Journal
CRITICAL CARE MEDICINE
Volume 45, Issue 10, Pages 1726-1733Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CCM.0000000000002652
Keywords
extracorporeal membrane oxygenation; health care-associated infection; intensive care unit; multidrug resistance; retrospective study
Categories
Funding
- Associazione Nazionale di Lotta all'AIDS (ANLAIDS) Sezione Lombarda (Italy)
- Faron Phamaceutical
- Nadirex International
- Faron Pharmaceutical
- Springer
- Abbvie
- Astellas
- BMS
- Boeringher
- Gilead
- Janssen
- MSD
- Novartis
- Pfizer
- Roche
- ViiV
- ANLAIDS Sezione Lombarda
- Jansen
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Objective: To study incidence, type, etiology, risk factors, and impact on outcome of nosocomial infections during extracorporeal membrane oxygenation. Design: Retrospective analysis of prospectively collected data. Setting: Italian tertiary referral center medical-surgical ICU. Patients: One hundred five consecutive patients who were treated with extracorporeal membrane oxygenation from January 2010 to November 2015. Interventions: None. Measurements and Main Results: Ninety-two patients were included in the analysis (48.5 [37-56] years old, simplified acute physiology score II 37 [32-47]) who underwent peripheral extracorporeal membrane oxygenation (87% veno-venous) for medical indications (78% acute respiratory distress syndrome). Fifty-two patients (55%) were infected (50.4 infections/1,000 persondays of extracorporeal membrane oxygenation). We identified 32 ventilator-associated pneumonia, eight urinary tract infections, five blood stream infections, three catheter-related blood stream infections, two colitis, one extracorporeal membrane oxygenation cannula infection, and one pulmonary-catheter infection. G+ infections (35%) occurred earlier compared with G- (48%) (4 [2-10] vs. 13 [7-23] days from extracorporeal membrane oxygenation initiation; p < 0.001). Multidrug-resistant organisms caused 56% of bacterial infections. Younger age (2-35 years old) was independently associated with higher risk for nosocomial infections. Twenty-nine patients (31.5%) died (13.0 deaths/1,000 person-days of extracorporeal membrane oxygenation). Infected patients had higher risk for death (18 vs. 8 deaths/1,000 persondays of extracorporeal membrane oxygenation; p = 0.037) and longer ICU stay (32.5 [19.5-78] vs. 19 [10.5-27.5] days; p = 0.003), mechanical ventilation (36.5 [20-80.5] vs. 16.5 [9-25.5] days; p < 0.001), and extracorporeal membrane oxygenation (25.5 [10.75-54] vs. 10 [5-13] days; p < 0.001). Older age (> 50 years old), reason for connection different from acute respiratory distress syndrome, higher simplified acute physiology score II, diagnosis of ventilator-associated pneumonia, and infection by multidrug-resistant bacteria were independently associated to increased death rate. Conclusions: Infections (especially ventilator-associated pneumonia) during extracorporeal membrane oxygenation therapy are common and frequently involve multidrug-resistant organisms. In addition, they have a negative impact on patients' outcomes.
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