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Un brote epidémico de endocarditis por Pseudomonas aeruginosa secundario a angiografía coronaria / An outbreak of Pseudomonas aeruginosa infective endocarditis subsequent to coronary angiography
Seyman, Derya; Inan, Dilara; Sepin Ozen, Nevgun; Ogunc, Dilara.
  • Seyman, Derya; Antalya Education and Research Hospital. Department of Infectious Diseases and Clinical Microbiology. Antalya. TR
  • Inan, Dilara; Antalya Education and Research Hospital. Department of Infectious Diseases and Clinical Microbiology. Antalya. TR
  • Sepin Ozen, Nevgun; Antalya Education and Research Hospital. Department of Infectious Diseases and Clinical Microbiology. Antalya. TR
  • Ogunc, Dilara; Antalya Education and Research Hospital. Department of Infectious Diseases and Clinical Microbiology. Antalya. TR
Rev. chil. infectol ; 31(3): 261-267, jun. 2014.
Article in Spanish | LILACS | ID: lil-716977
ABSTRACT

Objectives:

To describe an endocarditis outbreak affecting three patients due to Pseudomonas aeruginosa infection post coronary angiography performed in the Cardiovascular Surgery and Cardiology Medical Center of a private hospital.

Methods:

After recognition of an infection cluster within a onemonth period, the outbreak was reported to Antalya Department of Health and a broad investigation was initiated in order to determine the most probable cause and/or source of nosocomial pseudomonal endocarditis. Patient data were obtained by medical record review as well as interviews with patients or their next of kin. Thirty-six surveillance samples for P. aeruginosa were collected from various locations within the coronary angiography unit. The outbreak research team reviewed the private hospital's Cardiovascular Surgery and Cardiology Medical Center's infection control procedures. The epidemiology of P. aeruginosa was studied through analysis of phenotypic markers, including antimicrobial sensitivity profiles.

Results:

The infection control audit revealed multiple breaches of infection control procedures. Only 1/36 environmental samples yielded, which was isolated from a radio-opaque solution within an angiography injector pump. P. aeruginosa from the radio-opaque solution had an identical antimicrobial susceptibility pattern to the strain isolated from patients. Both samples were susceptible to all antipseudomonal agents. This outbreak could have been successfully controlled by instituting combined infection control measures.

Conclusions:

This outbreak emphasizes the important of adherence to infection control standards and practices for cardiac catheterization, as well as the need for closer collaboration between the Infection Control Committee and coronary angiography personnel.
RESUMEN

Objetivos:

Describir un brote de endocarditis por Pseudomonas aeruginosa que afectó a tres pacientes tras habérseles efectuado una coronariografía en el Centro Médico de Cardiología y de Cirugía Cardiovascular (CMC-CCV) de un hospital privado.

Métodos:

Después de reconocer la aparición de un brote en un periodo de un mes, este hecho fue comunicado al Departamento de Salud de Antalya, iniciándose una exhaustiva investigación para precisar la más probable causa y/o fuente de las endocarditis nosocomiales. Se extrajo de los registros médicos los datos clínicos de los pacientes y se efectuaron entrevistas a los pacientes o sus familiares. Se extrajo 36 muestras medioambientales de vigilancia en busca de P. aeruginosa de diversos sitios dentro de la unidad de coronariografía. Un team que investigó el brote revisó los procedimientos en uso para la prevención de infecciones en el CMC-CCV. Se estudió la epidemiología de la P. aeruginosa mediante análisis de su fenotipos, incluyendo el perfil de susceptibilidad in vitro a antimicrobianos.

Resultados:

La auditoria comprobó el quiebre de diversas normas de control de infecciones. Sólo 1/36 de las muestras ambientales arrojó el cultivo de P. aeruginosa, a partir de una solución de medio radio-opaco dentro de una bomba inyectora empleada en las angiografías. Los aislados de P. aeruginosa desde la solución del medio radio-opaco tenían idéntico patrón de susceptibilidad antimicrobiana que las cepas recuperadas de los pacientes. Ambos tipos de muestras eran susceptibles a todos los antimicrobianos con actividad anti-pseudomonas. El brote pudo evitarse si se hubieran instaurado una serie de medidas de control de infecciones.

Conclusiones:

Este brote enfatiza la importancia de adherir a los estándares y prácticas de control de infecciones para la cateterización cardiaca, así como la necesidad de una estrecha colaboración entre el Comité de Control de Infecciones y el personal involucrado en el procedimiento de coronariografía.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Pseudomonas aeruginosa / Pseudomonas Infections / Cross Infection / Coronary Angiography / Endocarditis, Bacterial Type of study: Practice guideline Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Chile Language: Spanish Journal: Rev. chil. infectol Journal subject: Communicable Diseases Year: 2014 Type: Article Affiliation country: Turkey Institution/Affiliation country: Antalya Education and Research Hospital/TR

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Full text: Available Index: LILACS (Americas) Main subject: Pseudomonas aeruginosa / Pseudomonas Infections / Cross Infection / Coronary Angiography / Endocarditis, Bacterial Type of study: Practice guideline Limits: Adult / Female / Humans / Male Country/Region as subject: South America / Chile Language: Spanish Journal: Rev. chil. infectol Journal subject: Communicable Diseases Year: 2014 Type: Article Affiliation country: Turkey Institution/Affiliation country: Antalya Education and Research Hospital/TR