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Bone histomorphometry in 50 normal Tunisian subjects

A Zhioua1, M Hamdoun, D Chappard

  • 1Laboratoire d'Histologie Embryologie, Faculté de Médecine, Angers, France.

Clinical Rheumatology
|December 1, 1994
PubMed
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Bone density decreases with age, particularly in males after 50 and post-menopausal females. Quantitative bone histomorphometry revealed significant age-related declines in trabecular bone volume (BV/TV) and trabecular thickness (Tb.Th).

Area of Science:

  • Orthopedics
  • Gerontology
  • Anatomy

Background:

  • Bone loss is a significant concern with aging.
  • Understanding age-related changes in bone structure is crucial for public health.
  • Quantitative bone histomorphometry provides detailed insights into bone microarchitecture.

Purpose of the Study:

  • To quantitatively assess age and sex-related changes in human bone histomorphometry.
  • To identify specific bone parameters affected by aging in males and females.

Main Methods:

  • Quantitative bone histomorphometry performed on iliac crest bone autopsy specimens.
  • Analysis of 50 normal subjects (24 males, 26 females).
  • Measurement of cortical thickness, trabecular bone volume, trabecular number, trabecular thickness, osteoid volume, osteoid surfaces, osteoid thickness, and eroded surfaces.

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Main Results:

  • A significant age-related decrease in trabecular bone volume (BV/TV) was observed in both sexes (x3 polynomial regression).
  • Trabecular thickness (Tb.Th) significantly decreased in males after the fifth decade.
  • Bone loss rates were 1.5% per decade in males, 0.36% before menopause in females, and 2% after menopause in females.

Conclusions:

  • Bone loss is a significant age-related phenomenon, with distinct patterns in males and post-menopausal females.
  • Trabecular bone volume and thickness are key indicators of age-related bone changes.
  • Further research into interventions to mitigate age-related bone loss is warranted.