Baseline and 2-year differences in spinal symptoms and spinal and hip mobility in early axial spondyloarthritis and non-axial spondyloarthritis chronic back pain patients.
Ana Bento da Silva, Sofia Ramiro, Miranda van Lunteren, Mary Lucy Marques, Marleen van de Sande, Camilla Fongen, Sofia Exarchou, Roberta Ramonda, Désirée van der Heijde, Floris A van Gaalen
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引用次数: 0
Abstract
Objective: To compare spinal symptoms and spinal/hip mobility at baseline and 2 years in early axial spondyloarthritis (axSpA) and non-axSpA chronic back pain (BP) patients.
Methods: Baseline and 2 years data of the SPondyloarthritis Caught Early cohort were analysed. Outcomes assessed: overall BP, BP at night, morning stiffness (MS) intensity, MS duration, occiput-to-wall distance (OWD), cervical rotation, chest expansion, lateral spinal flexion (LSF), modified Schober test (mSchober), intermalleolar distance (IMD) and Bath Ankylosing Spondylitis Metrology Index (BASMI). Linear or zero-inflated negative binomial regression was used to compare 2 years outcomes between groups (adjusting for baseline value, sex, age and use of non-steroidal anti-inflammatory drugs).
Results: There were 294 axSpA and 123 non-axSpA patients (mean symptom duration: 13 months). At baseline, non-axSpA patients had worse symptoms and mobility, except OWD (eg, mean(SD): BP at night 3.6 (2.9) axSpA vs 4.6 (2.7) non-axSpA; OWD 0.5 (1.2) vs 0.1 (0.7)). After 2 years, all symptoms and cervical rotation significantly improved in both groups, but LSF and mSchober only in axSpA. In multivariable analyses, axSpA was associated with larger improvements in BP at night (β (95% CI): -0.85 (-1.47; -0.23)), mSchober (0.26 (0.03; 0.50)), IMD (4.86 (1.93; 7.80)) and BASMI (-0.24 (-0.41; -0.08)), and with lower likelihood of a normal OWD (OR (95% CI): 0.09 (0.01; 0.83)).
Conclusion: Over 2 years, all spinal symptoms and some mobility measures improved in both groups, but impairments remained prevalent (particularly in non-axSpA). Nevertheless, axSpA was associated with larger improvements in BP at night, mSchober, IMD and BASMI, but with more OWD impairment.
期刊介绍:
RMD Open publishes high quality peer-reviewed original research covering the full spectrum of musculoskeletal disorders, rheumatism and connective tissue diseases, including osteoporosis, spine and rehabilitation. Clinical and epidemiological research, basic and translational medicine, interesting clinical cases, and smaller studies that add to the literature are all considered.