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Front Endocrinol (Lausanne) ; 14: 1270845, 2023.
Article in English | MEDLINE | ID: mdl-37881494

ABSTRACT

Objective: Isolated childhood growth hormone deficiency (GHD) can persist into adulthood, and re-testing at the transition period is needed to determine whether continued growth hormone therapy is indicated. Here, our objective was to identify predictors of permanent GHD. Design: Retrospective single-centre study of patients with childhood-onset GHD who were re-tested after adult height attainment. Methods: Auxological, clinical, laboratory, and MRI data throughout follow-up were collected. Results: We included 101 patients. At GH treatment initiation, age was 8.1 ± 0.4 years, height -2.25 ± 0.8, and BMI -0.27 ± 0.1 SDS. The 29 (28.7%) patients with persistent GHD had lower height SDS (-2.57 ± 0.1 vs. -2.11 ± 0.1, p<0.001) and mean GH peaks (8.4 ± 1.0 vs.13.2 ± 0.5 mIU/L, p<0.001) at GHD diagnosis; at adult height, they had lower IGF1 (232 ± 19.9 vs. 331 ± 9.1 ng/mL, p<0.001) and higher BMI SDS (-0.15 ± 0.27 vs. -0.73 ± 0.13, p<0.005). By multivariate analysis, the best predictive model included height and BMI SDS, both GH peaks, and MRI findings at diagnosis. Patients with height at diagnosis <-3 SDS had a 7.7 (95% IC 1.4-43.1, p=0.02) fold higher risk of persistent GHD after adjustment on BMI SDS. An abnormal pituitary region by MRI was the strongest single predictor (7.2 times, 95% CI 2.7-19.8) and after multivariate analysis adjustment for GH peaks and height SDS at diagnosis, the risk increased to 10.6 (1.8 - 61.3) times. Conclusions: Height <-3 SDS at GHD diagnosis and pituitary MRI abnormalities should lead to a high index of suspicion for persistent GHD.


Subject(s)
Dwarfism, Pituitary , Human Growth Hormone , Hypopituitarism , Adult , Child , Humans , Dwarfism, Pituitary/diagnosis , Dwarfism, Pituitary/drug therapy , Human Growth Hormone/deficiency , Hypopituitarism/diagnosis , Hypopituitarism/drug therapy , Retrospective Studies
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