• Sports Medical Center of Orthopaedics Department, West China Hospital, Sichuan University, Chengdu, Sichuan 610041, P. R. China;
LI Pengcheng, Email: 16699411@qq.com
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Objective  To investigate the relative factors of sleep disorders in patients after arthroscopic knee surgery.Methods The clinical data of 155 patients undergoing arthroscopic knee surgery in West China Hospital of Sichuan University from October 1st 2017 to April 1st 2018 were analyzed. The sleep quality index was assessed by the Pittsburgh Sleep Quality Index. According to the scores, the patients were divided into two groups: the sleep disorder group and the non-sleep disorder group. Mindfulness level were evaluated by Mindful Attention Awareness Scale (MAAS). The binary logistic regression was used to assess the relationship between MAAS and sleep disorders.Results Among the enrolled cases, there were 135 males and 20 females, with an average age of (34.12±12.13) years; 64 patients had poor sleep quality. The results of univariate analysis showed that the payment method, single or bilateral lesions, and MAAS score were the factors affecting sleep (P<0.05). The results of multivariate analysis indicated that with medical insurance [odds ratio (OR)=0.118, 95% confidence interval (CI) (0.021, 0.671), P=0.016], postoperative pain [OR=3.379, 95%CI (1.164, 9.812), P=0.025], bilateral lesions [OR=3.842, 95%CI (1.040, 14.191), P=0.044], and MAAS score ≥68 [OR=0.046, 95%CI (0.018, 0.121), P<0.001] were independent predictive factors for sleep disorders (P<0.05). Conclusion  Postoperative pain reduction and mindfulness training may improve the patients’ sleep quality and reduce the incidence of sleep disorders.

Citation: ZENG Zhen, LIU Li, YANG Xuetao, LI Pengcheng. Current status and influencing factors of sleep quality in patients after knee arthroscopy. West China Medical Journal, 2019, 34(6): 649-652. doi: 10.7507/1002-0179.201812206 Copy

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