Related Experiment Video
Updated: Jun 3, 2026
Assessment and Evaluation of the High Risk Neonate: The NICU Network Neurobehavioral Scale
Published on: August 25, 2014
Risk factors for neurodevelopmental deficits in congenital hypothyroidism after early substitution treatment
Kaiming Huo1, Zhan Zhang, Dehua Zhao
1Department of Pediatrics, the Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China.
Insights
Children with congenital hypothyroidism (CH) may experience subtle neurodevelopmental deficits. Factors like CH severity, thyroid stimulating hormone (TSH) normalization time, and socioeconomic status influence outcomes.
Area of Science:
- Pediatric Endocrinology
- Neurodevelopmental Pediatrics
- Genetics
Background:
- Congenital hypothyroidism (CH) requires early treatment for optimal neurodevelopment.
- Subtle neurological deficits can persist despite early intervention in CH patients.
- Understanding factors influencing neurodevelopmental outcomes is crucial for CH management.
Purpose of the Study:
- To evaluate factors influencing neurodevelopmental outcomes in children with congenital hypothyroidism.
- To compare developmental quotients (DQ) of CH patients with healthy controls.
Main Methods:
- Gesell Developmental Schedules (GDS) used to assess DQ at 24 months in 155 CH patients and 310 controls.
- Analysis of factors including CH severity, serum T4 levels, thyroid stimulating hormone (TSH) normalization time, and parental socioeconomic status.
- Bivariate correlation and multiple regression analyses were employed.
Main Results:
- CH patients showed significantly lower mean DQ scores for adaptive behavior compared to controls (p < 0.01).
- Severe CH, low serum T4 at diagnosis, and longer TSH normalization time were associated with lower adaptive behavior scores (p < 0.0003).
- CH severity, TSH normalization time, and parental socioeconomic status significantly correlated with DQ scores.
Conclusions:
- Neurodevelopmental deficits in CH are linked to CH severity, TSH normalization time, and socioeconomic status.
- Early detection and management of CH, considering these influencing factors, are vital for improving long-term neurodevelopmental outcomes.
Abstract:
Neurodevelopment in children with congenital hypothyroidism who receive early treatment is generally good. However, subtle neurological deficits still exist in some patients. The aim of this investigation was to evaluate factors that may influence neurodevelopmental outcome in congenital hypothyroidism patients. The developmental quotient (DQ) of 155 children with congenital hypothyroidism was evaluated at 24 months of age, using Gesell Developmental Schedules (GDS), and compared with that of 310 healthy controls. Mean DQ scores in congenital hypothyroidism patients were 7.5 points lower for adaptive behavior than in control patients (p < 0.01). Patients with severe congenital hypothyroidism had the lowest DQ scores compared with two other congenital hypothyroidism subgroups and controls (p < 0.01). Children with congenital hypothyroidism who also had a low level of serum T(4) at diagnosis or exhibited a longer thyroid stimulating hormone (TSH) normalization time had lower adaptive behavior scores (p < 0.0003). Bivariate correlation and multiple regression analyses found that the severity of congenital hypothyroidism and parental socioeconomic status correlated with DQ scores. TSH normalization time was negatively related to adaptive behavior scores (p < 0.01). Neurodevelopmental deficits in children with congenital hypothyroidism correlate with the severity of congenital hypothyroidism, TSH normalization time, and parental socioeconomic status.
Related Concept Videos
01:23Hypothyroidism II: Pathophysiology
01:30Attention-Deficit/Hyperactivity Disorder
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings.
01:25Hyperthyroidism I: Introduction
01:28Graves' Disease I: Introduction
01:27Hyperthyroidism II: Pathophysiology
01:20Synthesis and Regulation of Thyroid Hormones
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The iodine is then...