This study aims to evaluate the frequency of fatigue in Moroccan patients with ankylosing spondylitis (AS), and its relationships with disease-specific variables, psychological status, and sleep disturbance. A cross-sectional study included patients fulfilled the modified New York classification criteria for ankylosing spondylitis. To assess fatigue, the first item of Bath ankylosing spondylitis disease activity index (BASDAI) and the multidimensional assessment of fatigue (MAF) was used. The evaluation included the activity of the disease (BASDAI), global well-being (Bath ankylosing spondylitis global index), functional status (Bath ankylosing spondylitis functional index), metrologic measurements (Bath ankylosing spondylitis metrological index), and visual analog scale of axial or joint pain. The erythrocyte sedimentation rate and C-reactive protein were measured. To assess psychological status, the hospital anxiety and depression scale (HADS) was used. Sleep disturbance was assessed by the fourth item of Hamilton anxiety scale. One hundred and ten patients were included, of average age 38.0 years ± 12.6. In our data, 66.4% experienced severe fatigue (BASDAI fatigue ≥ 5). The mean total score of MAF was 26 ± 12.77. The disease-specific variables contributed significantly with both BASDAI fatigue and MAF as dependent variables, accounting for 71.3 and 65.6% of the variance, respectively. The contribution of the depression, anxiety, and sleep disturbance were 24.9, 18.4 and 15.4%, respectively. This study state the importance of fatigue in AS patients. Even though disease activity was the most powerful predictor of fatigue, the effects of psychogenic factors and sleep disturbance, should be taken into consideration in the management of AS.
This study suggests that depression and anxiety are frequent in AS. Impaired quality of life and functional disability seemed to be independent risk factors of psychological disorders. Therefore, assessment and management of patients with AS should take into account the evaluation and management of their psychological disorders and improvement of their functional disability.
Malignant neoplasms are associated with a wide variety of paraneoplastic rheumatological syndromes. The paraneoplastic nature should be based on specific criteria. We report a series of eight cases of paraneoplastic rheumatic syndromes revealing an underlying neoplasia. Our series consists of six men and two women, with a mean age of 46.1 (20-69 years). The first case is a hypertrophic osteoarthropathy of Pierre Marie that occurred in a 20-year-old man 1 month after treatment for his nasopharyngeal carcinoma; the paraclinical examinations showed lung and bone metastasis. The second case is that of a bilateral shoulder-hand syndrome revealing an invasive squamous cell carcinoma of the cervix in a 63-year-old woman. The third case involved a 69-year-old patient who had surgery 2 years ago for prostate adenocarcinoma and presented with polymyalgia rheumatica revealing bone metastasis. We also report two cases of leukemia in adults revealed by polyarthritis. The sixth observation is that of a paraneoplastic scleroderma that occurred concomitantly with prostate cancer. The seventh case of an acute arthritis showed a B lymphoma. The eighth case is that of a 52-year-old patient who presented with inflammatory arthralgias, and digital clubbing revealing a squamous cell carcinoma of the skin. Paraneoplastic rheumatism remains a rare event, but knowledge of it is essential for early diagnosis of underlying cancer.
Sleep disturbance is often reported by the patients with ankylosing spondylitis (AS), with awakenings produced by inflammatory pain. There are limited studies about sleep disturbance on these patients, and especially its association with psychological state and quality of life to examine the prevalence of sleep disturbance and to assess its association with disease-specific variables, psychological status and quality of life. One hundred and ten patients were included in this cross-sectional study according to the modified New York criteria for AS. Clinical and biological parameters were evaluated. Sleep disturbance was assessed by the fourth item of Hamilton Anxiety Scale. Psychological status was assessed by The Hospital Anxiety and Depression Scale including depression subscale and anxiety subscale. The quality of life was evaluated by the short form-36 (SF-36). Sleep disturbance was found in 64.5 %, depression in 55.5 % and anxiety in 60.9 % amongst our patients. Significantly, worse pain, higher disease activity and functional disability were present in patients with sleep disturbance. Likewise, sleep problems were significantly higher in patients with depression, anxiety and in patients with low scores of the SF36. Multivariate logistic regression analysis revealed that the pain (OR = 1.019) and depression (OR = 1.304) were independent risk factors that influenced sleep disturbance. Sleep problems are prevalent amongst Moroccan patients with AS. Our findings suggest that pain and depression were the independent risk factors that influenced the sleep disturbance and hence, the need for evaluation and optimal management of pain and depression to improve sleep quality in AS patients.
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