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Infecciones por Acinetobacter baumannnii multirresistente y resistente a carbapenem: factores asociados a la mortalidad / Multidrug and carbapenem-resistant Acinetobacter baumannii infections: Factors associated with mortality
Hernández-Torres, Alicia; García-Vázquez, Elisa; Gómez, Joaquín; Canteras, Manuel; Ruiz, Joaquín; Yagüe, Genoveva.
Affiliation
  • Hernández-Torres, Alicia; University Hospital Virgen de la Arrixaca. Services of Internal Medicine-Infectious Diseases. Murcia. España
  • García-Vázquez, Elisa; University Hospital Virgen de la Arrixaca. Services of Internal Medicine-Infectious Diseases. Murcia. España
  • Gómez, Joaquín; University Hospital Virgen de la Arrixaca. Services of Internal Medicine-Infectious Diseases. Murcia. España
  • Canteras, Manuel; University of Murcia. Faculty of Medicine. Departments of Biostatistics. Murcia. Spain
  • Ruiz, Joaquín; Hospital Virgen de la Arrixaca. Microbiology Service. Murcia. Spain
  • Yagüe, Genoveva; Hospital Virgen de la Arrixaca. Microbiology Service. Murcia. Spain
Med. clín (Ed. impr.) ; 138(15): 650-655, mayo 2012. tab, ilus
Article in English | IBECS | ID: ibc-100970
Responsible library: ES1.1
Localization: BNCS
ABSTRACT
Background and

objective:

To analyse factors related to mortality and influence of antibiotic treatment on outcome in patients with nosocomial infection due to multidrug and carbapenem-resistant Acinetobacter baumannii (MDR-C AB). Patients and

methods:

Observational and prospective study of a cohort of adult patients with MDR-C AB infection. Data collection from clinical records was done according to a standard protocol (January 2007 through June 2008). Patients with MDR-C AB infection were identified by review of results of microbiology cultures from the hospital microbiology laboratory. Epidemiological and clinical variables and predictors of mortality were analysed.

Results:

24 out of 101 cases were considered colonizations and 77 infections (27 bacteraemia); global mortality in infected patients was 49% (18 cases with bacteraemia and 20 with no bacteraemia). In the multivariate analysis, including the 77 cases of infection, the prognosis factors associated with mortality were age (OR 1.09; 95% CI 1.02-1.2), McCabe 1 (OR 33.98; 95% CI 4.33-266.85), bacteraemia (OR 9.89; 95% CI 1.13-86.13), inadequate empiric treatment (OR 16.7; 95% CI 2.15-129.79), and inadequate definitive treatment (OR 26.29; 95% CI 1.45-478.19). In the multivariate analysis including the 57 cases of infection with adequate definitive treatment, the prognosis factors associated with mortality were McCabe 1 (OR 24.08; 95% CI 3.67-157.96) and monotherapy versus combined treatment (OR 7.11; 95% CI 1.63-30.99).

Conclusions:

Our cohort of patients with MDR-C AB infection is characterised by a very high mortality (49%); the severity of patients and inadequate treatment or monotherapy are statistically associated with mortality (AU)
RESUMEN
Fundamento y

objetivo:

Analizar los factores asociados a mortalidad y la influencia del tratamiento antibiótico en la evolución de los pacientes con infección por Acinetobacter baumannii multiresistente y resistente a carbapenem (ABMDR-C). Pacientes y

métodos:

Estudio observacional y prospectivo de una cohorte de pacientes adultos con infección por ABMDR-C (Enero 2007 a junio 2008). Los casos de infección se identificaron a partir de los resultados de los cultivos microbiológicos. Analizamos las variables epidemiológicas y clínicas asociadas a mortalidad.

Resultados:

Veinticuatro de los 101 aislamientos de ABMDR-C se consideraron colonizaciones y 77 fueron definidos como infecciones (27 bacteriemias); la mortalidad global de los casos de infección fue del 49% (18 pacientes con bacteriemia y 20 sin bacteriemia). En el análisis multivariado que incluía a los 77 pacientes con infección, los factores predictores de mortalidad fueron edad (OR 1,09; IC95% 1,02-1,2), McCabe 1 (OR 33,98; IC95% 4,33-266,85), bacteriemia (OR 9,89; IC95% 1,13-86,13), tratamiento empírico inadecuado (OR 16,7; IC95% 2,15-129,79), tratamiento definitivo inadecuado(OR 26,29; IC95% 1,45-478,19). En el análisis multivariado que incluía los 57 pacientes que recibieron tratamiento definitivo adecuado, los factores predictores de mortalidad fueron McCabe 1 (OR 24,08; IC95% 3,67-157,96) y tratamiento en monoterapia versus combinaciones (OR 7,11; IC95% 1,63-30,99).

Conclusiones:

En nuestra cohorte de pacientes con infección por ABMDR-C la mortalidad es elevada (49%); los pacientes graves y el tratamiento antibiótico inadecuado o el tratamiento definitivo adecuado en monoterapia se asocian de forma estadísticamente significativa a mayor mortalidad (AU)
Subject(s)
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Collection: National databases / Spain Database: IBECS Main subject: Acinetobacter Infections / Drug Resistance, Multiple / Acinetobacter baumannii Type of study: Practice guideline / Observational study / Prognostic study Limits: Humans Language: English Journal: Med. clín (Ed. impr.) Year: 2012 Document type: Article Institution/Affiliation country: Hospital Virgen de la Arrixaca/Spain / University Hospital Virgen de la Arrixaca/España / University of Murcia/Spain
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Collection: National databases / Spain Database: IBECS Main subject: Acinetobacter Infections / Drug Resistance, Multiple / Acinetobacter baumannii Type of study: Practice guideline / Observational study / Prognostic study Limits: Humans Language: English Journal: Med. clín (Ed. impr.) Year: 2012 Document type: Article Institution/Affiliation country: Hospital Virgen de la Arrixaca/Spain / University Hospital Virgen de la Arrixaca/España / University of Murcia/Spain
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