Abstract
BackgroundThe aim of the study was to investigate the prevalence of faecal carriage of extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae among residents living in nursing homes and to compare it with a corresponding group of elderly people living in their own homes.MethodsA total of 160 persons participated in the study between February and April 2014, 91 were residents in nursing homes (n = 10) and the remaining 69 were elderly living in their own homes. In addition to performing faecal samples, all participants answered a standardized questionnaire regarding known risk factors for ESBL-carriage.ResultsThere was no significant difference between the groups, as 10 of the 91 (11 %) residents from nursing homes were ESBL-carriers compared with 6 of 69 (8,7 %) elderly living in their own homes. There was no significant difference between the groups. The total prevalence was 10 %. A univariate analysis revealed that the only studied risk factor significantly associated with ESBL-carriage was recent foreign travel (p = 0,017). All ESBL-positive isolates were Escherichia coli and there was a high degree of co-resistance to other antibiotics. All isolates (n = 17) were susceptible to imipenem and amikacin.ConclusionResidents of nursing homes as well as elderly living in their own homes have high rates of faecal carriage of ESBL-producing bacteria. These findings may affect the choice of empirical antibiotic treatment of severe infections in older adults.
Highlights
The aim of the study was to investigate the prevalence of faecal carriage of extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae among residents living in nursing homes and to compare it with a corresponding group of elderly people living in their own homes
The aim of this study was to investigate the prevalence of fecal ESBL-carriage in a nursing home setting and compare it with a corresponding population of elderly that still live in their own homes
Study design The study was designed as a cross-sectional comparison study in February to April 2014 to investigate the prevalence of fecal carriage of ESBL-producing Enterobacteriaceae in a nursing home setting compared with elderly living in their own homes
Summary
The aim of the study was to investigate the prevalence of faecal carriage of extended-spectrum beta-lactamase (ESBL)-producing Enterobacteriaceae among residents living in nursing homes and to compare it with a corresponding group of elderly people living in their own homes. Reported risk factors for carriage and infection include antibiotic treatment, age ≥ 65 years, recent hospitalisation, prolonged hospital stay, recent surgery, recurrent UTIs, travel to foreign countries, severe illness, immobilization and residence at nursing home [2,3,4,5,6,7,8]. Age is a risk factor, but a Swedish study has shown that the median age among women infected with ESBL-producing bacteria has decreased from 62 to 52 y in. Even though the prevalence of ESBL-producing bacteria in Sweden is low in an international perspective, there has been a dramatic increase in the number of reported cases since 2007.
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