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Progressive bone deficit in epilepsy.

Raj D Sheth1, Neil Binkley, Bruce P Hermann

  • 1Department of Neurology, University of Wisconsin-Madison, 600 Highland Ave-H6/574 CSC, Madison, WI 53792-5132, USA. sheth@neurology.wisc.edu

Neurology
|December 7, 2007
PubMed
Summary
This summary is machine-generated.

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Children with epilepsy experience reduced bone mineral density (BMD) starting within 1-5 years of treatment. This bone deficit worsens over time, increasing fracture risk and potentially accelerating osteoporosis.

Area of Science:

  • Pediatrics
  • Neurology
  • Endocrinology

Background:

  • Antiepileptic drug (AED) therapy in children is linked to decreased bone mineral density (BMD) and elevated fracture rates.
  • Understanding the onset and progression of BMD deficits in pediatric epilepsy is crucial for intervention.

Purpose of the Study:

  • To investigate the timing of bone mineral density (BMD) reduction in ambulatory children undergoing chronic antiepileptic medication treatment.
  • To correlate the duration of epilepsy and AED treatment with BMD levels in children.

Main Methods:

  • A cross-sectional study involving 82 ambulatory children with epilepsy (aged 6-18 years) and 32 healthy controls.
  • Participants were grouped by epilepsy duration: <1 year, 1-5 years, and ≥6 years.
  • Total body BMD Z-scores were measured and compared between groups, adjusting for age and sex.

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Main Results:

  • Children with epilepsy exhibited significantly lower total body BMD Z-scores compared to healthy controls.
  • A progressive reduction in BMD was observed with increasing duration of epilepsy.
  • BMD deficits were significant in children with epilepsy for 1-5 years and ≥6 years, but not in those with epilepsy for <1 year.

Conclusions:

  • Children with epilepsy develop significant bone mineral density (BMD) deficits within 1-5 years of antiepileptic treatment.
  • The BMD deficit progressively worsens with longer treatment durations.
  • This bone loss may contribute to increased fracture risk and accelerated osteoporosis in pediatric epilepsy patients.