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Revista Paulista de Pediatria

Print version ISSN 0103-0582On-line version ISSN 1984-0462


RAMOS, Clarissa Cerchi A. et al. Evaluation of growth, laboratorial control and corticotherapy in a sample of patients with the classical form of 21-hydroxylase deficiency . Rev. paul. pediatr. [online]. 2007, vol.25, n.4, pp.317-323. ISSN 0103-0582.

OBJECTIVE: To verify the growth pattern of patients with congenital adrenal hyperplasia (CAH) due to classical 21hydroxylase (21-OH) deficiency in relation to hormonal control and use of corticoid during the treatment. METHODS: Retrospective analysis of data from 45 patients. The growth pattern was analyzed according to height gain or not, using the difference between height Z score (for bone age) at the last visit in relation to the height Z score (for chronological age) in the first visit. Concentrations of 17-OH progesterone (17-OHP), androstenedione and rennin were evaluated, and the patients were considered well-controlled when 50% or more of the dosages were normal. Corticoid therapy was analyzed according to type and dose. RESULTS: The age at last visit ranged from 2.8 to 26.6 years (12.6+5.8 years), 31 were females, 30 with salt wasting form; 62% were considered well-controlled for 17-OHP, 75% for androstenedione and 78% for renin. Hidrocortisone was used in 41 patients (20.2+2.6 mg/m2/day) and 40 in association with 9a-fludrocortisone. There were 14 patients with height gain, 20 with maintenance and 11 with loss. Height gain was associated with salt wasting patients (p=0.01) and with patients well-controlled for 17OHP (p=0,0005) and androstenedione (p=0,02). CONCLUSIONS: In this sample of patients with CAH due to classical 21-OH deficiency, better height gain was associated with a good control of 17-OHP and androstenedione and with salt wasting clinical form of the disease.

Keywords : adrenal hyperplasia; congenital; steroid 21-hydroxylase; hydrocortisone; progesterone; growth.

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