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Risk Factors for Infection by Acinetobacter baumannii in Intubated Patients With Nosocomial Pneumonia

Jorge Baraibar; Humberto Correa; Dolors Mariscal; Miguel Gallego; Jordi Vallés; Jordi Rello
Author and Funding Information

Affiliations: From the Pulmonary and Critical Care, and Microbiology Departments, Hospital Italiano, Montevideo, Uruguay,  From The Hospital de Clinicas, Montevideo, Uruguay,  From the Hospital de Sabadell, Barcelona, Spain

Affiliations: From the Pulmonary and Critical Care, and Microbiology Departments, Hospital Italiano, Montevideo, Uruguay,  From The Hospital de Clinicas, Montevideo, Uruguay,  From the Hospital de Sabadell, Barcelona, Spain

Affiliations: From the Pulmonary and Critical Care, and Microbiology Departments, Hospital Italiano, Montevideo, Uruguay,  From The Hospital de Clinicas, Montevideo, Uruguay,  From the Hospital de Sabadell, Barcelona, Spain


1997 by the American College of Chest Physicians


Chest. 1997;112(4):1050-1054. doi:10.1378/chest.112.4.1050
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Abstract

Study objective: To investigate the epidemiology of infection by Acinetobacter baumannii in patients with ventilator-associated pneumonia (VAP).

Design: Prospective clinical study.

Setting: Three medical-surgical ICUs in teaching hospitals.

Patients: We followed up 707 mechanically ventilated patients and 148 episodes of VAP with etiologic diagnosis.

Results: A baumannii was isolated in 12 (8.1%) episodes in 148 patients. Five of these episodes were directly responsible for death. Using logistic regression analysis, the risk of VAP due to A baumannii was found to be high in patients with neurosurgery (odds ratio [OR]=10.03; 95% confidence interval [CI]=1.55 to 64.90), ARDS (OR=9.73; 95% CI=1.60 to 59.24), head trauma (OR=5.17; 95% CI=0.88 to 30.34), and large-volume pulmonary aspiration (OR=2.90; 95% CI=0.80 to 10.53).

Conclusions: Intubated patients who develop pneumonia and have any of the above factors are at an increased risk of Acinetobacter infection.


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