Abstract.
The speed of sound in the tibia (tibial SOS) was measured in elderly women to determine whether the tibial SOS declined with age, similarly to bone mineral density (BMD), as determined by dual-energy X-ray absorptiometry (DXA), and whether the tibial SOS in elderly hip fracture patients was lower than that in a control group. The subjects in this study included 38 female patients with hip fracture aged 65 years or more and 38 age-matched women living in a nursing home as the control group. There was a significant decline in the tibial SOS with age in women in the control group, but not in those with hip fracture. In all subjects aged under 80 years, the tibial SOS in women with hip fracture was significantly lower than that in women in the control group. In all subjects who were 80 years or older, the tibial SOS was not significantly different between women with hip fracture and the control group; thus, the tibial SOS in both groups was low, and they were considered to have progressive osteoporosis. The tibial ultrasound velocity can be expected to be useful as an indicator of the risk of limb fracture in the elderly.
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Received: February 25, 2002 / Accepted: June 4, 2002
Acknowledgments. We thank Omron Institute of Life Science Co., Ltd. for their support.
Offprint requests to: S. Muraki
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Muraki, S., Yamamoto, S. & Kanai, H. Ultrasound velocity in the tibia in Japanese patients with hip fracture. J Orthop Sci 7, 623–628 (2002). https://doi.org/10.1007/s007760200112
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DOI: https://doi.org/10.1007/s007760200112