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Association of Patient Care with Ventilator-Associated Conditions in Critically Ill Patients: Risk Factor Analysis

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  • Susumu Nakahashi
  • Tomomi Yamada
  • Toru Ogura
  • Ken Nakajima
  • Kei Suzuki
  • Hiroshi Imai

Abstract

Background: Ventilator-associated conditions (VACs), for which new surveillance definitions and methods were issued by the Center for Disease Control and Prevention (CDC), are respiratory complications occurring in conjunction with the use of invasive mechanical ventilation and are related to adverse outcomes in critically ill patients. However, to date, risk factors for VACs have not been adequately established, leading to a need for developing a better understanding of the risks. The objective of this study was to explore care-related risk factors as a process indicator and provide valuable information pertaining to VAC preventive measures. Methods: This retrospective, single-center, cohort study was conducted in the intensive-care unit (ICU) of a university hospital in Japan. Patient data were automatically sampled using a computerized medical records system and retrospectively analyzed. Management and care-related, but not host-related, factors were exhaustively analyzed using multivariate analysis for risks of VACs. VAC correlation to mortality was also investigated. Results: Of the 3122 patients admitted in the ICU, 303 ventilated patients meeting CDC-specified eligibility criteria were included in the analysis. Thirty-seven VACs (12.2%) were found with a corresponding rate of 12.1 per 1000 ventilator days. Multivariate analysis revealed four variables related to patient care as risk factors for VACs: absence of intensivist participation in management of ventilated patients [adjusted HR (AHR): 7.325, P

Suggested Citation

  • Susumu Nakahashi & Tomomi Yamada & Toru Ogura & Ken Nakajima & Kei Suzuki & Hiroshi Imai, 2016. "Association of Patient Care with Ventilator-Associated Conditions in Critically Ill Patients: Risk Factor Analysis," PLOS ONE, Public Library of Science, vol. 11(4), pages 1-13, April.
    • Handle: RePEc:plo:pone00:0153060
    DOI: 10.1371/journal.pone.0153060
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