Sepsis & infection

Respiratory management of critically ill pneumocystis pneumonia patients: a multicenter retrospective study

Ann Intensive CarePublished Secondary analysis of the PRONOCYSTIS multicentre retrospective cohort study

Authors' conclusion

Through this multicenter observational study of severe PjP patients, although oxygenation strategy was not associated with D90 survival, HFNC support appeared to be associated with a lower intubation rate.

Study context

Population
Immunocompromised patients with Pneumocystis jirovecii pneumonia admitted to Intensive Care Unit (ICUs)
Participants
248 patients
Comparison
Initial respiratory management: High-Flow Nasal Cannula (HFNC) vs Non-Invasive Ventilation (NIV) vs standard oxygen
  • HFNCn = 70
  • Standard Oxygen (SO)n = 118reference
  • NIVn = 60
Primary endpoint
Intubation rate
Methodological detailspropensity score adjustment (inverse probability of treatment weighting (IPTW))
  • Propensity score adjustment (IPTW)

Primary result

As reported in the abstract

IPTW
Each group vs SOEstimate (95% CI)P value
HFNC
weighted HR 0.41(0.24–0.69)
P < 0.001
NIV
HR 0.62(0.37–1.02)
P = 0.056

Further findings

Independent predictors of death (adjusted survival analysis)

aHR for death (95% CI)P value
Long-term corticosteroids4.03 (2.01–8.08)P < 0.001
Solid tumor3.37 (1.45–7.86)P = 0.005
SOFA score1.24 (1.15–1.35)P < 0.001

Survival by initial respiratory support

Initial respiratory support not associated with survival in Cox multivariable or IPTW analysis

Original publication

Respiratory management of critically ill pneumocystis pneumonia patients: a multicenter retrospective study. Ann Intensive Care. Published 6 August 2025. doi:10.1186/s13613-025-01503-6

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