Hormone research in paediatrics · 2021
Bone Mass in Young Patients with Congenital Adrenal Hyperplasia due to 21-Hydroxylase Deficiency.
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Espinosa Reyes Tania M, Leyva González Gisselle, Domínguez Alonso Emma, Falhammar Henrik
Аннотация
BACKGROUND: The effects of hyperandrogenism and steroid treatment on bone mineral density (BMD) in patients with congenital adrenal hyperplasia (CAH) are controversial.
OBJECTIVES: The objectives of this study were to characterize BMD and fractures in patients with CAH and to identify whether there is an association between alterations in BMD, nutritional status, and variables related to the disease.
METHODS: A cross-sectional descriptive study was conducted to explore clinical, hormonal, dairy consumption, physical activity, and BMD variables in patients with CAH due to 21-hydroxylase deficiency and controls matched by age, gender, skin color, body mass index, and Tanner scale.
RESULTS: Fifty subjects (CAH n = 25; females n = 42 [84%]) with a mean age of 15.9 ± 5.8 years were included in the study. White skin color predominated in 34 subjects (68%), mestizo in 11 (22%), and black in 5 (10%). In patients with CAH, BMD lumbar spine was decreased compared to that in controls (0.83 ± 0.23 vs. 0.98 ± 0.26 g/cm3, p = 0.004). BMD femur was also decreased in patients with CAH; however, this was not significant (0.95 ± 0.20 vs. 1.04 ± 0.24 g/cm3, p = 0.17). There was a positive relationship between age at diagnosis, age of initiation of glucocorticoid treatment, and testosterone levels with all measurements of BMD. The daily glucocorticoid dose was negatively related to BMD. No fractures were found.
CONCLUSIONS: Patients with CAH had decreased BMD, especially in lumbar spine. Increased androgen exposure seemed to improve, while increased glucocorticoid dose impaired BMD.
OBJECTIVES: The objectives of this study were to characterize BMD and fractures in patients with CAH and to identify whether there is an association between alterations in BMD, nutritional status, and variables related to the disease.
METHODS: A cross-sectional descriptive study was conducted to explore clinical, hormonal, dairy consumption, physical activity, and BMD variables in patients with CAH due to 21-hydroxylase deficiency and controls matched by age, gender, skin color, body mass index, and Tanner scale.
RESULTS: Fifty subjects (CAH n = 25; females n = 42 [84%]) with a mean age of 15.9 ± 5.8 years were included in the study. White skin color predominated in 34 subjects (68%), mestizo in 11 (22%), and black in 5 (10%). In patients with CAH, BMD lumbar spine was decreased compared to that in controls (0.83 ± 0.23 vs. 0.98 ± 0.26 g/cm3, p = 0.004). BMD femur was also decreased in patients with CAH; however, this was not significant (0.95 ± 0.20 vs. 1.04 ± 0.24 g/cm3, p = 0.17). There was a positive relationship between age at diagnosis, age of initiation of glucocorticoid treatment, and testosterone levels with all measurements of BMD. The daily glucocorticoid dose was negatively related to BMD. No fractures were found.
CONCLUSIONS: Patients with CAH had decreased BMD, especially in lumbar spine. Increased androgen exposure seemed to improve, while increased glucocorticoid dose impaired BMD.