Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos
Abstract: Resistance to antimicrobials in Gram-positive bacteria such as coagulase negative Staphylococcus is an emerging global threat. The purpose of this research was to identify the genes for resistance to oxacillin (mecA), erythromycin (erm and msrA), and gentamicin aac(6´)/aph(2´´), in Staphyl...
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Universidad del Zulia,Facultad de Medicina,Departamento de Enfermedades Infecciosas y Tropicales
2016
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Online Access: | https://doaj.org/article/563ab25a595b45489b541088676e9888 |
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ftdoajarticles:oai:doaj.org/article:563ab25a595b45489b541088676e9888 2023-10-01T03:54:21+02:00 Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos Castellano-González Maribel Perozo-Mena Armindo Devis-Soto Raquel 2016-12-01T00:00:00Z https://doaj.org/article/563ab25a595b45489b541088676e9888 EN ES eng spa Universidad del Zulia,Facultad de Medicina,Departamento de Enfermedades Infecciosas y Tropicales https://sites.google.com/prod/view/revistakasmera/vol%C3%BAmenes/2016-2020-vols-44-47/2016-v-44-n-2/97-110?authuser=0 https://doaj.org/toc/0075-5222 https://doaj.org/toc/2477-9628 0075-5222 2477-9628 https://doaj.org/article/563ab25a595b45489b541088676e9888 Kasmera, Vol 44, Iss 2, Pp 97-110 (2016) Staphylococcus coagulasa negativa oxacilina eritromicina gentamicina resistencia Coagulase negative Staphylococcus oxacillin erythromycin gentamicin resistance Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 article 2016 ftdoajarticles 2023-09-03T00:37:42Z Abstract: Resistance to antimicrobials in Gram-positive bacteria such as coagulase negative Staphylococcus is an emerging global threat. The purpose of this research was to identify the genes for resistance to oxacillin (mecA), erythromycin (erm and msrA), and gentamicin aac(6´)/aph(2´´), in Staphylococcus coagulase negative strains isolated from blood cultures from patients attended at the University Hospital in Maracaibo. Phenotypic detection was performed using automated methods. Polymerase chain reaction was used for the detection of antimicrobial resistance genes. Be studied 34 strains whose distribution by species was: S. haemolyticus (38.23%), S. epidermidis (29.42%), S. hominis (26.47%), S. xylosus and S. capitis (5.88% each one). All strains were resistant to oxacillin. Gentamicin resistance varied between 38.46% and 100%; while the erythromycin resistance ranged between 77.78% and 100%. The analyses showed the presence of genes mecA (100%), ermA (35.2%), ermC (41.17%), msrA (17.64%), and aac(6´)/aph (2´´) (61,76%). In conclusion, is found a high frequency of genes for resistance to these antibiotics and the intensive care unit was the health service where the highest percentage of isolated strains carriers of these genes. Resumen: La resistencia a los antimicrobianos en bacterias Gram positivas como Staphylococcus coagulasa negativa constituye una amenaza mundial emergente. El propósito de la presente investigación fue identificar los genes de resistencia a oxacilina (mecA), eritromicina (erm y msrA), y gentamicina aac(6´)/aph(2´´), en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos de pacientes atendidos en el Hospital Universitario de Maracaibo. La detección fenotípica se realizómediante métodos automatizados. Se utilizó la reacción en cadena de la polimerasa para detectar la presencia de genes de resistencia a los antimicrobianos. Se estudiaron 34 cepas cuya distribución por especie fue: S. haemolyticus (38,23%), S. epidermidis (29,42%), S. hominis (26,47%), S. xylosus y S. ... Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic Cadena ENVELOPE(-67.600,-67.600,-67.450,-67.450) |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English Spanish |
topic |
Staphylococcus coagulasa negativa oxacilina eritromicina gentamicina resistencia Coagulase negative Staphylococcus oxacillin erythromycin gentamicin resistance Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
spellingShingle |
Staphylococcus coagulasa negativa oxacilina eritromicina gentamicina resistencia Coagulase negative Staphylococcus oxacillin erythromycin gentamicin resistance Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 Castellano-González Maribel Perozo-Mena Armindo Devis-Soto Raquel Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
topic_facet |
Staphylococcus coagulasa negativa oxacilina eritromicina gentamicina resistencia Coagulase negative Staphylococcus oxacillin erythromycin gentamicin resistance Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
description |
Abstract: Resistance to antimicrobials in Gram-positive bacteria such as coagulase negative Staphylococcus is an emerging global threat. The purpose of this research was to identify the genes for resistance to oxacillin (mecA), erythromycin (erm and msrA), and gentamicin aac(6´)/aph(2´´), in Staphylococcus coagulase negative strains isolated from blood cultures from patients attended at the University Hospital in Maracaibo. Phenotypic detection was performed using automated methods. Polymerase chain reaction was used for the detection of antimicrobial resistance genes. Be studied 34 strains whose distribution by species was: S. haemolyticus (38.23%), S. epidermidis (29.42%), S. hominis (26.47%), S. xylosus and S. capitis (5.88% each one). All strains were resistant to oxacillin. Gentamicin resistance varied between 38.46% and 100%; while the erythromycin resistance ranged between 77.78% and 100%. The analyses showed the presence of genes mecA (100%), ermA (35.2%), ermC (41.17%), msrA (17.64%), and aac(6´)/aph (2´´) (61,76%). In conclusion, is found a high frequency of genes for resistance to these antibiotics and the intensive care unit was the health service where the highest percentage of isolated strains carriers of these genes. Resumen: La resistencia a los antimicrobianos en bacterias Gram positivas como Staphylococcus coagulasa negativa constituye una amenaza mundial emergente. El propósito de la presente investigación fue identificar los genes de resistencia a oxacilina (mecA), eritromicina (erm y msrA), y gentamicina aac(6´)/aph(2´´), en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos de pacientes atendidos en el Hospital Universitario de Maracaibo. La detección fenotípica se realizómediante métodos automatizados. Se utilizó la reacción en cadena de la polimerasa para detectar la presencia de genes de resistencia a los antimicrobianos. Se estudiaron 34 cepas cuya distribución por especie fue: S. haemolyticus (38,23%), S. epidermidis (29,42%), S. hominis (26,47%), S. xylosus y S. ... |
format |
Article in Journal/Newspaper |
author |
Castellano-González Maribel Perozo-Mena Armindo Devis-Soto Raquel |
author_facet |
Castellano-González Maribel Perozo-Mena Armindo Devis-Soto Raquel |
author_sort |
Castellano-González Maribel |
title |
Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
title_short |
Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
title_full |
Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
title_fullStr |
Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
title_full_unstemmed |
Resistencia a oxacilina, eritromicina y gentamicina en cepas de Staphylococcus coagulasa negativa aisladas de hemocultivos |
title_sort |
resistencia a oxacilina, eritromicina y gentamicina en cepas de staphylococcus coagulasa negativa aisladas de hemocultivos |
publisher |
Universidad del Zulia,Facultad de Medicina,Departamento de Enfermedades Infecciosas y Tropicales |
publishDate |
2016 |
url |
https://doaj.org/article/563ab25a595b45489b541088676e9888 |
long_lat |
ENVELOPE(-67.600,-67.600,-67.450,-67.450) |
geographic |
Arctic Cadena |
geographic_facet |
Arctic Cadena |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Kasmera, Vol 44, Iss 2, Pp 97-110 (2016) |
op_relation |
https://sites.google.com/prod/view/revistakasmera/vol%C3%BAmenes/2016-2020-vols-44-47/2016-v-44-n-2/97-110?authuser=0 https://doaj.org/toc/0075-5222 https://doaj.org/toc/2477-9628 0075-5222 2477-9628 https://doaj.org/article/563ab25a595b45489b541088676e9888 |
_version_ |
1778521861483659264 |