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Biol Res Nurs. 2015 Mar;17(2):169-74. doi: 10.1177/1099800414532710. Epub 2014 May 7.

Low testosterone levels are associated with poor peripheral bone mineral density and quantitative bone ultrasound at phalanges and calcaneus in healthy elderly men.

Author information

1
Metabolic Bone Diseases Research Group, School of Nursing, University of Extremadura, Avd., Caceres, Spain.
2
Metabolic Bone Diseases Research Group, School of Nursing, University of Extremadura, Avd., Caceres, Spain jpedrera@unex.es.

Abstract

Variations in sex hormones influence bone health in men. Aging in men is associated with a decrease in testosterone (T) levels. We examined the relationship between T levels and changes in bone health status as measured by quantitative ultrasound (QUS) at the phalanges and the os calcis and by peripheral bone mineral density (pBMD) at the phalanges in healthy elderly Spanish men. We examined 162 men aged 65-88 years and assessed total serum T concentrations. Total serum T < 300 ng/dL was used as the threshold for biochemical T deficiency. The sample was divided into low (n = 66) or normal (n = 96) T levels; both groups were matched for age, weight, height, and body mass index (p > .05 for all the comparisons). All measured bone parameters were higher in the normal serum T group (p < .05). Multiple regression analysis revealed that serum T was an independent predictor of both QUS at the calcaneus and phalangeal pBMD. Our data indicate that T is an independent determinant of QUS at the os calcis and pBMD at the phalanges in elderly Spanish men.

KEYWORDS:

bone ultrasound; men; peripheral dual-energy x-ray absorptiometry; testosterone

PMID:
25681270
DOI:
10.1177/1099800414532710
[Indexed for MEDLINE]

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