声辐射力脉冲成像(ARFI)技术评价不同类型的人颈动脉粥样硬化斑块

Detection of the Texture of Different Types of Carotid Atherosclerotic Plaques in Patients Using Acoustic Radiation Force Imaging(ARFI)

目的应用声辐射力脉冲成像(ARFI)技术定量评价不同类型的人颈动脉粥样硬化斑块的质地。方法 87例病人的125个颈动脉粥样硬化斑块分为3组:软斑组(57个)、混合斑组(37个)、硬斑组(31个),分别对各个斑块行ARFI技术检查,记录各斑块的剪切波传播速度(SWV)。对各组斑块的SWV进行两两比较。结果不同类型斑块的SWV明显不同,软斑块组斑块SWV最慢,其次是混合斑块组,硬斑块组斑块SWV最快,3组斑块的SWV两两比较,差异有统计学意义(P=0.000)。结论ARFI技术可对颈动脉粥样斑块质地行定量检测。

Objective To quantitatively assess the texture of different types of carotid atherosclerotic plaques in patients using acous- tic radiation force imaging（ARFl）. Methods A total of 125 plaques in 87 patients were divided into three groups： group A including 57 soft plaques,group B including 37 mixed plaques and group C including 31 hard plaques. Acoustic radiation force imaging was then used to measure the shear wave velocities of each plaque of the three groups. The results of the three groups were compared by pairwise compar- ison. Results SWV of the soft plaques was the slowest, next was the mixed plaques, and the SWV of the hard plaques is the fastest. The shear wave velocities between every two groups were significantly different （P = 0. 000）. Conclusion The texture of carotid atherosclerot- ic plaques can be evaluated quantitatively using acoustic radiation force imaging.