Bronchoscopic Improvement of Tracheobronchitis Due to Methicillin-Resistant Staphylococcus aureus After Aerosolized Vancomycin: A Case Series
Abstract
Abstract Background: Ventilator-associated tracheobronchitis (VAT) is an important risk factor for ventilator-associated pneumonia (VAP). The efficacy of aerosolized vancomycin (AV) in treating VAT has not been clearly demonstrated. Methods: Four mechanically ventilated patients with methicillin-resistant Staphylococcus aureus (MRSA) pneumonia were treated with an additional AV. AV (250 mg twice per day) was administered through a vibrating mesh device for 5 days. All patients were receiving intravenous vancomycin and had severe tracheobronchitis, based on bronchoscopic findings before or soon after additional AV treatment. Results: After several days of AV treatment, follow-up bronchoscopies showed dramatic improvement of tracheobronchitis. All patients achieved microbiological eradication of MRSA. Finally, two of four patients survived through to hospital discharge. Conclusion: This case series study suggests a potential role of AV in the treatment of MRSA tracheobronchitis, which were accompanied by VAP. Clinical trial addressing the efficacy of AV in MRSA VAT and/or VAP should be needed.
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Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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