Can Location of Stiffness Measurement Impact Spleen 2-Dimensional Shear Wave Elastography Measurement?

IF 0.7 4区医学 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

Ultrasound Quarterly Pub Date : 2022-06-01 DOI:10.1097/RUQ.0000000000000602

Jinzhen Song, Jiawu Li, Yan Luo, Qiang Lu

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Abstract

Abstract: Ultrasound-based spleen elastography is a promising surrogate to predict portal hypertension noninvasively. In contrast to defined standards for liver stiffness measurement, the standardized examination procedures for 2-dimensional (2D) shear wave elastography spleen elastography have not been established yet. The aim was to investigate the impact of location of stiffness measurement on 2D shear wave elastography spleen stiffness measurement (SSM). Patients with splenomegaly were enrolled. Both B-mode ultrasound and elastography of spleen were performed. For SSM, 3 regions were chosen for spleen measurement: lower pole region, central region, and the region between lower pole and center. Mean SSM value, success rate, and reliability predicators (standard deviation, standard deviation/mean, size of region of interest) were assessed. A total of 124 patients were included. For mean SSM value, there were no significant differences among 3 regions. Spleen stiffness measurement success rate in lower pole region, central region, and the region between them was 63.7% (79), 91.1% (113), and 78.2% (97), respectively. The success rate in the central region was significantly higher than that in the other 2 regions (P < 0.05). Reliability in the central region was also highest among the 3 regions. Location of stiffness measurement has a limited effect on SSM. Changing location of measurement will not influence mean stiffness value in spleen.

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刚度测量位置会影响脾脏二维横波弹性测量吗?

超声脾脏弹性成像是一种很有前途的无创预测门静脉高压症的替代方法。与肝脏刚度测量的既定标准相比，二维(2D)横波弹性成像脾脏弹性成像的标准化检查程序尚未建立。目的是研究刚度测量位置对二维剪切波弹性脾刚度测量(SSM)的影响。纳入脾肿大患者。同时行b超和脾脏弹性成像检查。对于SSM，选择3个区域进行脾脏测量:下极区、中央区和下极与中心之间的区域。评估SSM均值、成功率和可靠性预测因子(标准差、标准差/平均值、感兴趣区域的大小)。共纳入124例患者。平均SSM值在3个地区间无显著差异。脾脏下极区、中央区及中间区刚度测量成功率分别为63.7%(79)、91.1%(113)、78.2%(97)。中部地区手术成功率显著高于其他2个地区(P < 0.05)。在3个地区中，中部地区的可靠性也最高。刚度测量位置对SSM的影响有限。改变测量位置不会影响脾脏的平均刚度值。

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来源期刊

Ultrasound Quarterly RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-

CiteScore

2.50

自引率

7.70%

发文量

105

审稿时长

>12 weeks

期刊介绍： Ultrasound Quarterly provides coverage of the newest, most sophisticated ultrasound techniques as well as in-depth analysis of important developments in this dynamic field. The journal publishes reviews of a wide variety of topics including trans-vaginal ultrasonography, detection of fetal anomalies, color Doppler flow imaging, pediatric ultrasonography, and breast sonography. Official Journal of the Society of Radiologists in Ultrasound