Journal
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
Volume 89, Issue 1, Pages 61-66Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.diagmicrobio.2017.06.009
Keywords
Multidrug resistance; Pseudomonas; Pneumonia; critically ill
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Intensive care unit (ICU) admission is a risk for multidrug-resistant (MDR) Pseudomonas aeruginosa, but factors specific to critically ill pneumonia patients are not fully characterized. Objective was to determine risk factors associated with MDR P. aeruginosa pneumonia among ICU patients. This was a retrospective case-control study of P. aeruginosa pneumonia in the ICU; cystic fibrosis and colonizers were excluded. Risk factors ihcluded comorbid conditions and prior healthcare exposure (anti-pseudomonal antibiotics, hospitalizations, nursing home, P. aeruginosa colonization/infection, mechanical ventilation). Of 200 patients, 47 (23.5%) had MDR P. aeruginosa pneumonia. Independent predictors for MDR were >= 24 h antibiotics in the preceding 90 days (carbapenems, fluoroquinolones, and piperacillin-tazobactam) (odds ratio, 3.6 195% CI, 1.6-8.1]) and nursing home residence (2.3 11.1-4.9]). MDR P. aeruginosa remains prevalent among ICU patients with pneumonia. Given poor outcomes with delayed therapy, patients should be thoroughly assessed for prior anti-pseudomonal antibiotic exposure and nursing home residency. (C) 2017 Elsevier Inc. All rights reserved.
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