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Presencia emergente de microorganismos de crecimiento lento en urocultivos. Análisis clínico y microbiológico.

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Title: Presencia emergente de microorganismos de crecimiento lento en urocultivos. Análisis clínico y microbiológico.
Alternate Title: Emergent presence of slow-growing microorganisms in urine cultures. Clinical and microbiological analysis.
Authors: Castellano-Sánchez, Leticia1,2, Rosales-Castillo, Antonio3 anrocas90@hotmail.com, Carmen Olvera-Porcel, María4, María Navarro-Marí, José1, Gutiérrez-Fernández, José1,2,5
Source: Revista Española de Quimioterapia. abr2025, Vol. 38 Issue 2, p75-83. 9p.
Subjects: DISEASE risk factors, URINARY tract infections, LACTOBACILLUS delbrueckii, IMPLANTABLE catheters, OLDER patients
Abstract (English): Introduction. The prevalence, clinical characteristics, and antibiotic susceptibility of the slow-growing microorganisms Corynebacterium urealyticum, Corynebacterium glucuronolyticum, Lactobacillus delbrueckii, and Aerococcus spp. in urine cultures are analyzed. Material and methods. Descriptive and retrospective cross-sectional study carried out in a Regional Hospital. Reports of clinical episodes with single isolation of the aforementioned microorganisms were selected between January 2016 and December 2023. Results. A total of 186 single-isolation episodes were included, corresponding to 0.44% of the total. The most frequently isolated species was Aerococcus urinae. Overall, the risk factors were the presence of an indwelling bladder catheter (24.73%), immunosuppression (24.19%), health care (35.48%), diabetes mellitus (19.89%), nephrourological disorders (31.18%) and previous antibiotherapy (35.48%). Urinary tract infections due to Aerococcus spp. predominated in elderly patients, with nephrourological disorders and a history of antibiotic therapy in the previous 3 months. C. glucuronolyticum, C. urealyticum and L. delbrueckii were associated with immunosuppression, healthcare contact and previous antibiotherapy. C. urealyticum was also associated with the presence of an indwelling bladder catheter. Conclusions. Slow-growing opportunistic emerging microorganisms represent a small percentage of the aetiological agents in urinary tract infections, although of important and growing clinical interest given their pathogenic role in the presence of certain circumstances and risk factors, as well as the challenges they pose for laboratory diagnosis. It is essential to perform antibiograms for an adequate targeted treatment. [ABSTRACT FROM AUTHOR]
Abstract (Spanish): Introducción: Se analiza la prevalencia, características clínicas y sensibilidad antibiótica de los microorganismos de crecimiento lento Corynebacterium urealyticum, Corynebacterium glucuronolyticum, Lactobacillus delbrueckii y Aerococcus spp. en urocultivos. Material y métodos: Estudio transversal, descriptivo y retrospectivo, realizado en un Hospital Regional. Se seleccionaron los informes de episodios clínicos con aislamiento único de los microorganismos anteriores, entre enero de 2016 y diciembre de 2023. Resultados: Se incluyeron 186 episodios, que correspondieron al 0,44% del total de muestras analizadas. La especie más frecuentemente aislada fue Aerococcus urinae. De forma global, los factores de riesgo fueron la presencia de sonda vesical permanente (24,73%), inmunosupresión (24,19%), cuidados sanitarios (35,48%), diabetes mellitus (19,89%), alteraciones nefrourológicas (31,18%) y antibioterapia previa (35,48%). Las infecciones urinarias por Aerococcus spp. predominaron en pacientes de edad avanzada, con alteraciones nefrourológicas y con historia de antibioterapia los 3 meses previos. C. glucuronolyticum, C. urealyticum y L. delbrueckii se asociaron a situaciones de inmunosupresión, cuidados sanitarios y antibioterapia previa. C. urealyticum se asoció también a la presencia de sonda vesical permanente. Conclusiones: Los microorganismos emergentes oportunistas de crecimiento lento representan un pequeño porcentaje de los agentes etiológicos en las infecciones del tracto urinario, aunque de importante y creciente interés clínico, dado su papel patógeno en presencia de determinadas circunstancias y factores de riesgo, y su dificultad en el diagnóstico de laboratorio. Se requiere la realización de antibiograma para un tratamiento dirigido adecuado. [ABSTRACT FROM AUTHOR]
Copyright of Revista Española de Quimioterapia is the property of Sociedad Espanola de Quimioterapia and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Presencia emergente de microorganismos de crecimiento lento en urocultivos. Análisis clínico y microbiológico.
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  Data: Emergent presence of slow-growing microorganisms in urine cultures. Clinical and microbiological analysis.
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  Data: <searchLink fieldCode="AR" term="%22Castellano-Sánchez%2C+Leticia%22">Castellano-Sánchez, Leticia</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Rosales-Castillo%2C+Antonio%22">Rosales-Castillo, Antonio</searchLink><relatesTo>3</relatesTo><i> anrocas90@hotmail.com</i><br /><searchLink fieldCode="AR" term="%22Carmen+Olvera-Porcel%2C+María%22">Carmen Olvera-Porcel, María</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22María+Navarro-Marí%2C+José%22">María Navarro-Marí, José</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Gutiérrez-Fernández%2C+José%22">Gutiérrez-Fernández, José</searchLink><relatesTo>1,2,5</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Revista+Española+de+Quimioterapia%22">Revista Española de Quimioterapia</searchLink>. abr2025, Vol. 38 Issue 2, p75-83. 9p.
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  Data: <searchLink fieldCode="DE" term="%22DISEASE+risk+factors%22">DISEASE risk factors</searchLink><br /><searchLink fieldCode="DE" term="%22URINARY+tract+infections%22">URINARY tract infections</searchLink><br /><searchLink fieldCode="DE" term="%22LACTOBACILLUS+delbrueckii%22">LACTOBACILLUS delbrueckii</searchLink><br /><searchLink fieldCode="DE" term="%22IMPLANTABLE+catheters%22">IMPLANTABLE catheters</searchLink><br /><searchLink fieldCode="DE" term="%22OLDER+patients%22">OLDER patients</searchLink>
– Name: Abstract
  Label: Abstract (English)
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  Data: Introduction. The prevalence, clinical characteristics, and antibiotic susceptibility of the slow-growing microorganisms Corynebacterium urealyticum, Corynebacterium glucuronolyticum, Lactobacillus delbrueckii, and Aerococcus spp. in urine cultures are analyzed. Material and methods. Descriptive and retrospective cross-sectional study carried out in a Regional Hospital. Reports of clinical episodes with single isolation of the aforementioned microorganisms were selected between January 2016 and December 2023. Results. A total of 186 single-isolation episodes were included, corresponding to 0.44% of the total. The most frequently isolated species was Aerococcus urinae. Overall, the risk factors were the presence of an indwelling bladder catheter (24.73%), immunosuppression (24.19%), health care (35.48%), diabetes mellitus (19.89%), nephrourological disorders (31.18%) and previous antibiotherapy (35.48%). Urinary tract infections due to Aerococcus spp. predominated in elderly patients, with nephrourological disorders and a history of antibiotic therapy in the previous 3 months. C. glucuronolyticum, C. urealyticum and L. delbrueckii were associated with immunosuppression, healthcare contact and previous antibiotherapy. C. urealyticum was also associated with the presence of an indwelling bladder catheter. Conclusions. Slow-growing opportunistic emerging microorganisms represent a small percentage of the aetiological agents in urinary tract infections, although of important and growing clinical interest given their pathogenic role in the presence of certain circumstances and risk factors, as well as the challenges they pose for laboratory diagnosis. It is essential to perform antibiograms for an adequate targeted treatment. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label: Abstract (Spanish)
  Group: Ab
  Data: Introducción: Se analiza la prevalencia, características clínicas y sensibilidad antibiótica de los microorganismos de crecimiento lento Corynebacterium urealyticum, Corynebacterium glucuronolyticum, Lactobacillus delbrueckii y Aerococcus spp. en urocultivos. Material y métodos: Estudio transversal, descriptivo y retrospectivo, realizado en un Hospital Regional. Se seleccionaron los informes de episodios clínicos con aislamiento único de los microorganismos anteriores, entre enero de 2016 y diciembre de 2023. Resultados: Se incluyeron 186 episodios, que correspondieron al 0,44% del total de muestras analizadas. La especie más frecuentemente aislada fue Aerococcus urinae. De forma global, los factores de riesgo fueron la presencia de sonda vesical permanente (24,73%), inmunosupresión (24,19%), cuidados sanitarios (35,48%), diabetes mellitus (19,89%), alteraciones nefrourológicas (31,18%) y antibioterapia previa (35,48%). Las infecciones urinarias por Aerococcus spp. predominaron en pacientes de edad avanzada, con alteraciones nefrourológicas y con historia de antibioterapia los 3 meses previos. C. glucuronolyticum, C. urealyticum y L. delbrueckii se asociaron a situaciones de inmunosupresión, cuidados sanitarios y antibioterapia previa. C. urealyticum se asoció también a la presencia de sonda vesical permanente. Conclusiones: Los microorganismos emergentes oportunistas de crecimiento lento representan un pequeño porcentaje de los agentes etiológicos en las infecciones del tracto urinario, aunque de importante y creciente interés clínico, dado su papel patógeno en presencia de determinadas circunstancias y factores de riesgo, y su dificultad en el diagnóstico de laboratorio. Se requiere la realización de antibiograma para un tratamiento dirigido adecuado. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Revista Española de Quimioterapia is the property of Sociedad Espanola de Quimioterapia and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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