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  • Title: Long-term effects of growth hormone therapy on bone mineral density, body composition, and serum lipid levels in growth hormone deficient children: a 6-year follow-up study.
    Author: van der Sluis IM, Boot AM, Hop WC, De Rijke YB, Krenning EP, de Muinck Keizer-Schrama SM.
    Journal: Horm Res; 2002; 58(5):207-14. PubMed ID: 12401939.
    Abstract:
    AIM: To study the effects of growth hormone (GH) deficiency (GHD) and GH replacement therapy (GHRx) on bone mineral density (BMD) and body composition. METHODS: 59 GHD children participated (age range 0.4-16.9 years); the follow-up period was 6 years. Lumbar spine BMD (BMD(LS)), total-body BMD (BMD(TB)), and body composition were measured prospectively using dual-energy X-ray absorptiometry. RESULTS: Mean BMD(LS )and BMD(TB) were significantly reduced at the time of the diagnosis. The bone mineral apparent density of the lumbar spine (BMAD(LS)) was reduced to a lesser degree. The BMAD(LS) increased to normal values after 1 year; BMD(LS) and BMD(TB) normalized 1 year later. At the time of the diagnosis, the lean body mass was reduced and steadily increased during GHRx. Percentage of body fat was increased at baseline and normalized within 6 months. The severity of GHD was not associated with the BMD at diagnosis or the response to GHRx. CONCLUSION: Areal BMD(LS) and BMD(TB) and, to a lesser extent, BMAD(LS) are decreased in GHD children, but normalize within 1-2 years.
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