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Severe Necrotizing Pneumonia Caused by Panton‑Valentine Leukocidin‑Producing Staphylococcus aureus in a Previously
Prabin Paudyal1, Pallavi Bedi2
1Internal Medicine, University Hospital Hairmyres, NHS Lanarkshire, Glasgow, GBR.
Abstract:
A previously healthy adult male presented with rapidly progressive pneumonia and systemic features of infection shortly after returning from travel abroad. Despite broad‑spectrum antimicrobial therapy and supportive measures, he deteriorated into respiratory failure requiring ICU admission and mechanical ventilation. Imaging revealed cavitating lung nodules and necrosis. Panton-Valentine leukocidin (PVL)‑positive Staphylococcus aureus (PVL‑SA) was confirmed by PCR. This case highlights the importance of early recognition and targeted management of PVL‑SA, a virulent toxin‑producing strain associated with severe necrotizing pneumonia and systemic complications, especially in young, otherwise healthy individuals.
Insights
A severe necrotizing pneumonia case was caused by Panton-Valentine leukocidin (PVL)-positive Staphylococcus aureus. Early recognition and targeted treatment of PVL-SA are crucial for preventing severe complications in healthy individuals.
Area of Science:
- Infectious Diseases
- Pulmonology
- Microbiology
Background:
- Panton-Valentine leukocidin (PVL)-positive Staphylococcus aureus (PVL-SA) is an emergent pathogen.
- PVL-SA is associated with severe skin and soft tissue infections and invasive disease.
- Necrotizing pneumonia caused by PVL-SA can rapidly progress to respiratory failure.
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