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Diagnostic Characteristics of Routine Surveillance Cultures of Endotracheal Aspirate Samples in Cases of Late-Onset Ventilator-Associated Pneumonia Due to Acinetobacter baumannii

Published online by Cambridge University Press:  02 January 2015

Paolo Malacarne ,
Marzia Corini ,
Paolo Maremmani ,
Bruno Viaggi  and
Simone Verdigi
Paolo Malacarne*
Affiliation:
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera—Universitaria Pisana, Pisa, Italy
Marzia Corini
Affiliation:
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera—Universitaria Pisana, Pisa, Italy
Paolo Maremmani
Affiliation:
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera—Universitaria Pisana, Pisa, Italy
Bruno Viaggi
Affiliation:
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera—Universitaria Pisana, Pisa, Italy
Simone Verdigi
Affiliation:
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera—Universitaria Pisana, Pisa, Italy
*
Unitá Operativa Anestesia e Rianimazione Azienda Ospedaliera Universitaria Pisana, Pisa, Italy (pmalacarne@hotmail.com)
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Abstract

Of 20 consecutive episodes of ventilator-associated pneumonia due to Acinetobacter baumannii, 18 were preceded by tracheobronchial colonization with strains ofA. baumannii that had the same antibiotic susceptibility pattern. When the results of routine surveillance cultures of endotracheal aspirate samples were compared with the results of bronchoalveolar lavage fluid cultures performed for patients who developed late-onset ventilator-associated pneumonia, the sensitivity of the surveillance cultures was 90%, and the negative predictive value was 96%. The positive predictive value of surveillance cultures for identifying causative pathogens in cases of pneumonia due to A. baumannii was good.

Type
Concise Communications
Information
Infection Control & Hospital Epidemiology , Volume 28 , Issue 7 , July 2007 , pp. 867 - 869
Copyright
Copyright © The Society for Healthcare Epidemiology of America 2007

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