Sepsis & infection

Pulmonary superinfection diagnosed with bronchoalveolar lavage at intubation in COVID patients: A Swedish single‐centre study

Acta Anaesthesiol ScandPublished Retrospective cohort study

Authors' conclusion

One fourth of the patients with C-ARDS had a pulmonary superinfection in the lungs that was caused by another microorganism identified at intubation. Routine serum inflammatory markers could not be used to identify this complication. Microorganisms located in BAL at intubation were rarely associated with later VAP development.

Study context

Population
Patients with COVID-19 ARDS intubated in one Swedish county hospital intensive care unit (ICU) during the first pandemic yearBronchoalveolar lavage (BAL) specimens analysed
Participants
112 patients
Outcome
Incidence of, and microorganisms responsible for, superinfection at first intubation (BAL fluid)
Follow-up
At intubation
Methodological detailssingle-centre
  • Single-centre

Main finding

As reported in the abstract

Pulmonary superinfection at intubation

Patients with superinfection

31

28%

Observational data: associations, not effects.

Further findings

Blood CRP, procalcitonin, neutrophils, lymphocytes

Indistinguishable between patients with and without pulmonary superinfection

Ventilator-associated pneumonia (VAP) among patients on invasive mechanical ventilation (IMV) >48 h

Treated with IMV >48 h
98 (88%)
Diagnosed with VAP (of those on IMV >48 h)
37%
Same bacterial strain at intubation superinfection and in VAP
1 patient

Original publication

Pulmonary superinfection diagnosed with bronchoalveolar lavage at intubation in COVID patients: A Swedish single‐centre study. Acta Anaesthesiol Scand. Published 28 January 2024. doi:10.1111/aas.14378

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