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Bone Mineral Density of the Lumbar Spine in White Mediterranean Spanish Children and Adolescents: Changes Related to Age, Sex, and Puberty

Bone Mineral Density of the Lumbar Spine in White Mediterranean Spanish Children and Adolescents:... ABSTRACT: Bone mineral content was measured by dual-energy x-ray absorptiometry in the lumbar spine at the L2-L4 level with a Lunar DPX densitometer model in 471 healthy white Mediterranean Spanish children and adolescents (256 boys and 215 girls) randomly selected from the urban area of Barcelona. Ages ranged from 3 mo to 21 y. Weight, height, and pubertal development were in the normal age distribution. Bone mineral content values were corrected by the vertebral surface area scanned and expressed as bone mineral density (BMD) values. BMD increased progressively from infancy to adulthood, and values were similar in both sexes, with the only differences related to the earlier onset of puberty in girls. A statistically significant correlation (p < 0.001) was found between BMD values and age, height, and weight. BMD values increased annually, but the periods of higher increase were observed during the first 3 y of life and late puberty. A significant (p < 0.001) increase in BMD was observed between Tanner pubertal stages III and IV and between Tanner stage IV and adult values. Lumbar BMD values peaked in a similar way to growth height velocity during pubertal development. However, the BMD peak seemed to occur somewhat later than height velocity peak, particularly in girls. In conclusion, we report normative data for BMD values at the lumbar level in our normally growing pediatrie population and show that the first 3 y of life and adolescence are critical periods for bone mineralization. These data provide a tool for the investigation and follow-up of pediatrie populations at risk for low bone mineralization. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Pediatric Research Springer Journals

Bone Mineral Density of the Lumbar Spine in White Mediterranean Spanish Children and Adolescents: Changes Related to Age, Sex, and Puberty

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References (33)

Publisher
Springer Journals
Copyright
Copyright © 1994 by International Pediatrics Research Foundation, Inc.
Subject
Medicine & Public Health; Medicine/Public Health, general; Pediatrics; Pediatric Surgery
ISSN
0031-3998
eISSN
1530-0447
DOI
10.1203/00006450-199403000-00018
Publisher site
See Article on Publisher Site

Abstract

ABSTRACT: Bone mineral content was measured by dual-energy x-ray absorptiometry in the lumbar spine at the L2-L4 level with a Lunar DPX densitometer model in 471 healthy white Mediterranean Spanish children and adolescents (256 boys and 215 girls) randomly selected from the urban area of Barcelona. Ages ranged from 3 mo to 21 y. Weight, height, and pubertal development were in the normal age distribution. Bone mineral content values were corrected by the vertebral surface area scanned and expressed as bone mineral density (BMD) values. BMD increased progressively from infancy to adulthood, and values were similar in both sexes, with the only differences related to the earlier onset of puberty in girls. A statistically significant correlation (p < 0.001) was found between BMD values and age, height, and weight. BMD values increased annually, but the periods of higher increase were observed during the first 3 y of life and late puberty. A significant (p < 0.001) increase in BMD was observed between Tanner pubertal stages III and IV and between Tanner stage IV and adult values. Lumbar BMD values peaked in a similar way to growth height velocity during pubertal development. However, the BMD peak seemed to occur somewhat later than height velocity peak, particularly in girls. In conclusion, we report normative data for BMD values at the lumbar level in our normally growing pediatrie population and show that the first 3 y of life and adolescence are critical periods for bone mineralization. These data provide a tool for the investigation and follow-up of pediatrie populations at risk for low bone mineralization.

Journal

Pediatric Research – Springer Journals

Published: Mar 1, 1994

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