Early vertebral trabecular bone loss in normal premenopausal women

James R. Buchanan, Cathleen Myers, Tom Lloyd, Robert B. Greer

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

The precise timing for the onset of trabecular bone loss in women is a matter of controversy. To address this issue, we studied the relationship between age and vertebral trabecular bone density (measured by computed tomography) in 74 healthy premenopausal women from 18 to 48 years old. We also measured radial cortical bone density (by single photon absorptiometry) in 28 of these subjects. Trabecular bone density levels (milligrams per milliliter, mean ± standard error of the mean, SEM) were significantly (p < 0.05) higher in the second (178 ± 8) and third (171 ± 6) decades than in the fourth (158 ± 4) or fifth (140 ± 12) decades, and were inversely correlated with age (r = ‐0.39, p = 0.0006), diminishing at a rate of 1.3 mg/ml (0.73%) per year. Radial cortical bone density levels (grams per square centimeter) were similar in the third (0.711 ± 0.021), fourth (0.721 ± 0.012), and fifth (0.736 ± 0.012) decades and were not related to age (r = 0.17, p = 0.39). We conclude that vertebral trabecular bone loss in women commences during or prior to the third decade. In contrast, radial cortical bone density does not decline during the premenopausal years.

Original languageEnglish (US)
Pages (from-to)583-587
Number of pages5
JournalJournal of Bone and Mineral Research
Volume3
Issue number5
DOIs
StatePublished - Oct 1988

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Bone Density
Photon Absorptiometry
Tomography
Cancellous Bone
Cortical Bone

All Science Journal Classification (ASJC) codes

  • Endocrinology, Diabetes and Metabolism
  • Orthopedics and Sports Medicine

Cite this

Buchanan, James R. ; Myers, Cathleen ; Lloyd, Tom ; Greer, Robert B. / Early vertebral trabecular bone loss in normal premenopausal women. In: Journal of Bone and Mineral Research. 1988 ; Vol. 3, No. 5. pp. 583-587.
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Early vertebral trabecular bone loss in normal premenopausal women. / Buchanan, James R.; Myers, Cathleen; Lloyd, Tom; Greer, Robert B.

In: Journal of Bone and Mineral Research, Vol. 3, No. 5, 10.1988, p. 583-587.

Research output: Contribution to journalArticle

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