Ventilator-associated bacterial pneumonia in coronavirus 2019 disease, a retrospective monocentric cohort study

Marco Moretti, Johan Van Laethem, Andrea Minini, Denis Pierard, Manu L N G Malbrain

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

INTRODUCTION: Severe coronavirus 2019 disease (CoViD-19) may lead to respiratory failure and mechanical ventilation. Therefore, ventilator associated pneumonia (VAP) may complicate the course of the disease. The aim of the current article was to investigate possible predictive factors for bacterial VAP on a retrospective manner, in a cohort of mechanically ventilated CoViD-19 patients. Additionally, determinant factors of lethality were analyzed.

METHODS: Medical records of patients hospitalized in the intensive care units (ICU) at the university hospital UZ Brussel during the epidemic were reviewed. VAP was defined following the National Healthcare Safety Network 2017 criteria. Univariate and multivariate logistic regressions analyses were performed.

RESULTS: Among the 39 patients included in the study, 54% were diagnosed with bacterial VAP. Case fatality rate was 44%, but 59% of the deceased patients had a do-not-resuscitate status. Multivariate logistic regression for prediction of VAP showed significant differences in duration of ICU hospitalization and in minimal lung compliance. Additional analyses were performed on CoViD-19 patients who were affected by bacterial respiratory superinfection. The responsible pathogens correspond to the commonly found bacteria in VAP. However, 71% of the isolated germs were multi-drug resistant and bacteraemia was reported in 38%. Multivariate analyses for prediction of lethality found significant difference in SOFA score.

CONCLUSIONS: Mechanically ventilated CoViD-19 patients might frequently develop VAP. Longer ICU hospitalization was associated with pulmonary superinfection in the current cohort. Moreover, decreased minimal lung compliance was correlated to VAP and higher SOFA score at VAP diagnosis was associated with lethality.

Original languageEnglish
Pages (from-to)826-833
Number of pages8
JournalJournal of infection and chemotherapy
Volume27
Issue number6
Early online date23 Jan 2021
DOIs
Publication statusPublished - Jun 2021

Bibliographical note

Copyright © 2021 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

Keywords

  • Coronavirus 2019 disease
  • Lung compliance
  • Multi-drug resistant bacteria
  • Severe acute respiratory syndrome coronavirus 2
  • Ventilator-associated pneumonia

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