Aims: To investigate the metabolic consequences of long-term GH treatment in young women with Turner syndrome (TS), several years after GH discontinuation. Methods: Follow-up study of a randomized GH dose-response trial, with 3 GH dosages (1.3, 2.0, and 2.7 mg/m2/day). Thirty-nine TS patients (20.0 ± 2.1 years) participated 4.8 ± 1.9 years after GH discontinuation. Mean GH treatment duration was 8.7 ± 2.0 years. Fasting glucose, insulin, and serum lipids were measured. Results: Several years after GH discontinuation, insulin sensitivity remained lower, while β-cell function and fasting insulin levels remained higher than before treatment. Only BMI influenced β-cell function. Serum total cholesterol (TC), low-density lipoprotein and high-density lipoprotein (HDL) had further increased compared to 6 months after GH, resulting in higher TC, but also higher HDL levels compared to controls. The atherogenic index remained constant, but lower than controls. Conclusions: Besides height, GH therapy in girls with TS has additional beneficial effects on serum lipids. Nearly 5 years after discontinuation of GH therapy the favorable effect of GH was still noticeable. The GH-induced decrease in insulin sensitivity, however, remained unchanged, possibly due to having TS. Copyright

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Keywords Growth hormone therapy, follow-up, Homeostasis model assessment, Lipids, Turner syndrome
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Journal Hormone Research
Bannink, E.M.N, van der Palen, R.L.F, Mulder, P.G.H, & de Muinck Keizer-Schrama, S.M.P.F. (2009). Long-Term follow-up of GH-treated girls with turner syndrome: Metabolic consequences. Hormone Research, 71(6), 343–349. doi:10.1159/000223419