Source:http://linkedlifedata.com/resource/pubmed/id/11199190
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|---|---|
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| pubmed:issue |
10
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| pubmed:dateCreated |
2001-1-29
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| pubmed:abstractText |
Osteoporosis is a major public health problem in Japan. The second decade is an important period in which to attain a high peak bone mass. However, normal values of forearm bone mineral density (BMD) are not well known in children and adolescents. BMD at one-third of forearm length proximal to the ulnar end plate (BMD1/3) and the ultradistal forearm (BMDud) was measured using dual-energy X-ray absorptiometry (DXA) in 1207 (631 males, 576 females) Japanese subjects aged 9-18 years. Puberty onset was assessed by questionnaire, by obtaining the time that pubic hair appeared in males and the time that menstruation started in females. BMD1/3 and BMDud increased steadily with age in males. In relation to puberty development, these parameters also increased after puberty onset although the increase in BMD1/3 was not statistically significant after the fifth year from puberty onset and that of BMDud was not significant after the sixth year from puberty onset. BMD1/3 and BMDud increased with age and then plateaued in females. The increase in BMD1/3 was not statistically significant after 15-16 years of age and that of BMDud was not significant after 13-14 years of age. In relation to puberty development, the increase in BMD1/3 leveled out after the fourth year from puberty onset and that of BMDud also plateaued after the third year from puberty onset. We provide reference values of forearm BMD in Japanese children and adolescents by DXA according to calendar age and puberty development. Peak bone mass of the forearm may be in the late second decade in Japanese females.
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| pubmed:language |
eng
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| pubmed:journal | |
| pubmed:citationSubset |
IM
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| pubmed:status |
MEDLINE
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| pubmed:issn |
0937-941X
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| pubmed:author | |
| pubmed:issnType |
Print
|
| pubmed:volume |
11
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| pubmed:owner |
NLM
|
| pubmed:authorsComplete |
Y
|
| pubmed:pagination |
858-65
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| pubmed:dateRevised |
2007-11-15
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| pubmed:meshHeading |
pubmed-meshheading:11199190-Absorptiometry, Photon,
pubmed-meshheading:11199190-Adolescent,
pubmed-meshheading:11199190-Aging,
pubmed-meshheading:11199190-Anthropometry,
pubmed-meshheading:11199190-Bone Density,
pubmed-meshheading:11199190-Child,
pubmed-meshheading:11199190-Cross-Sectional Studies,
pubmed-meshheading:11199190-Female,
pubmed-meshheading:11199190-Forearm,
pubmed-meshheading:11199190-Humans,
pubmed-meshheading:11199190-Japan,
pubmed-meshheading:11199190-Male,
pubmed-meshheading:11199190-Puberty,
pubmed-meshheading:11199190-Reference Values,
pubmed-meshheading:11199190-Sex Characteristics
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| pubmed:year |
2000
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| pubmed:articleTitle |
Reference data of forearm bone mineral density in healthy Japanese male and female subjects in the second decade based on calendar age and puberty onset: Japanese Population Based Osteoporosis (JPOS) study.
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| pubmed:affiliation |
Medical Affairs Division, Health and Welfare Department, Toyama Prefectural Government, 1-7 Shinsogawa, Toyama, 930-8501, Japan.
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| pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
|