Department of Ultrasound, Liuhuaqiao Hospital, Guangzhou 510010, China.
Am J Emerg Med. 2013 Oct;31(10):1427-31. doi: 10.1016/j.ajem.2013.06.013. Epub 2013 Aug 19.
The objective of this study is to evaluate the diagnostic value of real-time 3-dimensional contrast-enhanced ultrasound in the hemorrhage of blunt renal trauma.
Eighteen healthy New Zealand white rabbits were randomly divided into 3 groups. Blunt renal trauma was performed on each group by using minitype striker. Ultrasonography, color Doppler flow imaging, and contrast-enhanced 2-dimensional and real-time 3-dimensional ultrasound were applied before and after the strike. The time to shock and blood pressure were subjected to statistical analysis. Then, a comparative study of ultrasound and pathology was carried out.
All the struck kidneys were traumatic. In the ultrasonography, free fluid was found under the renal capsule. In the color Doppler flow imaging, active hemorrhage was not identified. In 2-dimensional contrast-enhanced ultrasound, active hemorrhage of the damaged kidney was characterized. Real-time 3-dimensional contrast-enhanced ultrasound showed a real-time and stereoscopic ongoing bleeding of the injured kidney. The wider the hemorrhage area in 4-dimensional contrast-enhanced ultrasound was, the faster the blood pressure decreased.
Real-time 3-dimensional contrast-enhanced ultrasound is a promising noninvasive tool for stereoscopically and vividly detecting ongoing hemorrhage of blunt renal trauma in real time.
本研究旨在评估实时三维对比增强超声在钝性肾损伤出血中的诊断价值。
将 18 只新西兰大白兔随机分为 3 组，每组均采用小型打击器造成钝性肾损伤。打击前后分别进行超声、彩色多普勒血流成像及二维和实时三维超声造影检查，对休克发生时间及血压进行统计学分析。然后进行超声与病理的对比研究。
所有打击肾脏均出现创伤。超声显示肾被膜下有游离液。彩色多普勒血流成像未发现活动性出血。二维对比增强超声显示损伤肾脏的活动性出血。实时三维对比增强超声实时立体显示损伤肾脏的持续出血。4 维对比增强超声显示的出血面积越宽，血压下降越快。
实时三维对比增强超声是一种很有前途的非侵入性工具，可实时立体、生动地检测钝性肾损伤的持续出血。
