2000
DOI: 10.1088/0031-9155/45/7/317
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The use of tonebursts as an alternative to broadband signals in the measurement of speed of sound in human cancellous bone

Abstract: Speed of sound (SOS) measurements, typically made using 1 MHz broadband pulses, are increasingly used in the clinical diagnosis of bone disorders. Previous in vitro studies indicate that broadband ultrasound pulses are susceptible to distortion in cancellous bone, leading to imprecise arrival time and SOS measurements. We investigated the effect of bandwidth and frequency on SOS by comparing measurements made using 1 MHz broadband with 1 MHz and 300 kHz narrowband toneburst signals in 15 human proximal femur c… Show more

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“…The measurement of bone mineral density (BMD) by techniques such as dual energy x-ray absorptiometry (DXA) and quantitative computed tomography (QCT) is not informative on the micro-architecture of bone. To obtain structural information about cancellous bone, several investigators have examined the use of various methods, including fractal analysis of the trabecular bone pattern (Langton et al 1998, 2001) and quantitative ultrasound (QUS) (Langton et al 1984, Rossman et al 1989, Zagzebski et al 1991, Strelitzki et al 1996, Pollintine et al 2000.…”
Section: Introductionmentioning
confidence: 99%
“…The measurement of bone mineral density (BMD) by techniques such as dual energy x-ray absorptiometry (DXA) and quantitative computed tomography (QCT) is not informative on the micro-architecture of bone. To obtain structural information about cancellous bone, several investigators have examined the use of various methods, including fractal analysis of the trabecular bone pattern (Langton et al 1998, 2001) and quantitative ultrasound (QUS) (Langton et al 1984, Rossman et al 1989, Zagzebski et al 1991, Strelitzki et al 1996, Pollintine et al 2000.…”
Section: Introductionmentioning
confidence: 99%