Bone Mineral Status in Children with Epilepsy: Biochemical and Radiologic Markers

Bothina Hasaneen1, Riad Moustafa Elsayed1, Nanees Salem2

  • 1Department of Pediatric, Pediatric Neurology Unit, Mansoura University, Mansoura, Egypt.

Insights

Children on antiepileptic drugs (AEDs) experience altered bone mineral status, with longer treatment durations and multiple AEDs worsening effects on bone density. Dual-energy X-ray absorptiometry (DXA) is a safe method for assessment.

Area of Science:

  • Pediatric Endocrinology
  • Neurology
  • Radiology

Background:

  • Epilepsy treatment often involves antiepileptic drugs (AEDs).
  • Long-term AED use may impact bone health in children.
  • Assessing bone mineral status is crucial for children with epilepsy.

Purpose of the Study:

  • To evaluate bone mineral status in children with epilepsy on various AED regimens.
  • To compare bone mineral density (BMD) and biochemical markers between epileptic children and controls.
  • To investigate the influence of AED duration and type on bone health.

Main Methods:

  • Observational prospective controlled cohort study.
  • 152 children (ages 3-13 years): 70 with epilepsy, 82 controls.
  • Bone mineral density (BMD) by dual-energy X-ray absorptiometry (DXA); serum calcium, phosphorus, alkaline phosphatase (ALP), and parathyroid hormone (PTH) measured.

Main Results:

  • Children with epilepsy showed significantly lower serum calcium and phosphorus levels compared to controls.
  • Elevated serum ALP and PTH levels were observed in epileptic children.
  • Significantly decreased total body and lumbar BMD and Z-scores in epileptic children.

Conclusions:

  • All AEDs negatively affect bone mineral status in children treated for over 6 months.
  • Longer AED treatment duration (≥2 years) and polytherapy are associated with more severe bone density reduction.
  • DXA is a safe, non-invasive tool for monitoring BMD in children on long-term AED therapy.
Abstract