Pediatric esophagogastroduodenoscopy in china: indications, diagnostic yield, and factors associated with findings

Shengnan Wang, Xiaoxia Qiu, Jingfang Chen, Hong Mei, Haiyan Yan, Jieyu You, Ying Huang, Shengnan Wang, Xiaoxia Qiu, Jingfang Chen, Hong Mei, Haiyan Yan, Jieyu You, Ying Huang

Abstract

Background: Large-scale data on esophagogastroduodenoscopy (EGD) in China are scarce. This study aimed to assess the indications and diagnostic yield of EGD in children and the relationship between factors (such as age, sex, and indications) and diagnostic yield.

Methods: We performed a prospective cross-sectional observational study involving patients aged < 18 years who underwent diagnostic EGD. The study was conducted in five children's hospitals, each in a different city. Demographic features, indications for endoscopy, and endoscopic and histopathological findings were collected. Univariable and multivariable ordinal logistic regression analyses of the relationship between the factors and diagnostic yield were performed.

Results: The study included 2268 patients (male/female ratio, 1.3:1) with a median age of 8.68 years. Among the 2268 children, the most frequent indications were abdominal pain in 1954 (86.2%), recurrent vomiting in 706 (31.1%), weight loss in 343 (15.1%), and others. The endoscopic yield was 62.5% and was the highest in patients with dysphagia (90.9%). The histologic yield was 30.4% and was the highest in patients with unexplained anemia (45.5%). On multivariable regression analysis, the endoscopic yield was associated with dysphagia, gastrointestinal (GI) bleeding, and recurrent vomiting, and the histologic yield was associated with age. Different groups of patients with abdominal pain had variable probabilities of abnormal endoscopic findings.

Conclusions: The most frequent indication of pediatric EGD is abdominal pain, with variable probabilities of abnormal endoscopic findings in different groups. Endoscopic yield and histologic yield are associated with certain alarming features.

Trial registration: The trial registration number (ClinicalTrials. gov): NCT03603093 (The study was registered on 27/07/2018).

Keywords: Abdominal pain; Endoscopic yield; Histologic yield; Persistent vomiting; Regression analyses.

Conflict of interest statement

The authors declare that they have no competing interests.

© 2022. The Author(s).

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