目的 探讨肝移植术后胆管壁超声造影在缺血性胆管炎(ischemic type biliarylesion,ITBL)诊断中的应用价值.方法 对14例ITBL、5例正常移植肝及9例健康对照者进行超声造影检查,应用ACQ造影定量分析软件,观察胆管壁及邻近肝实质血流灌注情况.分别绘制不同造影时相胆管壁及邻近肝实质时间-强度曲线(TIC),分析动脉期造影剂到达时间、达峰值时间、开始增强强度、峰值强度;门脉
To develop a novel scaffolding method for the copolymers poly lactide-co-glycolide acid (PLGA) to construct a three-dimensional (3-D) scaffold and explore its b