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  • Title: The relation of peripubertal and pubertal growth to final adult height in children with classic congenital adrenal hyperplasia.
    Author: Bomberg EM, Addo OY, Kyllo J, Gonzalez-Bolanos MT, Ltief AM, Pittock S, Himes JH, Miller BS, Sarafoglou K.
    Journal: J Pediatr; 2015 Mar; 166(3):743-50. PubMed ID: 25557963.
    Abstract:
    OBJECTIVES: To determine the relationships between peripubertal and pubertal timing and growth, along with glucocorticoid exposure, to the reduced final adult height seen in patients with congenital adrenal hyperplasia (CAH). STUDY DESIGN: Chart review of 104 children with classic CAH (41 males: 28 salt-wasting, 13 simple-virilizing; 63 females: 38 salt-wasting, 25 simple-virilizing) were selected from a cohort from 3 medical institutions in Minnesota. Triple logistic modeling of longitudinal data was performed to determine patterns of peripubertal and pubertal growth. RESULTS: Hydrocortisone dose was similar between subtypes and during all growth periods. Simple-virilizing boys (P < .01) and girls (P < .01) were diagnosed later than their salt-wasting counterparts. Height at take-off SDS was reduced for patients with salt-wasting (boys: P < .01; girls: P < .01), and bone age at take-off SDS was more advanced for patients with simple-virilizing (boys: P < .01; girls: P = .05). Bone age at pubertal onset SDS was advanced for all patients, but more so for boys and girls with simple-virilizing. Although all patients had reduced final adult height SDS, this was more pronounced in patients with salt-wasting. CONCLUSION: Reduced final adult height SDS in patients with salt-wasting vs simple-virilizing may be attributable in part to a later age of diagnosis and resultant less prolonged exposure to hydrocortisone. This finding suggests that duration of hydrocortisone treatment in the peripubertal period, independent of the hydrocortisone dose, may affect final adult height in patients with CAH.
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