Gut dysbiosis and mortality in hemodialysis patients.
Aged
Aged, 80 and over
Bacteria
/ classification
Case-Control Studies
Dysbiosis
/ epidemiology
Feces
/ microbiology
Female
Gastrointestinal Microbiome
Humans
Male
Middle Aged
Phylogeny
Prognosis
RNA, Ribosomal, 16S
/ genetics
Renal Dialysis
/ mortality
Renal Insufficiency, Chronic
/ microbiology
Sequence Analysis, DNA
Journal
NPJ biofilms and microbiomes
ISSN: 2055-5008
Titre abrégé: NPJ Biofilms Microbiomes
Pays: United States
ID NLM: 101666944
Informations de publication
Date de publication:
03 03 2021
03 03 2021
Historique:
received:
14
06
2020
accepted:
27
01
2021
entrez:
4
3
2021
pubmed:
5
3
2021
medline:
23
9
2021
Statut:
epublish
Résumé
Little is known about the relationship between gut dysbiosis, inflammation, and adverse outcomes in patients with chronic kidney disease. We examined the association of microbial diversity with all-cause mortality in hemodialysis patients. The gut microbiota was assessed by 16S ribosomal RNA gene sequencing. During a median follow-up of 2.1 years, the adjusted risk of death among patients with higher diversity (above median) was 74% lower than that among patients with lower diversity (below median). We then compared the microbial composition between nonsurvivors and survivors in a matched case-control study. We observed significantly lower microbial diversity and higher proinflammatory cytokines among nonsurvivors than survivors. Specifically, the relative abundance of Succinivibrio and Anaerostipes, two short-chain fatty acid-producing bacteria, was markedly reduced in nonsurvivors. Thus, a unique gut microbial composition is associated with an increased risk of mortality among hemodialysis patients and may be used to identify subjects with a poor prognosis.
Identifiants
pubmed: 33658514
doi: 10.1038/s41522-021-00191-x
pii: 10.1038/s41522-021-00191-x
pmc: PMC7930281
doi:
Substances chimiques
RNA, Ribosomal, 16S
0
Banques de données
Dryad
['10.5061/dryad.k3j9kd55d']
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
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