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      Final height in congenital adrenal hyperplasia: the dilemma of hypercortisolism versus hyperandrogenism Translated title: Altura final na hiperplasia suprarrenal congênita: o dilema do hipercortisolismo versus hiperandrogenismo

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          Abstract

          OBJECTIVE: The purpose of this study was to identify factors that might interfere with reaching the final height in patients with 21-hydroxylase deficiency (21-OHD). SUBJECTS AND METHODS: Thirty-one patients with classical 21-OHD who reached their FH in our Institution were eva­luated in order to compare the Z score for final height (FHZ) with: (1) the target height, (2) the standard height for the population, and (3) the hydrocortisone treatment schedule. RESULTS: The FHZ of -2.13 ± 1.11 had a significant negative correlation with the hydrocortisone doses used throughout the period of study. Patients who reached FH within the normal population range were those who received lower doses of hydrocortisone, as compared to those whose FH remained below -2 SDS. CONCLUSION: We conclude that careful treatment adjustments have a major influence on growth of children with CAH, and that the dose range for hydrocortisone replacement that does not lead to side effects is relatively narrow. The better height outcome was achieved in 21-OHD patients who received lower doses of hydrocortisone.

          Translated abstract

          OBJETIVO: O objetivo do estudo foi a identificação de fatores que podem interferir na aquisição de altura final de pacientes com a deficiência de 21-hidroxilase (21OHD). SUJEITOS E MÉTODOS: A altura final (escore Z: FHZ) de 31 pacientes com a forma clássica da 21OHD, acompanhados em nossa instituição, foi comparada com: (1) a altura alvo, (2) o padrão de referência para a população, e (3) a dose de hidrocortisona durante o acompanhamento. RESULTADOS: Observou-se correlação negativa significativa entre o FHZ de -2,13 ± 1,11 e as doses de hidrocortisona utilizadas durante o período de estudo. Os pacientes que atingiram altura final dentro do padrão de referência para a população usaram doses mais baixas de hidrocortisona quando comparados àqueles que permaneceram abaixo de -2 DP. CONCLUSÃO: O cuidado nos ajustes das doses durante o tratamento da 21OHD tem grande influência sobre o crescimento das crianças. A faixa de variação da dose de reposição da hidrocortisona que não causa efeitos colaterais é relativamente estreita. O melhor resultado estatural foi observado nos pacientes com 21OHD tratados com doses mais baixas de hidrocortisona.

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          Congenital adrenal hyperplasia owing to 21-hydroxylase deficiency.

          Congenital adrenal hyperplasia (CAH) owing to 21-hydroxylase deficiency is the most common cause of genital ambiguity in the newborn and is present in about 1 in 15,000 live births worldwide. The disease is further characterized in its classic salt-wasting form (approximately 75% of cases) by potentially lethal adrenal insufficiency. A non-salt-wasting form of classic CAH with 21-hydroxylase deficiency is also recognized by genital ambiguity in affected females and by signs of androgen excess in later childhood in males. Nonclassic CAH with 21-hydroxylase deficiency may be detected in 1% to 3% of populations and is often mistaken for idiopathic precocious pubarche in children or polycystic ovary syndrome in young women. This article presents an overview of clinical and genetic aspects of the various forms of CAH with 21-hydroxylase deficiency.
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            New ideas for medical treatment of congenital adrenal hyperplasia.

            During the past 50 years since the discovery of cortisone therapy as an effective treatment for CAH, many advances have been made in the management of 21-hydroxylase deficiency. Despite these advances, the clinical management of patients with CAH is often complicated by abnormal growth and development, iatrogenic Cushing's syndrome, inadequately treated hyperandrogenism, and infertility. New treatment approaches to classic CAH represent potential solutions to these unresolved issues. At the National Institutes of Health, a long-term randomized clinical trial is investigating a new treatment regimen: a reduced hydrocortisone dose, an antiandrogen, and an aromatase inhibitor. Peripheral blockade of androgens may also be helpful in the adult woman with CAH and PCOS. Other promising new treatment approaches include LHRH agonist-induced pubertal delay with or without growth hormone therapy, alternative glucocorticoid preparations or dose schedules, CRH antagonist treatment, and gene therapy. The applicability and success of these new approaches await the results of current research.
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              Growth and Reproductive Outcomes in Congenital Adrenal Hyperplasia

              The treatment of congenital adrenal hyperplasia (CAH) due to 21-hydroxylase deficiency is complex. In addition to disease control, important therapeutic goals are the maintenance of normal growth and the acquisition of normal reproductive function. Here, data regarding final adult height (FH) in patients with CAH will be reviewed. Additional difficulties associated with CAH, including risks of obesity and hypertension, will be discussed. Information about fertility and reproductive outcomes in men and women with CAH will also be summarized. Although the treatment of each child with CAH needs to be individualized, close medical followup and laboratory monitoring along with good compliance can often result in positive clinical outcomes.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                abem
                Arquivos Brasileiros de Endocrinologia & Metabologia
                Arq Bras Endocrinol Metab
                Sociedade Brasileira de Endocrinologia e Metabologia (São Paulo )
                1677-9487
                March 2013
                : 57
                : 2
                : 126-131
                Affiliations
                [1 ] Universidade Federal de Minas Gerais Brazil
                [2 ] Universidade Federal de São Paulo Brazil
                Article
                S0004-27302013000200005
                10.1590/S0004-27302013000200005
                1c4a69b7-fe7c-49f2-83ca-63a579ee0d86

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0004-2730&lng=en
                Categories
                ENDOCRINOLOGY & METABOLISM

                Endocrinology & Diabetes
                Congenital adrenal hyperplasia,steroid 21-hydroxylase,corticosteroids,hydrocortisone,body height,Hiperplasia suprarrenal congênita,esteroide 21-hidroxilase,corticosteroides,hidrocortisona,estatura

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