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KMID : 1144320230550010121
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감염과 화학요법
2023 Volume.55 No. 1 p.121 ~ p.127
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Persistent Pneumonic Consolidations due to Secondary Organizing Pneumonia in a Patient Recovering from COVID-19 Pneumonia: A Case Report and Literature Review
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Hong Kyung-Wook
Yang Jung-Wook
Kim Jong-Duk
Ju Sun-Mi
Cho Min-Chul
Bae In-Gyu
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Abstract
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In patients recovering from coronavirus disease 2019 (COVID-19) pneumonia, respiratory symptoms and radiographic pneumonic infiltrate occasionally persist for many weeks even after viral clearance; thereby, making it difficult to decide on an appropriate treatment. Here, we describe a 46-year-old woman with COVID-19 pneumonia who had persistent radiographic pneumonic infiltration and respiratory symptoms for almost 4 weeks after illness onset, despite viral clearance, and was subsequently diagnosed with secondary organizing pneumonia (SOP) using video-assisted thoracoscopic (VATS) wedge lung biopsy. Intravenous methylprednisolone was administered at an initial dose of 50 mg/day (1 mg/kg) for 7 days and was tapered to a dose of prednisolone 30 mg/day following improvement in the patient’s respiratory symptoms and chest radiographic findings. The patient was discharged from the hospital 14 days after the initiation of corticosteroid treatment. The dose of prednisolone was tapered monthly to 20, 15, 10, and 5 mg/day, respectively, at the outpatient clinic for a total duration of 6 months; nearly resolved pneumonic infiltrations were observed in a follow-up computed tomography scan approximately 2 months after she was admitted. To the best of our knowledge, this is the first case report of a COVID-19 associated SOP that was pathologically confirmed through VATS wedge lung biopsy in Korea. SOP should be considered in the differential diagnosis of patients with COVID-19 pneumonia with persistent respiratory symptoms and radiographic pneumonic infiltrations during the recovery phase to avoid the redundant use of antimicrobial or antiviral agents. Furthermore, histological confirmation is essential for the definitive diagnosis of SOP to avoid unnecessarily prolonged corticosteroid treatment.
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KEYWORD
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COVID-19, Secondary organizing pneumonia, Video-assisted thoracoscopic wedge lung biopsy
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