Resolution of Eosinophilic Pneumonia after Coronavirus Disease 2019 without Systemic Corticosteroids

Yumiko Misaki; Yusuke Hayashi; Masahiro Shirata; Kazuhiro Terada; Akihiko Yoshizawa; Ryo Sakamoto; Kohei Ikezoe; Kiminobu Tanizawa; Tomohiro Handa; Toyohiro Hirai

doi:10.2169/internalmedicine.1648-23

CASE REPORTS

Resolution of Eosinophilic Pneumonia after Coronavirus Disease 2019 without Systemic Corticosteroids

Yumiko Misaki, Yusuke Hayashi, Masahiro Shirata, Kazuhiro Terada, Akihiko Yoshizawa, Ryo Sakamoto, Kohei Ikezoe, Kiminobu Tanizawa, Tomohiro Handa, Toyohiro Hirai

Author information

Yumiko Misaki
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Yusuke Hayashi
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Masahiro Shirata
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Department of Respiratory Medicine, Kyoto Preventive Medical Center, Japan
Kazuhiro Terada
Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Japan
Akihiko Yoshizawa
Department of Diagnostic Pathology, Graduate School of Medicine, Kyoto University, Japan
Ryo Sakamoto
Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Japan
Kohei Ikezoe
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Kiminobu Tanizawa
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Tomohiro Handa
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan
Department of Advanced Medicine for Respiratory Failure, Graduate School of Medicine, Kyoto University, Japan
Toyohiro Hirai
Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Japan

Keywords: eosinophilic pneumonia, SARS-CoV-2, COVID-19, COVID-19 vaccines

JOURNAL OPEN ACCESS

2023 Volume 62 Issue 21 Pages 3223-3230

DOI https://doi.org/10.2169/internalmedicine.1648-23

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Details

Abstract

Pulmonary and extrapulmonary complications after coronavirus disease 2019 (COVID-19) have been major public health concerns during the COVID-19 pandemic. Although post-COVID-19 pulmonary manifestations cover a wide spectrum, eosinophilic pneumonia (EP) has rarely been reported. To date, only four cases of EP potentially triggered by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection have been reported, all of which required systemic corticosteroid therapy. We herein report the first case of post-COVID-19 EP resolution without systemic corticosteroid therapy. We also review the literature regarding EP associated with SARS-CoV-2 infection and vaccination.

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