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Published on: January 29, 2018
Clinical review: Ethnic differences in bone mass--clinical implications
1Department of Medicine, University of Manitoba, Winnipeg, Canada R2H 2A6. bleslie@sbgh.mb.ca
The Journal of Clinical Endocrinology and Metabolism
|October 12, 2012
Summary
Ethnic variations in bone mineral density (BMD) exist, influenced by genetics and lifestyle. These differences partially explain fracture rates, with risk gradients remaining similar across groups.
Area of Science:
- Bone biology and health
- Anthropology and human variation
- Clinical diagnostics
Background:
- Bone mineral density (BMD) varies significantly across different geographic and ethnic populations.
- These variations have critical implications for clinical practice and fracture risk assessment.
Purpose of the Study:
- To investigate the complex relationship between ethnicity, bone mineral density (BMD), and fracture risk.
- To explore the contributing factors to ethnic variations in bone health.
Main Methods:
- Comprehensive literature review using PubMed to identify relevant studies.
- Synthesis and integration of data from selected studies on BMD and ethnic differences.
Main Results:
- Ethnic variations in BMD only partially explain fracture rate differences.
- Genetics, body size, lifestyle, and social determinants contribute to ethnic BMD variations.
- BMD variation is greater within ethnic groups than between them.
- New imaging reveals ethnic differences in bone geometry, microarchitecture, and strength.
Conclusions:
- Ethnicity-associated factors directly and indirectly influence BMD and fracture risk.
- Understanding these factors is crucial for accurate clinical risk assessment across diverse populations.
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