期刊
JOURNAL OF MAGNETIC RESONANCE IMAGING
卷 26, 期 1, 页码 80-85出版社
JOHN WILEY & SONS INC
DOI: 10.1002/jmri.20980
关键词
elastic compression stocking; deep veins; superficial veins; deep-vein thrombosis; biomechanical engineering
Purpose: To evaluate the potential of MRI to investigate the mechanical effects of compression stockings on the veins of the lower limb. Materials and Methods: The right calves of eight healthy volunteers were imaged in the prone position, with and without the presence of a compression stocking. Cross-sectional areas of all peroneal and posterior tibial veins, both saphenous veins, and any sufficiently large superficial veins were segmented in all subjects at mid-calf level in both cases. Variation in cross-sectional area along the axis of the great saphenous vein and a peroneal vein was also examined in three subjects. Results: The mean cross-sectional area reduction was found to be greater in the deep veins (64%) than in the superficial veins (39%). Deep-vein cross-sections were generally elliptical, while superficial veins were approximately circular. Significant axial fluctuations were found in the cross-sectional areas. Conclusion: MRI offers a precise source of data on the mechanical effects of lower-limb compression. Ultrasound (US) may be more cost-effective, but the data acquired are less comprehensive. Future biomechanical studies of lower-limb compression should make use of MRI.
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