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Revista del Cuerpo Médico Hospital Nacional Almanzor Aguinaga Asenjo
versión impresa ISSN 2225-5109versión On-line ISSN 2227-4731
Resumen
AGUILAR-MARTINEZ, Sergio Luis et al. Factors associated with rectal colonization by extended-spectrum beta-lactamase-producing Enterobacteriaceae in outpatients in a hospital in northern Peru. Rev. Cuerpo Med. HNAAA [online]. 2022, vol.15, n.1, pp.46-52. Epub 31-Mar-2022. ISSN 2225-5109. http://dx.doi.org/10.35434/rcmhnaaa.2022.151.965.
Background:
Extended-spectrum beta-lactamase-producing Enterobacteriaceae (EP-BLEE) are present in the feces of individuals in the community. In Peru, self-medication, type of diet and sanitary conditions could be associated with this colonization.
Objective:
to determine the frequency of rectal colonization by EP-BLEE in outpatients of the “Hospital Regional Lambayeque”, as well as the factors associated with it, during the months of July 2018 to February 2019.
Material and method:
331 participating patients were interviewed, and three serial samples of freshly emitted stool were obtained from them. The samples were cultured on McConkey agar. EP-BLEE were confirmed with the combined disc test (American method).
Results:
85.8% of patients were colonized by EP-BLEE, and Escherichia coli was the most frequent isolate (87.7%). Bivariate analysis associated the consumption of pork (RP=1.15, 95% CI: 1.07 1.24), goat (RP=1.18, 95% CI: 1.10 1.25) and frequent consumption of salads (RP=1.15, 95% CI: 1.05 1.28) with a higher probability of being a rectal carrier of EP-BLEE. Self-medication presented values close to the limit of validity (p=0.051, RP 1.12, 95% CI 0.98 1.26).
Conclusions:
Consuming pork, goat meat and salads increase the probability of being a carrier of EP-BLEE, while self-medication could be associated, so further research is needed, since the reasons for this finding are unknown.
Palabras clave : Carrier State; Risk Factors; Beta-lactamases; Enterobacteriaceae; Population; Peru.