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KMID : 1040320230300010020
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Pediatric Infection & Vaccine
2023 Volume.30 No. 1 p.20 ~ p.32
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Etiology and Risk Factors of Community-Acquired Pneumonia in Hospitalized Children During the COVID-19 Pandemic in South Korea
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Kang Hae-Min
Song Seung-Ha
Ahn Bin
Park Ji-Young
Kang Hyun-Mi
Kwak Byung-Ok
Kim Dong-Hyun
Lee Joon-Kee
Choi Soo-Han
Choi Jae-Hong
Choi Eun-Hwa
Yun Ki-Wook
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Abstract
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Purpose: This study aimed to identify the etiology and risk factors of community-acquired pneumonia (CAP) requiring hospitalization in Korean children during the coronavirus disease 2019 (COVID-19) pandemic.
Methods: Clinical information of children admitted with CAP to Seoul National University Children’s Hospital (SNUCH) between January 1, 2021, and February 28, 2022, was retrospectively collected and analyzed. In addition, the etiologic diagnosis and demographic data of children with CAP who were discharged at the other seven hospitals between January and February 2022 were collected. Pneumonia was diagnosed using strict criteria comprising clinical symptoms, physical examination findings, and chest radiographic findings.
Results: Among 91 children hospitalized with CAP at SNUCH during the 14-month period, 68.4% were aged <5 years and 79.1% had underlying diseases. Among the 95 CAP cases, respiratory assistance was required in 70.5%, and the use of a ventilator was required in 20.0%.
A total of five patients expired, all of whom were either immunocompromised or had underlying neurological diseases. Neurological diseases and immunosuppression were significantly correlated with respiratory assistance (P=0.003) and death (P=0.014). A total of 55% of the detected respiratory pathogens were viruses, the most common of which was rhinovirus at 35.9%. Among the 169 children hospitalized for CAP at the eight institutions, ≥1 respiratory virus was detected in 92.3%, among which respiratory syncytial virus (79.8%) was the most prevalent.
Conclusions: Even during the COVID-19 pandemic, Korean children were hospitalized with CAP caused by seasonal respiratory viral pathogens. Although atypical and pyogenic bacteria were not detected, continuous clinical monitoring and further prospective studies should be conducted.
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KEYWORD
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Pneumonia, Children, Etiology, COVID-19
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