Practical Geriatrics ›› 2022, Vol. 36 ›› Issue (7): 663-669.doi: 10.3969/j.issn.1003-9198.2022.07.005

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Relationship between frailty degree and intestinal microbiome in elderly patients with hypertension complicated with type 2 diabetes mellitus in community

ZHANG Bing-shan, YU Jie, YANG Ying, WANG Zhuo, LU Shou-rong, LU Wen-wei, YU Zhi-ming, HONG Kan   

  1. ZHANG Bing-shan, YU Jie, YANG Ying, WANG Zhuo, LU Shou-rong, HONG Kan. Department of Geriatrics; YU Zhi-ming. Department of Cardiovascular Medicine, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi 214023, China;
    CHEN Rong. Xin'an Community Health Centre of Wuxi, Wuxi 214111, China;
    LU Wen-wei. Food Science College, Jiangnan University, Wuxi 214122, China
  • Received:2022-05-10 Online:2022-07-20 Published:2022-07-18

Abstract: Objective To investigate the relationship between intestinal microbes and frailty degree in the elderly patients with hypertension complicated with type 2 diabetes mellitus (T2DM) in community. Methods A cross-sectional survey of 181 elderly residents with hypertension complicated with T2DM was conducted in Xin'an Community of Wuxi. According to the result of Fried Frailty Phenotype, the patients were divided into the control group (112 patients presenting with non-frailty), pre-frailty group (46 cases) and frailty group (23 cases). 16S high-throughput sequencing technology was used to detect the composition of intestinal microbiota, and the composition of intestinal microbiota were compared among the patients with different frailty degrees. Results The incidence rate of frailty and pre-frailty in the community elderly patients with hypertension complicated with T2DM was 12.7% and 25.4%, respectively. There were significant differences in age, course of diabetes, number of complications, varieties of medicine, the scores of Activity of Daily Living (ADL), mini-nutritional assessment short-form (MNA-SF), Montreal Cognitive Assessment (MoCA) and Social Support Rating Scale (SSRS), and the level of albumin between the control group and frailty group (P<0.05). Compared with the control group, the α diversity of intestinal microbe was not changed significantly in frailty group, but the β diversity was increased significantly (P<0.05). At the phylum level, the relative abundance of Actinobacteria increased, and the relative abundance of Fusobacteria decreased in frailty group compared with the control group (P<0.05). At the genus level, the abundance of Bifidobacteria and Lactobacillus increased, and the abundance of Adlercreutzia, Clostridium, Coprococcus, Faecalibacterium, Phascolarctobacterium, Roseburia and Turicibacter decreased in frailty group compared with the control group (all P<0.05); Compared with pre-frailty group, the abundance of Eggerthella in the control group decreased, the abundance of Lactobacillus in frailty group increased, and the abundance of Clostridium, Coprococcus and Eggerthella decreased in frailty group (P<0.05 or P<0.01); Other unclassified bacteria were significantly less in frailty group than those in pre-frailty group and the control group(P<0.05). Conclusions More than one eighth of the community elderly patients with hypertension complicated with T2DM present with frailty. The intestinal microbiome composition of the patients with frailty differs from that of the patients who don't have frailty.

Key words: intestinal microbiome, frailty, hypertension, type 2 diabetes mellitus, 16S high-throughput sequencing

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