• Katie M Moynihan, Andrew Barlow, Claire Heney, Julia E Clark, Sanmarié Schlebusch, and Luregn J Schlapbach.
• Faculty of Medicine, The University of Queensland, Brisbane, QLD, Australia.
• Pediatr Crit Care Me. 2019 Jan 1; 20 (1): e46-e50.

ObjectivesReduction of nosocomial infections represents an increasingly recognized aspect of PICU benchmarking. We investigated the prevalence and outcomes of viral respiratory infections acquired during admission to PICU.DesignMulticenter, statewide retrospective linkage study.SettingTertiary PICU.PatientsAll children less than 16 years requiring PICU admission for greater than 48 hours from January 1, 2008, until December 31, 2013.InterventionTesting was performed in symptomatic patients using an extended panel polymerase chain reaction capturing nine respiratory viruses. Duration of intubation and total duration of respiratory support were primary outcomes.Measurements And Main ResultsOf 3,607 patients admitted to PICU for greater than 48 hours, 102 (2.8%) were diagnosed with a PICU-associated viral infection out of 702 patients (19.4%) undergoing viral testing, reflecting a rate of 2.8 PICU-associated viral infections per 1,000 PICU patient days. Compared with negative/untested patients, those with PICU-associated viral infections had greater intubation duration (median 164 vs 67; p< 0.001), longer respiratory support (204 vs 68 hr; p < 0.001), were more likely to require extracorporeal life support (odds ratio, 5.3; 2.7-10.3; p < 0.001), high-frequency oscillatory ventilation (odds ratio, 3.0; 1.7-5.4; p < 0.001), and inhaled nitric oxide (odds ratio, 2.7; 1.5-5.0; p = 0.001). When comparing patients with PICU-associated viral infection with patients who tested negative for respiratory viruses, no substantial difference in these outcomes was found.ConclusionsThe acquisition of viral infections during PICU admission is less frequent compared with previous reports on bacterial and fungal hospital-acquired infections. We did not observe worse patient-centered outcomes when comparing virus positive versus tested but negative patients. Our findings challenge the clinical value of performing viral respiratory diagnostics in PICU patients evaluated for infection.

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