• Raquel Caserta Eid, Fernanda Domingues, Joyce Kelly Silva Barreto, Alexandre R Marra, Claudia Vallone Silva, Angela Tavares Paes, Oscar Fernando Pavão Dos Santos, and Michael B Edmond.
• Intensive Care Unit, Hospital Israelita Albert Einstein, São Paulo, Brazil. raquel_case@einstein.br
• Am J Infect Control. 2011 Aug 1;39(6):500-5.

BackgroundPrevention of health care-associated infections is well described in critical care. However, surveillance in step-down unit (SDU) patients who need intermediate care with bilevel mechanical ventilation pressure through tracheotomy needs to be better understood. We evaluated the implementation of preventive measures in SDU over 2 different periods on device (bilevel mechanical ventilation)-associated pneumonia.MethodsA quasi-experimental, interrupted time series study was conducted in SDUs. Interventions were implemented to optimize the prevention of pneumonia associated with tracheostomy and evaluated in 2 phases. From January to October of 2007 (phase 1), some practices recommended by the Centers for Disease Control and Prevention were implemented, and the epidemiology unit carried out surveillance for pneumonia associated with tracheostomy. From November of 2007 to August of 2008 (phase 2) the same practices recommended by the Centers for Disease Control and Prevention were followed, but, in addition, the assessment of these processes as well as bedside interventions were initiated.ResultsThe mean incidence density of tracheostomy associated pneumonia per 1,000 tracheostomy-days in the SDUs was 6.0 in phase 1 and 0.7 in phase 2, P = .002.ConclusionReducing pneumonia associated with tracheostomy is a continuous multidisciplinary process that involves the measurement of multiple performance metrics.Copyright © 2011. Published by Mosby, Inc.

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