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East African Medical Journal

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Bone metabolism in healthy ambulatory control premonopausal women and in epileptics on anti-convulsant drugs

JK Kwasa, A Amayo, PM Ndavi, TOO Kwasa

Abstract


Long-term anti-epileptic drug use significantly affects biochemical parameters of bone metabolism. These effects on bone biochemistry markers were not reflected in lumbar spine BMD in this study.

The mean duration of treatment for epilepsy was eight years (±6.3). Majority of the patients were on enzyme inducing drugs like phenobarbital, phenytoin, carbamazepine and valproate, either alone or in combination with non-enzyme inducers like lamotrigine (98.2%). There was a significantly lower mean serum calcium and a higher alkaline phosphatase level among the patients (P=0.002 and 0.0001 respectively) than among the comparators. The urinary marker of bone loss (mean urine calcium excretion) was also significantly raised among the patients (P=0.003). The mean lumbar BMDT-score results were not significantly different in the two groups. Ambulatory females in reproductive age group with epilepsy and on regular follow up were compared to healthy females of similar ages not on any treatment.

To assess bone metabolism in ambulatory females of reproductive age, on antiepileptic drugs.

Long term anti-epileptic drug use causes multiple abnormalities in calcium and bone metabolism that have been documented in both institutionalised and ambulatory patients.

 




http://dx.doi.org/10.4314/eamj.v87i4.62411
AJOL African Journals Online