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Osteoporosis International

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01-04-2012 | Original Article

Multi-site bone ultrasound measurements in elderly women with and without previous hip fractures

Authors: J. P. Karjalainen, O. Riekkinen, J. Töyräs, M. Hakulinen, H. Kröger, T. Rikkonen, K. Salovaara, J. S. Jurvelin

Published in: Osteoporosis International | Issue 4/2012

Abstract

Summary

About 75% of patients suffering from osteoporosis are not diagnosed. This study describes a multi-site bone ultrasound method for osteoporosis diagnostics. In comparison with axial dual energy X-ray absorptiometry (DXA), the ultrasound method showed good diagnostic performance and could discriminate fracture subjects among elderly females.

Introduction

Axial DXA, the gold standard diagnostic method for osteoporosis, predicts fractures only moderately. At present, no reliable diagnostic methods are available at the primary health care level. Here, a multi-site ultrasound method is proposed for osteoporosis diagnostics.

Methods

Thirty elderly women were examined using the ultrasound backscatter measurements in proximal femur, proximal radius, proximal and distal tibia in vivo. First, we predicted the areal bone mineral density (BMD) at femoral neck by ultrasound measurements in tibia combined with specific subject characteristics (density index, DI) and, second, we tested the ability of ultrasound backscatter measurements at proximal femur to discriminate between individuals with previously fractured hips from those without fractures. Areal BMD was determined by axial DXA.

Results

Combined ultrasound parameters, cortical thickness at distal and proximal tibia, with age and weight of the subject, provided a significant estimate of BMD_neck (r = 0.86, p < 0.001, n = 30). When inserted into FRAX (World Health Organization fracture risk assessment tool), the DI indicated the same treatment proposal as the BMD_neck with 86% sensitivity and 100% specificity. The receiver operating characteristic analyses, with a combination of ultrasound parameters and patient characteristics, discriminated fracture subjects from the controls similarly as the model combining BMD_neck and patient characteristics.

Conclusions

For the first time, ultrasound backscatter measurements of proximal femur were conducted in vivo. The results indicate that ultrasound parameters, combined with patient characteristics, may provide a means for osteoporosis diagnostics.

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Title: Multi-site bone ultrasound measurements in elderly women with and without previous hip fractures
Authors: J. P. Karjalainen
O. Riekkinen
J. Töyräs
M. Hakulinen
H. Kröger
T. Rikkonen
K. Salovaara
J. S. Jurvelin
Publication date: 01-04-2012
Publisher: Springer-Verlag
Published in: Osteoporosis International / Issue 4/2012
Print ISSN: 0937-941X
Electronic ISSN: 1433-2965
DOI: https://doi.org/10.1007/s00198-011-1682-2

ACC 2024 Congress

Springer Medicine

Multi-site bone ultrasound measurements in elderly women with and without previous hip fractures

Abstract

Summary

Introduction

Methods

Results

Conclusions

ACC 2024 Congress

Springer Medicine

Abstract

Summary

Introduction

Methods

Results

Conclusions

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