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Review on microbiota and effectiveness of probiotics use in older

World Journal of Clinical Cases 2015年第2期3卷 156-162页

作者： Mariangela Rondanelli Attilio Giacosa Milena Anna Faliva Simone Perna Francesca Allieri Anna Maria Castellazzi Department of Applied Health Sciences Azienda di Servizi alla Persona di PaviaUniversity of Pavia Department of Public Health Experimental and Forensic MedicineSchool of MedicineUniversity of PaviaAzienda di Servizi alla Persona di Pavia Department of Gastroenterology Policlinico di Monza Department of Clinical-Surgical Diagnostic and Pediatrics SciencesUniversity of Pavia

The aim of the present systematic review is to summarize the existing knowledge about the human microbiota in the elderly and the effects of probiotics in elderly population. The elderly subjects, compared to adult population, show a reduction in the diversity of the microbiota, characterized by a large interindividual variability, with lower numbers of Firmicutes, Bifidobacteria, Clostridium cluster XIV, Faecalibacterium Prausnitzii, Blautia coccoides-Eubacterium rectal and higher presence of Enterobacteriaceae and Bacteroidetes. These differences of the intestinal microbiota of the elderly may not necessarily be caused by aging, but they could be associated with the decline of the general state of health with malnutrition and with increased need for medication, such as antibiotics and nonsteroidal antiinflammatory drugs, situations that occur frequently in the elderly. Differences have been demonstrated in the composition of the microbiota between healthy elderly subjects and hospitalized or institutionalized elderly subjects. These findings which further indicates that the living conditions, health status, nutrition and drugs have a significant effect on the composition of the microbiota. According to the available knowledge, the use of probiotics is safe and could represent an useful intervention to prevent or treat antibioticassociated diarrhea, in addition to reducing the severity of symptoms, other than to help the management of constipation.

关键词： Microbiota Elderly Probiotics antibioticassociated diarrhea Constipation

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