Respiratory failure & ventilation

Prognosis of critically ill immunocompromised patients with virus-detected acute respiratory failure

Ann Intensive CarePublished Retrospective cohort study

Main finding · Crude in-hospital mortality, virus-detected ARFResult — go to the resultOdds ratio 0.77 CI 0.60–0.98

Authors' conclusion

In immunocompromised patients with virus-detected ARF, mortality is high, whatever the species, mainly influenced by clinical severity and poor general status. However, compared to non-viral ARF, in-hospital mortality was lower, especially for patients with detected viruses other than influenza.

Study context

Population
Critically ill immunocompromised patients with acute respiratory failure (ARF), 72 ICUs, 2003–2017370 virus-detected ARF
Participants
4,038 participants
Exposure
Virus-detected ARF vs ARF from other origins
  • Virus-detected ARFn = 370
Outcome
In-hospital mortality
Methodological detailsmulticentre database, matched cohort (1:3)
  • Multicentre database
  • Matched cohort (1:3)

Main finding

Crude in-hospital mortality, virus-detected ARF

Odds ratio

0.77

CI 0.60–0.98

Virus-detected ARF vs ARF from other causes
OR 0.77 (CI 0.60–0.98)

As reported in the abstract

Crude in-hospital mortality rate
37.8%
Factors associated with mortality: neutropenia
OR = 1.74, 95% CI 1.05-2.89
Poor performance status
OR = 1.84, CI 1.12-3.03
Need for invasive mechanical ventilation on day of admission
OR = 1.97, CI 1.14-3.40

Observational data: associations, not effects.

Further findings

OutcomeOR (CI)
In-hospital mortality, influenza-like viruses (RSV, parainfluenza, human metapneumovirus) (subgroup)After matching0.54 (0.33–0.88)

Factors associated with mortality (virus-detected ARF)

Neutropenia, OR
1.74 (95% CI 1.05-2.89)
Poor performance status, OR
1.84 (CI 1.12-3.03)
Invasive mechanical ventilation on day of admission, OR
1.97 (CI 1.14-3.40)
Type of virus not associated with mortality

Virus spectrum and co-infections

Influenza
59%
Respiratory syncytial virus
14%
Associated bacterial infection, 79 patients
21%
Invasive pulmonary aspergillosis, 23 patients
6%
  • Significant seasonal variation

Original publication

Prognosis of critically ill immunocompromised patients with virus-detected acute respiratory failure. Ann Intensive Care. Published 13 October 2023. doi:10.1186/s13613-023-01196-9

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