Clinical and experimental pediatrics · 2026
Distinct age-dependent phenotypes of abnormal liver function tests derived from national Emergency Department data.
СтатьяНазвание и аннотация: Перевод в очереди
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Kim Dong-Uk, Choi Shinjie, Kim Yeji, Kim Lia, Shim Jung Ok, Moon Jin Soo, Hahn Jong Woo, Yang Hye Ran, Chang Ju Young, Ko Jae Sung
Аннотация
BACKGROUND: Abnormal liver function tests (LFTs) are frequently performed in Emergency Departments (EDs); however, the systematic characterization of age-dependent clinical phenotypes and pathogen associations remains limited.
PURPOSE: Here we aimed to identify the distinct clinical presentations and pathogen-specific associations of pediatric and adult ED visits for abnormal LFTs.
METHODS: This retrospective cohort study analyzed 26,874 ED visits for abnormal LFTs in South Korea's National Emergency Department Information System (2019-2023). Patients were stratified into pediatric (0-18 years) and adult (19-64 years) groups. We characterized the clinical presentations, concurrent diagnoses, temporal correlations with infectious pathogens, and metabolic comorbidity patterns.
RESULTS: The ED visits included 3,152 pediatric (11.7%) and 23,722 adult patients (88.3%). Pediatric presentations demonstrated fever-predominant profiles (47.3%), respiratory symptoms (6.4%), and infectious disease diagnoses (39.8%) as well as temporal correlations with respiratory viruses (rhinovirus, r=0.30; adenovirus, r=0.28; P<0.001). Adult presentations revealed previously unreported population-level temporal associations with enteric pathogens, including astrovirus (r=0.35), sapovirus (r=0.32), enteropathogenic Escherichia coli (r=0.38), and enterotoxigenic Escherichia coli (r=0.36, all P<0.001) coupled with infectious gastroenteritis (20.9%) and upper gastrointestinal disorders, including gastritis (18.3%). Adults demonstrated clustering of the following metabolic comorbidities: dyslipidemia (7.9%), hypertension (7.8%), and diabetes (6.0%). During the coronavirus disease 2019 pandemic, pediatric visits remained stable, whereas adult visits increased following the implementation of social distancing measures (rate ratio, 0.82; P=0.004).
CONCLUSION: The ED presentation of abnormal LFTs results demonstrated distinct age-dependent phenotypes with divergent temporal pathogen associations. Pediatric cases reflected acute respiratory viral infections, whereas adult presentations showed novel population-level enteric pathogen associations with upper gastrointestinal disorders and clusters of metabolic comorbidities. These findings provide evidence supporting age-stratified diagnostic approaches for EDs.
PURPOSE: Here we aimed to identify the distinct clinical presentations and pathogen-specific associations of pediatric and adult ED visits for abnormal LFTs.
METHODS: This retrospective cohort study analyzed 26,874 ED visits for abnormal LFTs in South Korea's National Emergency Department Information System (2019-2023). Patients were stratified into pediatric (0-18 years) and adult (19-64 years) groups. We characterized the clinical presentations, concurrent diagnoses, temporal correlations with infectious pathogens, and metabolic comorbidity patterns.
RESULTS: The ED visits included 3,152 pediatric (11.7%) and 23,722 adult patients (88.3%). Pediatric presentations demonstrated fever-predominant profiles (47.3%), respiratory symptoms (6.4%), and infectious disease diagnoses (39.8%) as well as temporal correlations with respiratory viruses (rhinovirus, r=0.30; adenovirus, r=0.28; P<0.001). Adult presentations revealed previously unreported population-level temporal associations with enteric pathogens, including astrovirus (r=0.35), sapovirus (r=0.32), enteropathogenic Escherichia coli (r=0.38), and enterotoxigenic Escherichia coli (r=0.36, all P<0.001) coupled with infectious gastroenteritis (20.9%) and upper gastrointestinal disorders, including gastritis (18.3%). Adults demonstrated clustering of the following metabolic comorbidities: dyslipidemia (7.9%), hypertension (7.8%), and diabetes (6.0%). During the coronavirus disease 2019 pandemic, pediatric visits remained stable, whereas adult visits increased following the implementation of social distancing measures (rate ratio, 0.82; P=0.004).
CONCLUSION: The ED presentation of abnormal LFTs results demonstrated distinct age-dependent phenotypes with divergent temporal pathogen associations. Pediatric cases reflected acute respiratory viral infections, whereas adult presentations showed novel population-level enteric pathogen associations with upper gastrointestinal disorders and clusters of metabolic comorbidities. These findings provide evidence supporting age-stratified diagnostic approaches for EDs.