Non-invasive mechanical ventilation and mortality in elderly immunocompromised patients hospitalized with pneumonia: A retrospective cohort study

Christopher S. Johnson, Christopher R. Frei, Mark L. Metersky, Antonio R. Anzueto, Eric M. Mortensen

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Background: Mortality after pneumonia in immunocompromised patients is higher than for immunocompetent patients. The use of non-invasive mechanical ventilation for patients with severe pneumonia may provide beneficial outcomes while circumventing potential complications associated with invasive mechanical ventilation. The aim of our study was to determine if the use of non-invasive mechanical ventilation in elderly immunocompromised patients with pneumonia is associated with higher all-cause mortality.Methods: In this retrospective cohort study, data were obtained from the Department of Veterans Affairs administrative databases. We included veterans age ≥65 years who were immunocompromised and hospitalized due to pneumonia. Multilevel logistic regression analysis was used to determine the relationship between the use of invasive versus non-invasive mechanical ventilation and 30-day and 90-day mortality.Results: Of 1,946 patients in our cohort, 717 received non-invasive mechanical ventilation and 1,229 received invasive mechanical ventilation. There was no significant association between all-cause 30-day mortality and non-invasive versus invasive mechanical ventilation in our adjusted model (odds ratio (OR) 0.85, 95% confidence interval (CI) 0.66-1.10). However, those patients who received non-invasive mechanical ventilation had decreased 90-day mortality (OR 0.66, 95% CI 0.52-0.84). Additionally, receipt of guideline-concordant antibiotics in our immunocompromised cohort was significantly associated with decreased odds of 30-day mortality (OR 0.31, 95% CI 0.24-0.39) and 90-day mortality (OR 0.41, 95% CI 0.31-0.53).Conclusions: Our findings suggest that physicians should consider the use of non-invasive mechanical ventilation, when appropriate, for elderly immunocompromised patients hospitalized with pneumonia.

Original languageEnglish (US)
Article number7
JournalBMC Pulmonary Medicine
Volume14
Issue number1
DOIs
StatePublished - Jan 27 2014

Keywords

  • Immunocompromised
  • Mechanical ventilation
  • Mortality
  • Pneumonia

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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