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Clinical features and predictors of remission in children under the age of 7 years with Graves’ disease
Author(s) -
Gu Yi,
Liang Xuejun,
Liu Ming,
Wu Di,
Li Wenjing,
Cao Bingyan,
Li Yuchuan,
Su Chang,
Chen Jiajia,
Gong Chunxiu
Publication year - 2020
Publication title -
pediatric investigation
Language(s) - English
Resource type - Journals
ISSN - 2574-2272
DOI - 10.1002/ped4.12219
Subject(s) - medicine , family history , pediatrics , interquartile range , retrospective cohort study , medical record , logistic regression , graves' disease , univariate analysis , disease , multivariate analysis
Importance Graves’ disease (GD) is rare in children under the age of 7 years. Children with this disease exhibit greater thyrotoxicity at diagnosis and require a longer course of medical therapy, compared with pubertal and postpubertal children and adults. Objective To investigate the clinical features and identify predictors of remission in children under the age of 7 years with GD. Methods This retrospective study included 77 children who were diagnosed with GD under the age of 7 years and were treated in the Department of Endocrinology, Beijing Children’s Hospital from 2010 to 2018. Clinical manifestations, laboratory data, and follow‐up records were collected for all patients. Children who achieved remission of treatment with methimazole were compared with those who had persistent disease to identify which variables were associated with remission; multiple logistic regression and Cox regression analyses were used to evaluate interactions among predictive variables. Results Sixty‐three boys and 14 girls were included; the median age at diagnosis was 4.2 years (interquartile range: 3.2–5.3 years). Forty‐six (56.7%) patients had no family history of thyroid disease, 17 patients had family history of thyroid disease and 14 patients with unknown family history. Of the 77 patients, 18 (23.4%) patients achieved remission of treatment with methimazole and 59 patients did not; moreover, 51 (66.2%) had Graves’ ophthalmopathy. Univariate analyses revealed no significant differences between the remission group and non‐remission group in terms of age at diagnosis, sex, initial goiter size, or initial thyroid hormone concentration. However, there were a trend of correlation between the initial level of thyroid peroxidase antibody (TPOAb) and remission status (univariate analysis OR 1.002, P = 0.038; multivariate analysis OR 1.004, P = 0.019). Similar results were observed in univariate analysis of the initial thyrotropin receptor antibody (TRAb) level, but this association was not significant in multivariate analysis. Cox regression analyses revealed that children with high TRAb level required longer duration of remission, compared with low TRAb level ( OR 0.950, 95% CI 0.904–0.997, P = 0.037). Interpretation Initial TRAb level was an independent predictor of remission outcome in young children under the age of 7 years with GD. Initial TRAb level may predict the likelihood of remission in patients with young‐age‐of‐onset GD.

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