid disease (β: 1.18, p=0.002), disease activity (BASDAI; β: 0.81, p<0.001) and spinal radiographic damage (β: 0.61, p<0.001) were independently associated. In patients with PsA, obesity (β: 0.09; p=0.04), disease duration (β: 0.01; p=0.009), disease activity (DAS-28, β: 0.19; p<0.001) and NSAIDs (β: 0.1; p=0.014), corticosteroids (β: 0.12; p=0.02) and biologic DMARD use (β: 0.15; p<0.001) were associated with worse physical function. In contrast, a higher educational level was associated with less disability (β: -0.27; p=0.004).

Conclusion: The presence of comorbidities in patients with PsA is independently associated with worse physical function, similar to what happens in RA. Early detection and control may yield an integral management of the disease and better final outcomes.

Acknowledgements: This project has been supported by an unrestricted grant from Abbvie, Spain. The design, analysis, interpretation of results and preparation of the manuscript has been done independently of Abbvie.


Disclosure: C. Fernández-Carballido, None; M. A. Martin, None; M. C. García-Gómez, None; S. Castañeda, None; C. González-Juanatey, None; F. Sánchez-Alonso, None; R. García-Vicuña, None; C. Erausquin, None; F. J. Lopez-Longo, None; M. D. Sanchez-Gonzalez, None; A. Corrales, None; E. Quesda-Masachs, None; E. Chamizo Carmona, None; C. Barbadillo, None; J. Bachiller, None; T. Cobo-Ibáñez, None; A. Turrión Nieves, None; E. Giner Serret, None; J. Llorca, None; M. A. González-Gay, None.

To cite this abstract in AMA style:

Fernández-Carballido C, Martin MA, García-Gómez MC, Castañeda S, González-Juanatey C, Sánchez-Alonso F, García-Vicuña R, Erausquin C, Lopez-Longo FJ, Sanchez-Gonzalez MD, Corrales A, Quesda-Masachs E, Chamizo Carmona E, Barbadillo C, Bachiller J, Cobo-Ibáñez T, Turrión Nieves A, Giner Serret E, Llorca J, González-Gay MA. The Impact of Comorbidities on Physical Function in Patients with Ankylosing Spondylitis and Psoriatic Arthritis Attending Rheumatology Clinics. Results of a National Study [abstract]. Arthritis Rheumatol. 2018; 70 (suppl 9). https://acrabstracts.org/abstract/the-impact-of-comorbidities-on-physical-function-in-patients-with-ankylosing-spondylitis-and-psoriatic-arthritis-attending-rheumatology-clinics-results-of-a-national-study/. Accessed March 21, 2023.
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