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[Osmotic homeostasis and blood antidiuretic activity in diabetes mellitus in children]
Insights
In diabetic children, increased plasma osmolarity and antidiuretic activity (ADA) indicate dehydration and worsened water-electrolyte balance. High ADA levels in diabetes decompensation signal significant dehydration in children.
Area of Science:
- Pediatric Endocrinology
- Clinical Biochemistry
- Metabolic Disorders
Context:
- Analysis of 76 diabetic children (ages 3-15) focusing on clinical and biochemical markers.
- Investigation into plasma osmolarity, plasmic components (electrolytes, glucose, urine), and blood antidiuretic activity (ADA).
Purpose:
- To analyze clinical and biochemical findings in diabetic children.
- To understand the relationship between osmolarity, ADA, and metabolic status in pediatric diabetes.
- To identify factors contributing to hyperosmolar syndrome in diabetic children.
Summary:
- Increased plasma osmolarity and elevated blood ADA were observed as metabolic disorders progressed in diabetic children.
- Deterioration of water-electrolyte balance correlated with increased osmolarity and ADA.
- No direct linear correlation between osmolarity and ADA was found during diabetes decompensation; high ADA suggests significant dehydration.
Impact:
- High blood ADA levels are a marker for pronounced dehydration in pediatric diabetes.
- Identifies key factors causing hyperosmolar syndrome in diabetic children, including blood coagulation, accumulation of osmotic substances (glucose, urine), and reduced glomerular filtration.
- Provides insights into the pathophysiology of metabolic derangements in pediatric diabetes.
Abstract:
Clinical and biochemical findings, obtained in 76 diabetic children aged 3 to 15 years, were analyzed. Osmolarity of the plasma and plasmic components (electrolytes, glucose and urine) as well as blood antidiuretic activity (ADA) were studied. Osmolarity and plasmic ADA indices increased and water-electrolyte balance deteriorated as metabolic disorders developed. No exact linear correlation between osmolarity and the blood ADA indices was observed in diabetes decompensation. A high blood ADA level is considered to be a manifestation of the pronounced organism dehydration. It was shown that blood coagulation, accumulation of active osmotic substances in the blood, i.e. glucose, urine and other products of the disordered metabolism, as well as a decrease in renal glomerular filtration cause the hyperosmolaric syndrome in diabetic children.