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Table 1 Search in electronic databases conducted on 01st December 2012

From: Effectiveness of heat and moisture exchangers in preventing ventilator-associated pneumonia in critically ill patients: a meta-analysis

Electronic base

Search strategy

Studies

Medline

(("Heat and Moisture Exchanger" AND ("heated humidifier") AND ("ventilator associated pneumonia" OR "ventilator associated pneumonia prevention"))

1319

The Cochrane Library

(("Heat and Moisture Exchanger" AND ("heated humidifier") AND ("ventilator associated pneumonia" OR "ventilator associated pneumonia prevention"))

50

 

(Selection criteria: review studies and clinical assays)

 

LILACS

(("Filtro Trocador de Calor e Umidade" E (Umidificador aquecido") ("Pneumonia associada à Ventilação Mecânica" OU "Prevenção de Pneumonia associada à Ventilação Mecânica")). (("Heat and Moisture Exchanger" AND ("heated humidifier") AND ("ventilator associated pneumonia" OR "ventilator associated pneumonia prevention"))

93

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BMC Anesthesiology

ISSN: 1471-2253

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