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Insulin edema in a diabetic child
Insights
New-onset edema in a child with poorly-controlled diabetes may indicate a reaction to insulin therapy. Discontinuation of insulin led to edema resolution, suggesting a link between insulin introduction and fluid retention in diabetic patients.
Area of Science:
- Pediatrics
- Endocrinology
- Metabolic Disorders
Background:
- Poorly-controlled diabetes mellitus presents significant challenges in pediatric care.
- Diabetic ketoacidosis requires prompt management, often involving insulin initiation.
- Fluid balance and potential side effects of metabolic interventions need careful monitoring.
Observation:
- A 10-year-old boy with a year of poorly-controlled diabetes developed weight gain and pitting edema.
- Edema affected the lower legs and scrotum five days after starting insulin therapy for diabetic ketoacidosis.
- Cardiovascular, renal, and hepatic causes for edema were ruled out.
Findings:
- Insulin therapy initiation was temporally associated with the onset of generalized edema.
- Discontinuation of insulin therapy resulted in rapid resolution of edema.
- The patient's edema subsided within 2 to 4 days after stopping insulin.
Implications:
- This case highlights a potential, albeit uncommon, adverse effect of insulin therapy in pediatric diabetes.
- Clinicians should consider insulin-induced edema in the differential diagnosis of new-onset edema in diabetic patients.
- Further investigation into the mechanisms of insulin-related fluid retention in diabetes may be warranted.
Abstract:
A 10-year-old boy had poorly-controlled diabetes for one year. He experienced weight gain and pitting edema in both lower legs and the scrotum 5 days after initiation of insulin therapy for diabetic ketoacidosis. The diagnostic work-up for this patient revealed no evidence of cardiovascular, renal, or hepatic disease. Thiazide was prescribed, but the patient did not take it. Because of family problems, he discontinued insulin therapy and the edema subsided within 2 to 4 days. This case illustrates that the possibility of localized or generalized edema should be considered during the introduction of insulin therapy in poorly-controlled diabetes.