Δευτέρα 23 Οκτωβρίου 2017

Necrotising pneumonia following influenza due to PVL-negative Staphylococcus aureus in a 64-year-old woman

Description

A 64-year-old immunocompetent woman presented to our institution during the 2016–2017 influenza A(H3N2) epidemic for cough and fever. She presented 10 days ago with an influenza syndrome, treated with ibuprofen 400 mg/day for 7 days. As the fever continued, with blood-streaked sputum, amoxicillin with clavulanic acid was prescribed for 3 days and then ceftriaxone (1 g/day). She had elevated transaminases and C reactive protein (184 mg/L). A chest X-ray was performed, showing a left pneumonia (figure 1A), and the patient was admitted in the infectious disease unit. There was no respiratory failure. Amphoric breath sound was heard at the top of the right lung. Antibiotics were modified, as levofloxacine (500 mg twice daily) was added to cefotaxime (1 g/8 hours). A CT scan of the chest was performed (figure 1B,C), showing a bifocal pneumonia involving the upper right and lower left lobes, and excavated bilateral nodules. The bronchoalveolar lavage showed a positive influenza...



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