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Antimicrobial resistance trends in methicillin-resistant and methicillin-susceptible Staphylococcus aureus and Staphylococcus epidermidis isolates obtained from patients admitted to intensive care units. 2010-2015 / Tendencias de resistencia antimicrobiana en Staphylococcus aureus y Staphylococcus epidermidis resistentes y susceptibles a meticilina aislados, obtenidos en unidades de cuidados intensivos, 2010-2015
Castro-Orozco, Raimundo; Consuegra-Mayor, Claudia; Mejía-Chávez, Gloria; Hernández-Escolar, Jacqueline; Alvis-Guzmán, Nelson.
  • Castro-Orozco, Raimundo; Universidad de San Buenaventura. Faculty of Health Sciences. Cartagena. CO
  • Consuegra-Mayor, Claudia; Universidad de San Buenaventura. Faculty of Health Sciences. Cartagena. CO
  • Mejía-Chávez, Gloria; Universidad de San Buenaventura. Faculty of Health Sciences. Cartagena. CO
  • Hernández-Escolar, Jacqueline; Universidad de San Buenaventura. Faculty of Health Sciences. Cartagena. CO
  • Alvis-Guzmán, Nelson; Universidad de Cartagena. Faculty of Economics. CO
Rev. Fac. Med. (Bogotá) ; 67(3): 221-228, jul.-set. 2019. tab, graf
Article in English | LILACS | ID: biblio-1041147
ABSTRACT
Absctract

Introduction:

The emergence and spread of antimicrobial-resistant strains in hospitals, mainly in intensive care units (ICU), has become a serious public health problem.

Objective:

To analyze the temporal trends of bacterial resistance phenotypes of methicillin-resistant and methicillin-susceptible Staphylococcus aureus and Staphylococcus epidermidis isolates obtained from ICU patients of a tertiary hospital in Cartagena, Colombia, between 2010 and 2015.

Methods:

A cross-sectional study was carried out between January 2010 and December 2015. Methicillin-resistant and Methicillin-susceptible S. aureus and S. epidermidis isolates (MRSA, MSSA, MRSE and MSSE) were used. Culture medium microdilution technique was used to detect minimal inhibitory concentration (MIC).

Results:

313 Staphylococcus spp. isolates were identified, and most of them were methicillin-resistant (63.6%). Methicillin-resistant S. aureus (MRSA) and methicillin-resistant S. epidermidis (MRSE) strains represented 13.7% and 27.8%, respectively, of the total sample. The highest antibiotic resistance values in MRSA and MRSE isolates were observed for the following antibiotics erythromycin (57.6% and 81.2%, respectively), clindamycin (54.6% and 71.0%), ciprofloxacin (48.4% and 36.4%) and trimethoprim-sulfametoxazole (36.4% and 51.4%).

Conclusions:

The results reported here suggest the need to rethink the control strategies designed to minimize antibiotic resistance in the hospital in which the study was conducted.
RESUMEN
Resumen Introducción. La aparición y la diseminación de cepas resistentes en hospitales, principalmente en unidades de cuidado intensivo (UCI), se han convertido en un serio problema de salud pública. Objetivo. Analizar la tendencia de los fenotipos de resistencia de Staphylococcus aureus y Staphylococcus epidermidis resistentes y susceptibles a meticilina aislados en pacientes atendidos en UCI de un hospital de alta complejidad de Cartagena, Colombia, del 2010 al 2015. Materiales y métodos. Estudio analítico transversal realizado entre enero de 2010 y diciembre de 2015. Se utilizaron aislamientos de S. aureus y S. epidermidis meticilino-susceptibles y meticilino-resistentes (SARM, SASR, SERM y SESM). La técnica de susceptibilidad empleada fue el método microdilución en caldo para la detección de la concentración mínima inhibitoria. Resultados. Se identificaron 313 aislamientos de Staphylococcus spp., la mayoría resistentes a meticilina (63.6%). Las cepas SARM y SERM correspondieron al 13.7% y al 27.8% del total de aislamientos, respectivamente. Los mayores porcentajes de resistencia en SARM y SERM correspondieron a eritromicina (57.6% y 81.2%, respectivamente), clindamicina (54.6% y 71.0%), ciprofloxacina (48.4% y 36.4%) y trimetoprima-sulfametoxazol (36.4% y 51.4%). Conclusión. Los resultados encontrados sugieren el replanteamiento de las estrategias de control de la resistencia antimicrobiana en el hospital objeto de estudio.


Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Rev. Fac. Med. (Bogotá) Journal subject: Medicine Year: 2019 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad de Cartagena/CO / Universidad de San Buenaventura/CO

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Full text: Available Index: LILACS (Americas) Type of study: Observational study Language: English Journal: Rev. Fac. Med. (Bogotá) Journal subject: Medicine Year: 2019 Type: Article Affiliation country: Colombia Institution/Affiliation country: Universidad de Cartagena/CO / Universidad de San Buenaventura/CO