Emerging infectious diseases · 2026
Life-Threatening SARS-CoV-2-Associated Encephalopathy and Multiorgan Failure in Children, Asia and Oceania, 2022-2024.
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Kasai Mariko, Sakuma Hiroshi, Suzuki Motomasa, Nishiyama Masahiro, Kawata Nanako, Lin Jainn-Jim, Lin Kuang-Lin, Han Velda, Mohammad Shekeeb S, Dale Russell C, Thomas Terrence, Muramatsu Kazuhiro, Mitani Osamu, Kobayashi Yoshiyuki, Ishida Kouhei, Abe Yuichi, Kuki Ichiro, Takanashi Jun-Ichi
Аннотация
SARS-CoV-2 infections in children occasionally manifest with severe neurologic signs. We report a case series of life-threatening encephalopathy associated with SARS-CoV-2 in 25 children in Australia, Japan, Singapore, and Taiwan during February 2022-January 2024. All children had severe encephalopathy develop, characterized by rapidly progressive cerebral edema, conditions known as acute shock with encephalopathy and multiorgan failure or acute fulminant cerebral edema. Among the 25 patients, 22 (88%) eventually died; 11 (44%) children died within 24 hours of hospitalization. In addition, 18 (72%) had illness manifest with shock, and 14 (56%) had multiorgan failure develop within 6 hours of neurologic onset. Serum concentrations of cytokines/chemokines including interleukin 6 and tumor necrosis factor-α were significantly higher within 24 hours of onset than for controls. SARS-CoV-2-associated encephalopathy cases such as those described here represent an emerging neurologic crisis with high mortality rate resulting from rapidly progressive brain edema and multiorgan failure.