Severe community‐acquired pneumonia compared to severe community‐acquired Acinetobacter baumannii pneumonia in Reunion Island: A retrospective study
2025

Severe pneumonia caused by Acinetobacter baumannii in Reunion Island

Sample size: 769 publication 10 minutes Evidence: moderate

Author Information

Author(s): Rotini Giacomo, de Mangou Axel, Combe Agathe, Renou Amelie, Combe Chloe, Cally Radj, Lagrange‐Xelot Marie, Allou Nicolas, Miltgen Guillaume, Vidal Charles

Primary Institution: Felix Guyon University Hospital, Saint‐Denis, Reunion, France

Hypothesis

What are the specific aspects of community-acquired pneumonia caused by Acinetobacter baumannii compared to other severe pneumonia cases?

Conclusion

Severe community-acquired pneumonia caused by Acinetobacter baumannii is associated with higher mortality and multiple organ failure, particularly in patients with excessive alcohol use and malnutrition.

Supporting Evidence

  • Patients with CAP-Ab had a higher mortality rate of 62.5% compared to 24.3% for non-Ab-related CAP.
  • 75% of CAP-Ab patients had excessive alcohol use, compared to 25.6% in the control group.
  • CAP-Ab patients required invasive mechanical ventilation 100% of the time.

Takeaway

This study found that a specific type of pneumonia caused by a germ called Acinetobacter baumannii is very serious and can make people very sick, especially if they drink a lot of alcohol or are not eating well.

Methodology

The study compared 8 cases of Acinetobacter baumannii pneumonia with 761 cases of non-Ab-related pneumonia through retrospective chart reviews.

Limitations

The study is limited by its retrospective nature and the small number of Acinetobacter baumannii cases.

Participant Demographics

The majority of patients with CAP-Ab were middle-aged men with a history of excessive alcohol use.

Statistical Information

P-Value

p=0.005

Confidence Interval

95% CI (Woolf method)

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1111/tmi.14067

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