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Proceedings Paper

Blood flow velocity in the popliteal vein using transverse oscillation ultrasound
Author(s): Thor Bechsgaard; Kristoffer Lindskov Hansen; Andreas Hjelm Brandt; Simon Holbek; Lars Lönn; Charlotte Strandberg; Niels Bækgaard; Michael Bachmann Nielsen; Jørgen Arendt Jensen
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Paper Abstract

Chronic venous disease is a common condition leading to varicose veins, leg edema, post-thrombotic syndrome and venous ulcerations. Ultrasound (US) is the main modality for examination of venous disease. Color Doppler and occasionally spectral Doppler US (SDUS) are used for evaluation of the venous flow. Peak velocities measured by SDUS are rarely used in a clinical setting for evaluating chronic venous disease due to inadequate reproducibility mainly caused by the angle dependency of the estimate. However, estimations of blood velocities are of importance in characterizing venous disease. Transverse Oscillation US (TOUS), a non-invasive angle independent method, has been implemented on a commercial scanner. TOUS's advantage compared to SDUS is a more elaborate visualization of complex flow. The aim of this study was to evaluate, whether TOUS perform equal to SDUS for recording velocities in the veins of the lower limbs. Four volunteers were recruited for the study. A standardized flow was provoked with a cuff compression-decompression system placed around the lower leg. The average peak velocity in the popliteal vein of the four volunteers was 151.5 cm/s for SDUS and 105.9 cm/s for TOUS (p <0.001). The average of the peak velocity standard deviations (SD) were 17.0 cm/s for SDUS and 13.1 cm/s for TOUS (p <0.005). The study indicates that TOUS estimates lower peak velocity with improved SD when compared to SDUS. TOUS may be a tool for evaluation of venous disease providing quantitative measures for the evaluation of venous blood flow.

Paper Details

Date Published: 1 April 2016
PDF: 8 pages
Proc. SPIE 9790, Medical Imaging 2016: Ultrasonic Imaging and Tomography, 979003 (1 April 2016); doi: 10.1117/12.2216725
Show Author Affiliations
Thor Bechsgaard, Rigshospitalet, Copenhagen Univ. Hospital (Denmark)
Technical Univ. of Denmark (Denmark)
Kristoffer Lindskov Hansen, Rigshospitalet, Copenhagen Univ. Hospital (Denmark)
Andreas Hjelm Brandt, Rigshospitalet, Copenhagen Univ. Hospital (Denmark)
Technical Univ. of Denmark (Denmark)
Simon Holbek, Technical Univ. of Denmark (Denmark)
Lars Lönn, Rigshospitalet, Copenhagen Univ. Hospital (Denmark)
Charlotte Strandberg, Gentofte Hospital, Copenhagen Univ. Hospital (Denmark)
Niels Bækgaard, Gentofte Hospital, Copenhagen Univ. Hospital (Denmark)
Michael Bachmann Nielsen, Rigshospitalet, Copenhagen Univ. Hospital (Denmark)
Jørgen Arendt Jensen, Technical Univ. of Denmark (Denmark)

Published in SPIE Proceedings Vol. 9790:
Medical Imaging 2016: Ultrasonic Imaging and Tomography
Neb Duric; Brecht Heyde, Editor(s)

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