Objectives: Evaluate etiological circumstances and prognosis in Legionnaires' disease.
Methods: A series of 81 culture-proven cases of Legionnaires' disease was collected in the Paris area between 1989 and 1994.
Results: Direct immunofluorescence assay was positive for Legionella pneumophilia in 48% of the cases. Serogroup 1 was isolated in 88% of the cases. The median age of the patients was 51 years and 74% were males. Infection was nosocomial in 28% of the cases. Immunosuppression was present in 45% of the patients (transplantation, cancer, leukemia). Among the immunosuppressed patients, 7 were HIV-infected. Mortality due to legionellosis reached 27%. This high mortality was probably related to patient selection criteria.
Conclusion: Mortality from Legionnaires' disease remains high as confirmed in this series.
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BMJ Oncol
May 2024
Genomic Epidemiology Branch, International Agency for Research on Cancer, Lyon, France.
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Department of Nephrology-Dialysis-Transplantation, University of Liège, CHU Sart Tilman, Liège, Belgium.
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Institute of Biology, Fundamental and Applied Research in Chemical Ecology, University of Neuchâtel, Neuchâtel, Switzerland.
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Nutrition & Health Innovation Research Institute, Edith Cowan University, Perth, WA, Australia.
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