Publication date: Feb 01, 2025

To investigate the infection status and outcomes of biliary atresia (BA) patients during the coronavirus disease 2019 (COVID-19) pandemic in Chinese population. This retrospective study involved Kasai-postoperative BA patients who had achieved jaundice-free during the SARS-CoV-2 outbreak from December 1, 2022 to February 28, 2023. Children without hepatobiliary diseases hospitalized during the same period were as control group. Data collected included nutritional status, comorbidities, epidemiologic characteristics, fever symptoms (duration, max), respiratory symptoms (cough, runny nose and shortness of breath), and gastrointestinal symptoms (diarrhea and vomiting). All cases infected with SARS-CoV-2 were followed up for 3 months. A total of 128 BA patients were enrolled, ranged in age from 6 months to 12 years old (median age: 1. 8 years). A total of 51 (39. 8%) and 49 BA patients (38. 3%) were classified as confirmed and suspected COVID-19 cases, respectively. Only two confirmed cases presented with moderate symptoms, while the rest developed asymptomatic or mild cases. Compared to the 115 control groups, the proportion of symptomatic cases in BA was slightly higher (78. 1% vs. 67. 8%) without significant difference (p = 0. 07). Similarly, no differences were found in proportion of fever, respiratory tract symptoms and gastrointestinal symptoms between BA and control groups. However, it is worth noting that 7 BA patients developed symptoms of cholangitis during SARS-CoV-2 infection, who experienced pale stool and elevated bilirubin levels. After hospitalization, six patients achieved jaundice-free survival, but one child finally had to undergo liver transplantation due to hepatic failure. The symptoms and course of COVID-19 in BA patients were similar to those in healthy population. The vast majority of BA patients made a good recovery from COVID-19.

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