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[Behavior of insulin in children with constitutional short stature]
M J Blasco Pérez-Aramendia1, J M Garagorri Otero, T Martínez Terer
1Departamento de Pediatría, Facultad de Medicina de la Universidad de Zaragoza, Hospital Clínico Universitario.
Insights
Children with constitutional short stature exhibit lower physiological insulin secretion over 24 hours compared to normal stature peers. Glucose tolerance tests showed similar insulin responses in both groups, indicating a difference in basal insulin levels.
Area of Science:
- Pediatric Endocrinology
- Metabolic Research
- Growth Disorders
Context:
- Investigating endocrine differences in children with short stature.
- Comparing physiological insulin secretion patterns.
- Evaluating responses to glucose challenges.
Purpose:
- To compare insulin secretion between children with constitutional short stature and those with normal stature.
- To analyze 24-hour physiological insulin secretion and glucose tolerance test (GTT) responses.
- To identify potential metabolic differences contributing to short stature.
Summary:
- Forty-seven children with normal stature and 35 with constitutional short stature underwent a 1 g/kg glucose tolerance test and 24-hour physiological insulin secretion monitoring.
- Insulin levels post-GTT were similar between groups.
- Children with constitutional short stature demonstrated significantly lower 24-hour physiological insulin secretion rates (p < 0.005) compared to controls.
Impact:
- Highlights potential dysregulation in basal insulin secretion in constitutional short stature.
- Suggests that short stature may be linked to subtle metabolic differences beyond acute glucose response.
- Provides insights for further research into the endocrine underpinnings of growth.
Abstract:
Secretion of insulin in a group of children with normal stature and without endocrine-metabolic (47 cases), versus another group with constitutional short stature (35 cases). Is study authors made a glucose tolerance test (1 g/kg) to both groups and they study the fisiologic secretion of insulin during 24 hours. It was observed that rates of insulin were similar after glucose tolerance test in both groups, but study of fisiologic secretion of insulin during 24 hours shows low rates of insulin in the group of constitutional short stature (p less than 0.005). The problem group rises higher rates of insulin after a glucose tolerance test than after the study of fisiologic secretion of insulin in 24 hours, but the other group shows similar answer in both tests.