3.8 Article

Virulent Pseudomonas aeruginosa pneumonia in an immunocompetent adult associated with a home whirlpool bath: A case report

Journal

RESPIRATORY MEDICINE CASE REPORTS
Volume 38, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.rmcr.2022.101673

Keywords

Pseudomonas aeruginosa (P. aeruginosa); Whirlpool bath; Multi-locus sequence typing (MLST); Exoenzyme S (exoS) gene; Exo S

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This study presented a case of life-threatening pneumonia caused by P. aeruginosa in a healthy 67-year-old man. Rapid disseminated infection led to hemorrhagic pneumonia and bacteremia. Radical pneumonectomy eventually resolved the infection.
We present a case of life-threatening pneumonia caused by Pseudomonas aeruginosa (P. aeruginosa) in a healthy 67-year-old man. Rapid disseminated infection resulted in the right hemorrhagic pneumonia and bacteremia. Antimicrobial therapy had limited effects, radical pneumonectomy eventually resolved the prolonged infection. Concurrently, we explored the environmental factors responsible for fulminant P. aeruginosa infection. Multi-locus sequence typing demonstrated that P. aeruginosa isolated from the patient was identical to that collected from home whirlpool bath by the common virulent factor gene. Massive inhalation of contaminated aerosol and pathogen virulence may have synergistically contributed to the severity in this case.

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