Avaliação do consumo alimentar e da densidade mineral óssea de crianças com dermatite atópica / Food consumption and bone mineral density evaluation of children with atopic dermatitis

AUTOR(ES)
FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

01/09/2011

RESUMO

Atopic dermatitis is an inflammatory allergic skin disease that often requires glicocorticosteroids therapy. The aim of this study was to determine the atopic dermatitis impact on food ingestion, nutritional status and bone mass in children with moderate to severe AD compared with a control group. Food ingestion was evaluated with 3 days 24-hour food recordathory. Nutritional status was determined with height to age z-score, weight for age z-score and BMI z-score. Bone markers measured in serum were 25OH vitamin D, bone phosphatase alkaline, CTX, serum calcium, phosphorus, osteocalcin, PTH and cortisol. Information on lifestyle parameters, bone fractures, sun exposure and physical activity were collected by use of a standardized questionnaire. Lumbar spine, total femur and whole body, bone mineral content (BMC), bone mineral density (BMD) and z-score was measured by dual-energy X-ray absorptiometry in 60 children (age 4-12years) with moderate to severe AD and 54 health controls, with the same age. In children, low BMD was defined as a Z-score less than -2. The AD children used topic glicocorticosteroids for a mean of 3,9 ±1,81 years. The sun exposure was lower in the AD group. Food ingestion showed high protein ingestion levels in both groups, and the fat consumption was lower in the AD children. The calcium and vitamin ingestion were bellow the recommendations in the two groups. Children with AD had more riniths, asthma and food allergy then control group. The CTX was lower in the AD group. The children with AD were significantly smaller according to the height for age zscore. There was significant smaller BMC on lumbar spine, and in the BMC, BMD and z-score in the total femur on the AD children. Low BMD occured more frequently in this population of children with moderate to severe AD compared with the control group. Use of topical glicocorticosteroids in the previous could be 5 years associated with the decrease in BMD.

ASSUNTO(S)

atopic dermatitis bone mineral density children criança densidade óssea dermatite atópica dieta glicocorticóide tópico marcadores ósseos topical glicocorticosteroids

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