期刊
ULTRASOUND IN MEDICINE AND BIOLOGY
卷 39, 期 8, 页码 1356-1361出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ultrasmedbio.2012.11.015
关键词
Body mass index; Chronic pain; Elasticity imaging techniques; Musculoskeletal physiological phenomena; Neck pain; Ultrasonography
This study aimed to quantify neck muscle stiffness in the normal population with ultrasound elastography. We applied the acoustic radiation force impulse technique and measured shear wave velocities (SWVs) as representative values. The mean +/- standard deviation values of SWV in 20 healthy volunteers were 2.09 +/- 0.45, 1.21 +/- 0.30, 1.12 +/- 0.17 and 0.97 +/- 0.10 m/s for the trapezius, levator scapulae, scalene anterior and sternocleidomastoid muscles, respectively. The SWV values of the four muscles significantly differed (Kruskal-Wallis test, p < 0.001). The SWV values for the trapezius muscle correlated with body mass indexes (Pearson's correlation, p = 0.034). Subjects with chronic neck pain symptoms had significantly stiffer trapezius muscle (Mann-Whitney U test, p = 0.008). This study demonstrated the technique and feasibility of quantifying neck muscle stiffness using acoustic radiation force impulse elastography and shear wave velocity detection. Further study is necessary to evaluate its diagnostic power in assessing various neck muscle diseases. (E-mail: yichianw@ntu.edu.tw) (C) 2013 World Federation for Ultrasound in Medicine & Biology.
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