AI Summary & Key Takeaways
AI InsightWhile CPET parameters are affected by spinal mobility, declining aerobic capacity affects QoL.
📌 3 Key Takeaways
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Objectives: This study aims to evaluate the cardiopulmonary functions and exercise performance of patients with ankylosing spondylitis (AS) andto investigate the relationship between these parameters and disease activity, spine mobility and quality of life (QoL).Patients and methods: Forty-five patients with AS (group 1; 33 males, 12 females; mean age 43.1±12.1 years; range 22 to 70 years) and 30 controlsubjects (group 2; 23 males, 7 females; mean age 42.8±10.0; range 23 to 70 years) were included in the study. Disease activity was assessed with theBath Ankylosing Spondylitis Disease Activity Index and spinal mobility measures with the Bath Ankylosing Spondylitis Metrology Index (BASMI). TheAnkylosing Spondylitis Quality of Life (ASQoL) Questionnaire and the Maastricht Ankylosing Spondylitis Enthesitis Score (MASES) were used. Thepulmonary function test (PFT) and cardiopulmonary exercise testing (CPET) were performed.Results: There was no significant difference between groups 1 and 2 in terms of mean age. The peak expiratory flow value in PFT was significantlylower in group 1 (p<0.05). In group 1, the duration of CPET was significantly shorter, and maximum work load and metabolic equivalent weresignificantly lower than in group 2 (p<0.001). Maximum oxygen uptake (VO2max) in peak responses, work and heart rate were significantly lower ingroup 1. The duration of CPET and maximum work were negatively correlated with age and BASMI (p<0.001). VO2max was negatively correlated withage, MASES and ASQoL (p<0.05).Conclusion: There was no significant difference in PFT parameters between the groups. On the other hand, CPET parameters were significantlylower in the AS group. While CPET parameters are affected by spinal mobility, declining aerobic capacity affects QoL.