摘要：

Axial spondyloarthritis (ax-SpA) is an autoinflammatory disease affecting multiple organs. While emphasizing the treatment of chronic diseases, it has been found that the prevalence of mental disorders and insomnia in patients is also increasing. We investigated mood status, sleep quality and the health-related quality of life (HRQoL) in these patients. A total of 94 pairs ax-SpA patients and age- and sex-matched healthy controls were included in this cross-sectional study. Demographic and clinical data were collected. We assessed the disease activity by the Ankylosing Spondylitis Disease Activity Score, including C-reactive protein (ASDAS-CRP), the Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and the Bath Ankylosing Spondylitis Functional Index (BASFI). The Hospital Anxiety and Depression Scale (HADS), the Pittsburgh Sleep Quality Index (PSQI) and the Medical Outcomes Survey Sheet Form-36 (SF-36) were used to evaluate mood status and quality of sleep and life, respectively. We evaluated the factors related to anxiety and depression scores, sleep disturbance scores and quality of life scores, and the predictors of anxiety, depression and sleep disturbance were analyzed. Forty-five active patients and forty-nine relieved patients were enrolled. We found that the median HADS anxiety (HADS-A), depression (HADS-D) subscale scores and PSQI score were significantly higher in active ax-SpA than in inactive patients, and were significantly higher than those in controls (HADS-A 9 vs. 5 vs. 3, p < 0.001; HADS-D 8 vs. 5 vs. 3, p < 0.001; PSQI 10 vs. 6 vs. 3, p < 0.001). Moreover, the HADS-A scores were positively correlated to positive HLA-B27 (p = 0.042), pain (p = 0.002) and the BASFI score (p = 0.012), HADS-D scores were positively correlate to disease course (p < 0.001) and PSQI scores were significantly positively correlated to the BASFI score (p = 0.009). Logistic regression analysis showed that BASFI was a risk factor for anxiety, age was a protective factor for depression and disease course was a risk factor for depression. The optimal cut-off value of BASFI in predicting anxiety was 1.55 with an area under the curve value of 0.8488 (p < 0.001), and the optimal cut-off value of age and the course of the disease in predicting depression was 50.5 years old with an area under the curve value of 0.62 (p = 0.0482) and 54 months with an area under the curve value of 0.7988 (p < 0.001). In addition, disease activity was negatively correlated with SF-36 dimensions, and anxiety, depression and sleep disturbance in ax-SpA patients also had significant negative effects on HRQoL (p < 0.05). Patients with active ax-SpA tend to be more anxious, depressed and sleep disturbed, and have worse HRQoL than patients in remission. Patients with ax-SpA are more likely to be anxious with worse spinal function, more likely to be depressed with younger age and longer course of disease. Therefore, the assessment of mental health, sleep and HRQoL should also be included in the long-term management of patients with ax-SpA. Key Points • Active ax-SpA patients tend to have more anxiety, depression, sleep disturbances and worse HRQoL compared with patients in remission • The optimal cut-off value of BASFI in predicting anxiety was 1.55, the age and the course of the disease in predicting depression was 50.5 years old and 54 months.

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