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Objective To investigate the sleep quality and influencing factors in patients with stable myasthenia gravis (MG).Methods From September 2015 to February 2017,151 cases of stable MG were enrolled in the department of neurology,West China Hospital,Pittsburgh sleep quality index (PSQI) was used to evaluate their sleep quality;Spearman analysis was used to analyze the influencing factors (clinical data,quality of life,anxiety and depression).Results Spearman test analysis showed that PSQI was positively correlated with age,duration,myasthenia gravis quality of life 15 (MG-QOL15),Hamilton Anxiety Scale 14 (HAMA14),Hamilton Depression Scale 24 (HADA24) (P ＜ 0.05).Stepwise regressionanalysis further revealed that life quality was the best predictor of reduced sleep quality (t =3.161,P =0.002),followed by anxiety (t =2.495,P =0.014) and age (t =2.356,P =0.020).Conclusions There are many influencing factors of stable MG wnich more attentions should be paid on.
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Background & Objective: Sleep quality in neuromyelitis optica spectrum disorders (NMOSD) were investigated in two recent studies. However, factors affecting sleep quality have not been studied in NMOSD. This study aimed to investigate the prevalence of sleep disorders in Chinese outpatient clinics with NMOSD and its clinical correlates. Methods: We administered Chinese validated self-questionnaires on HRQOL (MSQOL-54), sleep (PSQI), pain (SF-MPQ-2), anxiety (HARS) and depression (HDRS) to 42 patients followed up in our outpatient department. We assessed the relationships between sleep quality with pain, anxiety, depression, gender, age, disability, disease duration, NMO-antibody status and explored the determinants of poor sleep quality. Results: Sixty four percent of NMOSD patients were poor sleepers. Significant correlations were found between duration, disability, pain, anxiety, depression and sleep quality. Disability, depression and the domain of affective descriptors of pain were the three main predictors of poor sleep in NMOSD. Conclusion: This study reveals that poor sleep in NMOSD is common and it decreases physical function of quality of life. It is worthwhile considering exploring adjuvant strategies aimed at controlling pain associated affect, and treatment of depression may help to improve sleep quality in NMOSD.