BMC infectious diseases · 2017
Secondary organizing pneumonia following viral pneumonia caused by severe influenza B: a case report and literature reviews.
Клинический случайСтатьяОбзорНазвание и аннотация: Перевод пока не подготовлен
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Asai Nobuhiro, Yokoi Toyoharu, Nishiyama Naoya, Koizumi Yusuke, Sakanashi Daisuke, Kato Hideo, Hagihara Mao, Suematsu Hiroyuki, Yamagishi Yuka, Mikamo Hiroshige
Аннотация
BACKGROUND: Some reported that organizing pneumonia (OP) may occur after influenza A infections including swine-origin influenza A (H1N1). However, OP associated with influenza B infection has never been reported. We report the first case of secondary OP associated with viral pneumonia caused by influenza B.
CASE PRESENTATION: A 23-year old woman was diagnosed as viral pneumonia caused by type B influenza. Despite of antiviral therapy, abnormal chest shadows were not improved. Bronchoscopy and transbronchial lung biopsy showed organizing pneumonia due to viral pneumonia caused by influenza B. Corticosteroid therapy was started at 30 mg daily (0.5 mg/kg), and the dose was reduced to 25, 20, 15 or 10 mg per day every month with symptomatic and radiological resolution. Even after corticosteroid therapy was discontinued, we did not confirm disease recurrence.
CONCLUSIONS: Physicians should be aware of the possibility for SOP and severe viral pneumonia even in case of type B as well as type A influenza infections.
CASE PRESENTATION: A 23-year old woman was diagnosed as viral pneumonia caused by type B influenza. Despite of antiviral therapy, abnormal chest shadows were not improved. Bronchoscopy and transbronchial lung biopsy showed organizing pneumonia due to viral pneumonia caused by influenza B. Corticosteroid therapy was started at 30 mg daily (0.5 mg/kg), and the dose was reduced to 25, 20, 15 or 10 mg per day every month with symptomatic and radiological resolution. Even after corticosteroid therapy was discontinued, we did not confirm disease recurrence.
CONCLUSIONS: Physicians should be aware of the possibility for SOP and severe viral pneumonia even in case of type B as well as type A influenza infections.