Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound

Yi Hsun Lin, Mei Yu Hsieh, Jiue Jia Wu, Chia Che Ho, Shyh Hau Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Carpal tunnel syndrome (CTS), resulted from the compression of the median nerve traveling through the carpal tunnel of the hand, is commonly leading to intermittent numbness and pain of the finger. The diagnosis of CTS is usually performed by physical or nerve electricity examinations, and which still has significant false negative rate. To improve on the diagnostic technique, an attempt was carried out to image a local anatomical structure of the wrist using high-frequency ultrasound and to detect the kinetic trajectory of the median nerve following fingers motions. A 32 MHz ultrasound imaging system was employed on each right wrist of 14 healthy volunteer. Ultrasonic radio-frequency signals and images were collected corresponding to fingers movements from extension (0°) to flexion (90°) with an increment of 5°. The kinetic trajectory of the median nerve was detected by correlation coefficient-based motion tracking technique. To better improve the analysis efficiency of motion tracking, the tracking calculation was amenable to rapid execution on the current generation of graphics processor units. High-frequency ultrasound images could provide adequate resolution to readily discern the median nerve in the wrist. The median nerve moves toward to palmar and ulnar direction as the finger flex. The averaged resultant displacements for male and female were 3.74 and 2.04, respective, as the flexuous angle was 90°. The resultant displacements of median nerve for males were significant larger than those for females as the flexuous angles were larger than 35°. The tendency of resultant displacement of the median nerve is exponential rise in the ulna-palmar direction corresponding to the movement of fingers form 0°to 90°. This study has verified that the kinetic trajectory of median nerve may be useful as baseline data for future studies of the motion analysis on the CTS.

Original languageEnglish
Title of host publication2012 IEEE International Ultrasonics Symposium, IUS 2012
Pages695-698
Number of pages4
DOIs
Publication statusPublished - 2012 Dec 1
Event2012 IEEE International Ultrasonics Symposium, IUS 2012 - Dresden, Germany
Duration: 2012 Oct 72012 Oct 10

Publication series

NameIEEE International Ultrasonics Symposium, IUS
ISSN (Print)1948-5719
ISSN (Electronic)1948-5727

Other

Other2012 IEEE International Ultrasonics Symposium, IUS 2012
CountryGermany
CityDresden
Period12-10-0712-10-10

Fingerprint

wrist
nerves
trajectories
kinetics
tunnels
ulna
pain
electricity
correlation coefficients
central processing units
radio frequencies
tendencies
ultrasonics
examination

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics

Cite this

Lin, Y. H., Hsieh, M. Y., Wu, J. J., Ho, C. C., & Wang, S. H. (2012). Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound. In 2012 IEEE International Ultrasonics Symposium, IUS 2012 (pp. 695-698). [6562547] (IEEE International Ultrasonics Symposium, IUS). https://doi.org/10.1109/ULTSYM.2012.0173
Lin, Yi Hsun ; Hsieh, Mei Yu ; Wu, Jiue Jia ; Ho, Chia Che ; Wang, Shyh Hau. / Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound. 2012 IEEE International Ultrasonics Symposium, IUS 2012. 2012. pp. 695-698 (IEEE International Ultrasonics Symposium, IUS).
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abstract = "Carpal tunnel syndrome (CTS), resulted from the compression of the median nerve traveling through the carpal tunnel of the hand, is commonly leading to intermittent numbness and pain of the finger. The diagnosis of CTS is usually performed by physical or nerve electricity examinations, and which still has significant false negative rate. To improve on the diagnostic technique, an attempt was carried out to image a local anatomical structure of the wrist using high-frequency ultrasound and to detect the kinetic trajectory of the median nerve following fingers motions. A 32 MHz ultrasound imaging system was employed on each right wrist of 14 healthy volunteer. Ultrasonic radio-frequency signals and images were collected corresponding to fingers movements from extension (0°) to flexion (90°) with an increment of 5°. The kinetic trajectory of the median nerve was detected by correlation coefficient-based motion tracking technique. To better improve the analysis efficiency of motion tracking, the tracking calculation was amenable to rapid execution on the current generation of graphics processor units. High-frequency ultrasound images could provide adequate resolution to readily discern the median nerve in the wrist. The median nerve moves toward to palmar and ulnar direction as the finger flex. The averaged resultant displacements for male and female were 3.74 and 2.04, respective, as the flexuous angle was 90°. The resultant displacements of median nerve for males were significant larger than those for females as the flexuous angles were larger than 35°. The tendency of resultant displacement of the median nerve is exponential rise in the ulna-palmar direction corresponding to the movement of fingers form 0°to 90°. This study has verified that the kinetic trajectory of median nerve may be useful as baseline data for future studies of the motion analysis on the CTS.",
author = "Lin, {Yi Hsun} and Hsieh, {Mei Yu} and Wu, {Jiue Jia} and Ho, {Chia Che} and Wang, {Shyh Hau}",
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Lin, YH, Hsieh, MY, Wu, JJ, Ho, CC & Wang, SH 2012, Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound. in 2012 IEEE International Ultrasonics Symposium, IUS 2012., 6562547, IEEE International Ultrasonics Symposium, IUS, pp. 695-698, 2012 IEEE International Ultrasonics Symposium, IUS 2012, Dresden, Germany, 12-10-07. https://doi.org/10.1109/ULTSYM.2012.0173

Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound. / Lin, Yi Hsun; Hsieh, Mei Yu; Wu, Jiue Jia; Ho, Chia Che; Wang, Shyh Hau.

2012 IEEE International Ultrasonics Symposium, IUS 2012. 2012. p. 695-698 6562547 (IEEE International Ultrasonics Symposium, IUS).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Lin YH, Hsieh MY, Wu JJ, Ho CC, Wang SH. Detection of kinetic trajectory in the wrist during fingers motions using high-frequency ultrasound. In 2012 IEEE International Ultrasonics Symposium, IUS 2012. 2012. p. 695-698. 6562547. (IEEE International Ultrasonics Symposium, IUS). https://doi.org/10.1109/ULTSYM.2012.0173