• Fumiko Kawanishi, Masami Yoshinaga, Michiyo Morita, Yuriko Shibata, Tomoyuki Yamada, Yukimasa Ooi, and Akira Ukimura.
• Infection Control Team, Osaka Medical College Hospital, Japan.
• J. Infect. Chemother. 2014 Oct 1; 20 (10): 627-30.

AbstractVentilator-associated pneumonia (VAP) is a serious complication in neonatal patients on mechanical ventilation. The objective of this study was to examine the incidence and risk factors associated with VAP, particularly in every 7-day versus every 14-day ventilator circuit changes, in a neonatal intensive care unit (NICU). Seventy-one neonates hospitalized in the NICU were enrolled. First, the neonates were divided into groups with and without VAP. On univariate logistic regression analyses, prolonged mechanical ventilation, frequent re-intubation, low gestational age, and low birth weight (BW) were significant risk factors for VAP development. After adjustments for other variables, only BW <626 g was a significant independent predictor for VAP in NICU infants. Second, to examine the effect of the frequency of changing ventilator circuits on the incidence of VAP, circuit changes were compared between the every 7-day group and the every 14-day group. The incidence of VAP per 1000 ventilator days was 9.66 for the every 7-day group and 8.08 for the every 14-day group, and there was no significant difference between the 2 groups. BW <626 g was a significant independent predictor of VAP, and decreasing the frequency of ventilator circuit changes from every 7 days to 14 days had no adverse effect on the VAP rate in the NICU. Copyright © 2014 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

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