• 1. College of Nursing, Lanzhou University, Lanzhou, 730000, P.R.China;
  • 2. The First Hospital of Lanzhou University, Lanzhou, 730000, P.R.China;
  • 3. Department of Special Surgery, First Hospital of Lanzhou University, Lanzhou, 730000, P.R.China;
  • 4. Department of Nursing, First Hospital of Lanzhou University, Lanzhou, 730000, P.R.China;
ZHANG Zhigang, Email: zzg3444@163.com
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Objective To systematically review the risk factors associated with sleep disorders in ICU patients.Methods We searched The Cochrane Library, PubMed, EMbase, Web of Science, CNKI, Wanfang Data, VIP and CBM databases to collect cohort studies, case-control studies and cross-sectional studies on the risk factors associated with sleep disorders in ICU patients from inception to October, 2018. Two reviewers independently screened literature, extracted data and evaluated the bias risk of included studies. Then, meta-analysis was performed by using RevMan 5.3 software.Results A total of 9 articles were included, with a total of 1 068 patients, including 12 risk factors. The results of meta-analysis showed that the combined effect of equipment noise (OR=0.42, 95%CI 0.26 to 0.68, P=0.000 4), patients’ talk (OR=0.53, 95%CI 0.42 to 0.66, P<0.000 01), patients’ noise (OR=0.39, 95%CI 0.21 to 0.74, P=0.004), light (OR=0.29, 95%CI 0.18 to 0.45, P<0.000 01), night treatment (OR=0.36, 95%CI 0.26 to 0.50, P<0.000 01), diseases and drug effects (OR=0.17,95%CI 0.08 to 0.36, P<0.000 01), pain (OR=0.37, 95%CI 0.17 to 0.82, P=0.01), comfort changes (OR=0.34,95%CI 0.17 to 0.67,P=0.002), anxiety (OR=0.31,95%CI 0.12 to 0.78, P=0.01), visit time (OR=0.72, 95%CI 0.53 to 0.98, P=0.04), economic burden (OR=0.63, 95%CI 0.48 to 0.82, P=0.000 5) were statistically significant risk factors for sleep disorders in ICU patients.Conclusion Current evidence shows that the risk factors for sleep disorders in ICU patients are environmental factors (talking voices of nurses, patient noise, and light), treatment factors (night treatment), disease factors (disease itself and drug effects, pain,) and psychological factors (visiting time, economic burden). Due to the limited quality and quantity of included studies, more high quality studies are needed to verify the above conclusions.

Citation: JIANG Lingjie, HAN Lulu, YANG Liping, ZHANG Zhigang, JIANG Biantong, DING Nannan, YAO Li, WU Yuchen, ZHANG Caiyun. Risk factors for sleep disorders in ICU patients: a meta-analysis. Chinese Journal of Evidence-Based Medicine, 2019, 19(7): 803-810. doi: 10.7507/1672-2531.201812135 Copy

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