对管腔面积，管壁厚度和面积进行测量和统计分析。
The lumen areas, wall thickness and area were measured and analyzed statistically.
方法利用SD大鼠颈总动脉球囊损伤法造成颈动脉狭窄，观察颜氏益心方对颈动脉狭窄血管内膜厚度及管腔面积的影响。
Methods SD rat carotid artery stenosis was induced by balloon injury. The effects of Yan Yixin Fang on intimal thickness and lumen area of the narrowed carotid artery were observed.
结论 血管内超声是评价支架内再狭窄的有效的手段， 支架内再狭窄患者有更大的斑块面积和内膜增生面积，而最小管腔面积变小。
Conclusion IVUS is the effective ways to access the ISR, the larger plaque area, neointimal area but smaller minimal lumen area were seen in patients with ISR.
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