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Pediatric Gastrointestinal Tract Outcomes During the Postacute Phase of COVID-19
Journal article   Open access   Peer reviewed

Pediatric Gastrointestinal Tract Outcomes During the Postacute Phase of COVID-19

Dazheng Zhang, Ronen Stein, Yiwen Lu, Ting Zhou, Yuqing Lei, Lu Li, Jiajie Chen, Jonathan Arnold, Michael J Becich, Elizabeth A Chrischilles, …
JAMA network open, Vol.8(2), e2458366
02/03/2025
DOI: 10.1001/jamanetworkopen.2024.58366
PMCID: PMC11806396
PMID: 39918822
url
https://doi.org/10.1001/jamanetworkopen.2024.58366View
Published (Version of record) Open Access

Abstract

The profile of gastrointestinal (GI) tract outcomes associated with the postacute and chronic phases of COVID-19 in children and adolescents remains unclear. To investigate the risks of GI tract symptoms and disorders during the postacute (28-179 days after documented SARS-CoV-2 infection) and the chronic (180-729 days after documented SARS-CoV-2 infection) phases of COVID-19 in the pediatric population. This retrospective cohort study was performed from March 1, 2020, to September 1, 2023, at 29 US health care institutions. Participants included pediatric patients 18 years or younger with at least 6 months of follow-up. Data analysis was conducted from November 1, 2023, to February 29, 2024. Presence or absence of documented SARS-CoV-2 infection. Documented SARS-CoV-2 infection included positive results of polymerase chain reaction analysis, serological tests, or antigen tests for SARS-CoV-2 or diagnosis codes for COVID-19 and postacute sequelae of SARS-CoV-2. GI tract symptoms and disorders were identified by diagnostic codes in the postacute and chronic phases following documented SARS-CoV-2 infection. The adjusted risk ratios (ARRs) and 95% CI were determined using a stratified Poisson regression model, with strata computed based on the propensity score. The cohort consisted of 1 576 933 pediatric patients (mean [SD] age, 7.3 [5.7] years; 820 315 [52.0%] male). Of these, 413 455 patients had documented SARS-CoV-2 infection and 1 163 478 did not; 157 800 (13.6%) of those without documented SARS-CoV-2 infection had a complex chronic condition per the Pediatric Medical Complexity Algorithm. Patients with a documented SARS-CoV-2 infection had an increased risk of developing at least 1 GI tract symptom or disorder in both the postacute (8.64% vs 6.85%; ARR, 1.25; 95% CI, 1.24-1.27) and chronic (12.60% vs 9.47%; ARR, 1.28; 95% CI, 1.26-1.30) phases compared with patients without a documented infection. Specifically, the risk of abdominal pain was higher in COVID-19-positive patients during the postacute (2.54% vs 2.06%; ARR, 1.14; 95% CI, 1.11-1.17) and chronic (4.57% vs 3.40%; ARR, 1.24; 95% CI, 1.22-1.27) phases. In this cohort study, the increased risk of GI tract symptoms and disorders was associated with the documented SARS-CoV-2 infection in children or adolescents during the postacute or chronic phase. Clinicians should note that lingering GI tract symptoms may be more common in children after documented SARS-CoV-2 infection than in those without documented infection.
 Adolescent Child Child, Preschool COVID-19 - complications COVID-19 - epidemiology Female Gastrointestinal Diseases - epidemiology Gastrointestinal Diseases - etiology Gastrointestinal Tract - virology Humans Infant Male Post-Acute COVID-19 Syndrome Retrospective Studies SARS-CoV-2 United States - epidemiology

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