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Assessment of peripheral muscle thickness and architecture in healthy volunteers using hand-held ultrasound devices; a comparison study with standard ultrasound.
BMC Medical Imaging ( IF 2.9 ) Pub Date : 2019-08-19 , DOI: 10.1186/s12880-019-0373-x
Peter Turton 1 , Richard Hay 2 , Ingeborg Welters 1
Affiliation  

BACKGROUND Pocket-sized ultrasound devices are increasingly used in a variety of clinical situations, and perform well against standard ultrasound machines. We sought to investigate if a pocket-sized ultrasound device can assess muscle thickness and architecture in healthy volunteers. METHODS Healthy male volunteers (n = 21) across a range of ages were recruited to the study. Laying supine, ultrasound images were taken from the right anterior and lateral thigh. Thickness of the rectus femoris (RFMT), vastus intermedius (VIMT), and the two combined (anterior thigh, AMT) were measured, along with thickness of vastus lateralis (VLMT), pennation angle (VLPA) and derived fascicle length (VLFL). These scans were performed initially using a pocket-sized ultrasound (VScan) and then using a standard device (Telemed Echoblaster 128). RESULTS In all six variables, there was no significant difference between the two sets of measurements. Intra-class correlation co-efficients (ICC) for VLMT, VLPA, and AMT were all excellent (0.93, 0.89, 0.90 respectively) with the derived value of VLFL having an ICC of 0.84. All ICC values were statistically significant. Regression analysis demonstrated no evidence of proportional bias in any of the measured or derived variables. CONCLUSION A pocket-sized ultrasound device gives similar measurements of lower limb muscle thickness and architecture as a standard device in healthy volunteers.

中文翻译:


使用手持式超声设备评估健康志愿者的外周肌肉厚度和结构;与标准超声的比较研究。



背景技术袖珍超声设备越来越多地用于各种临床情况,并且与标准超声机器相比表现良好。我们试图研究袖珍超声设备是否可以评估健康志愿者的肌肉厚度和结构。方法 不同年龄段的健康男性志愿者(n = 21)被招募到研究中。仰卧,从右大腿前侧和外侧拍摄超声图像。测量股直肌 (RFMT)、股中间肌 (VIMT) 和两者组合(大腿前部,AMT)的厚度,以及股外侧肌 (VLMT) 的厚度、羽状角 (VLPA) 和衍生束长度 (VLFL) 。这些扫描最初使用袖珍超声波 (VScan) 进行,然后使用标准设备 (Telemed Echoblaster 128) 进行。结果 在所有六个变量中,两组测量值之间没有显着差异。 VLMT、VLPA 和 AMT 的类内相关系数 (ICC) 均非常出色(分别为 0.93、0.89、0.90),VLFL 的导出值 ICC 为 0.84。所有 ICC 值均具有统计学意义。回归分析表明,没有证据表明任何测量或导出的变量存在比例偏差。结论 袖珍超声设备可以对健康志愿者的下肢肌肉厚度和结构进行与标准设备类似的测量。
更新日期:2019-08-19
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