EFFECTS OF SMOKING IN PATIENTS WITH AXIAL SPONDYLOARTHRITIS RECEIVING TUMOR NECROSIS FACTOR INHIBITORS THERAPY
Abstract
Material and Method: Our study consisted of 211 patients who were diagnosed with axSpA and received TNFi treatment in the rheumatology outpatient clinic. The patients were evaluated retrospectively, cross-sectionally and grouped by intensity of smoking (pack-years). Those who smoked>20 pack-years were defined as heavy smokers. Groups were compared in terms of physical examination, laboratory values and disease evaluation indexes (Bath Ankylosing Spondylitis Metrology Index (BASMI), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI), Bath Ankylosing Spondylitis Functional Index (BASFI), Ankylos- ing Spondylitis Quality of Life (ASQoL) and Beck Depression In- ventory (BDI) scores. Mann-Whitney U and Spearman correlation analysis tests were used for data analysis
Results: Comparison of the smoker (n=121) and non-smoker groups (n=90) revealed BASMI was lower in the non-smoker group (p=0.04). Smoking intensity correlated with BDI (r=0.323, p<0.001), BASDAI (r=0.257, p=0.005), BASMI components (lomber lateral flexion (LLF) (r=-0.303, p=0.001), cervical rotation (CR) (r=-0.232, p=0.012), and tragus wall distance (TWD) (r=0.27, p=0.003)). Multivariate analysis revealed an association between the pack-years of smoking and the BASMI [regression coefficient (B)=0.067, standard error (SE)=0.22, 95%CI=0.02, 0.10; p=0.003], baseline (B=pretreatment)-last value (L.=posttreatment) difference of BASFI [B=-0.063, SE=0.02, 95%CI=-0.10, -0.20; p=0.003], of BASDAI [B=-0.047, SE=0.02, 95%CI=-0.08, -0.007; p=0.026], ASQoL [B=-0.125, SE=0.04, 95%CI=0.04, -0.20; p=0.003]. In heavy smokers, significant worsening was found in LLFL (p=0.01), CRL (p=0.04), TWDL (p=0.001), BASFIL (p=0.035) and BASMIL (p=0.001). Significant differences were found in the baseline (B) and last (L) BASDAI (p=0.042), BASFIL (p=0.002), BASFIB-L (p=0.07) and BASMI (p=0.03) values in the nonradiograpic-axSpA group in heavy smokers, compared to the AS group.
Conclusion: Our study showed that smoking, especially heavy smoking, has a negative effect in every phase of axSpA. Smok- ing intensity may correlate with reduced response to TNFi.
Keywords: Axial spondyloarthritis, ankylosing spondylitis, non-radiographic axial spondyloarthiris, tumor necrosis factor inhibitor therapy, smoking
Keywords
- Axial spondyloarthritis
- ankylosing spondylitis
- non-radiographic axial spondyloarthiris
- tumor necrosis factor inhibitor therapy
- smoking
Project Number
References
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Details
Primary Language
English
Subjects
Health Care Administration
Journal Section
Research Article
Authors
Özlem Pehlivan
*
0000-0002-6887-1801
Türkiye
Bahar Artım Esen
This is me
0000-0002-5659-3955
Türkiye
Nihat Hüseyinsinoğlu
This is me
0000-0001-9608-5974
Türkiye
Ahmet Gül
0000-0001-8219-3720
Türkiye
Murat İnanç
This is me
0000-0002-6376-5583
Türkiye
Lale Öçal
0000-0003-3615-256X
Türkiye
Publication Date
July 6, 2022
Submission Date
January 29, 2022
Acceptance Date
April 18, 2022
Published in Issue
Year 2022 Volume: 85 Number: 3