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[Immobilisation hypercalciuria (author's transl)]
Insights
Immobilization in children with femur fractures affects calcium excretion. Older children showed increased calcium excretion with Kirschner wire treatment, while younger children had decreased excretion with traction.
Area of Science:
- Pediatric orthopedics
- Pediatric nephrology
- Bone metabolism
Background:
- Investigating calcium excretion in pediatric patients immobilized due to femur fractures.
- Assessing the impact of different immobilization methods on calcium balance.
Observation:
- Studied 31 children with femur fractures under immobilization.
- Compared calcium excretion between age groups and treatment methods (Kirschner wire vs. overhead traction).
Findings:
- Children over 5 treated with Kirschner wire extension showed significantly increased calcium excretion, which normalized post-mobilization.
- Younger patients treated with overhead traction exhibited decreased calcium excretion.
- Calcium Excretion Quotient (CEQ) using early morning urine and specific gravity was employed to assess hypercalcemia.
Implications:
- The study suggests that specific immobilization techniques influence calcium excretion differently in pediatric femur fractures.
- Findings indicate that routine dietary or drug interventions for hypercalcemia may not be necessary in these cases.
- Highlights the importance of considering age and treatment modality in managing calcium balance during pediatric fracture immobilization.
Abstract:
The calcium excretion was investigated in 31 children who were immobilised because of fracture of the femur. Children over the age of 5 years treated with Kirschner wire extension showed a statistically significant rise of calcium excretion as compared with a control group but this reverted rapidly after mobilisation. Younger patients treated by overhead traction showed a decreased calcium excretion. The Calcium Excretion Quotient (CEQ) based on the calcium excretion in the early morning specimens of urine and the specific gravity were used to determine hypercalcemia. Dietary management or drug treatment is not necessary in this situation.