The mechanisms of most hepatic perfusion disorders can be explained with redistributing hepatic arterial flow and resulting in an arterioportal shunt(APS) caused by various conditions.
各种原因导致肝动脉血流重新分配和肝动脉门静脉分流形成，是产生肝脏灌注异常的主要机制。
参考来源 - 肝脏灌注异常的多层螺旋CT诊断·2,447,543篇论文数据，部分数据来源于NoteExpress
目的：探讨肝移植后超声对肝动脉血流障碍的早期诊断。
Objective: to evaluate color Doppler ultrasound in the early diagnosis of hepatic artery blood stream obstruction syndrome after orthotopic liver transplantation.
方法超声对比检测正常肝与弥漫性肝病进餐前后门静脉和右肝动脉血流改变。
Methods By using ultrasound scanner, to compare the flow changes in portal vein and right hepatic artery of diffused hepatic lesions before and after meal with that of normal liver.
结论：彩色多普勒超声可监测肝动脉血流障碍综合征，掌握其特征，有助于肝动脉并发症的早期诊断。
Conclusion: Using color Doppler ultrasonography for detecting the feature of hepatic artery blood stream obstruction syndrome is beneficial for the early diagnosis of hepatic artery complication.
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