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Chinese Journal of Clinicians(Electronic Edition) ›› 2020, Vol. 14 ›› Issue (10): 800-807. doi: 10.3877/cma.j.issn.1674-0785.2020.10.010

Special Issue:

• Clinical Research • Previous Articles     Next Articles

Effect of sleep deprivation on weight loss and gut microbiota in obese patients on a calorie restricted diet

Surong Wen1, Ziyu Liu1, Xiaoqing Wang1, Xing Qi1, Yanwen Lu1, Jing Li1, Shayan Li1, Weinan Yu1, Wen Hu1,()   

  1. 1. Department of Endocrinology and Metabolism, Huai'an Hospital Affiliated to Xuzhou Medical College, Huai'an 223200, China
  • Received:2020-04-25 Online:2020-10-15 Published:2021-03-19
  • Contact: Wen Hu

Abstract:

Objective

To investigate the effect of sleep deprivation on weight loss, biochemical indexes, and gut microbiota abundance in obese patients on a calorie restricted diet (CRD).

Methods

Obese patients were enrolled in the obesity clinic of Huai'an Hospital Affiliated to Xuzhou Medical College from September 2018 to November 2019 and divided into either a sleep deprivation group (8 cases) or a non-sleep deprivation group (8 cases). The changes of body shape indexes, biochemical indexes, and intestinal microflora characteristics were recorded after CRD intervention for 12 weeks. One-way ANOVA was used to compare the differences in the above indexes between the two groups. Paired sample t-test was used to compare the differences before and after weight loss of subjects in the same group. Kruskal-Wallis test was used to compare the differences between groups of intestinal bacteria. Spearman correlation analysis was used to analyze the correlation between clinical indicators and gut microbiota.

Results

After CRD intervention, the body weight [(83.85±9.30) kg vs (85.88±8.76) kg, t=2.898, P=0.023; (79.23±14.52) kg vs (88.00±13.16) kg, t=3.895, P=0.006], waist circumference [(98.60±6.76) cm vs (100.73±6.14) cm, t=3.694, P=0.008; (96.14±11.26) cm vs (101.61±8.52) cm, t=3.103, P=0.017], and basal metabolic rate [BMR; (1476.25±146.63) kcal vs (1501.75±149.36) kcal, t=3.599, P=0.009; (1427.00±228.02) kcal vs (1477.38±229.98) kcal, t=5.994, P=0.001] in both groups all significantly decreased than those before CRD, t=3.599, 5.994, P=0.009, 0.001). The changes in body weight [(2.02±1.97) kg vs (8.76±6.36) kg, t=2.424, P=0.013], body fat amount [(2.0.55±1.93) kg vs (5.25±5.10) kg, t=1.692, P=0.029], body fat area [(-3.25±14.41) cm2 vs (36.13±48.94) cm2, t=6.102, P=0.047], BMR [(25.50±20.04) kcal vs (50.38±23.77) kcal, t=0.702, P=0.040] and total cholesterol [(-0.06±0.37) mmol/L vs (0.77±0.76) mmol/L, t=3.802, P=0.014] in the sleep deprivation group were significantly less than those in the non-sleep deprivation group after CRD intervention. There was no significant difference in alpha diversity of gut microbiota before and after the intervention in either group. During the study period, there was a stable negative correlation between Mollicutes and BMR in the non-sleep deprivation group.

Conclusion

CRD intervention can effectively reduce the weight, waist circumference, and BMR of patients with obesity. The effects of CRD intervention may be weakened by sleep deprivation in terms of weight loss and blood lipid metabolism. Mollicutes bacteria may be one of the factors affecting the weight loss effect of CRD intervention in obese patients without sleep deprivation.

Key words: Sleep deprivation, Calorie restricted diet, Gut microbiota, Obesity

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