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目的:探讨超声造影在评价儿童肝移植术后肝动脉闭塞中的应用价值。方法:回顾性分析185例儿童肝移植患者术后肝动脉常规超声检测结果,对14例可疑肝动脉闭塞的病例进行超声造影检查,并将其检查结果与手术病理、数字减影血管造影(DSA)和随访结果进行对比,分析超声造影评价可疑肝动脉闭塞的灵敏度、特异度和准确率;比较活体左外叶肝移植术与原位肝移植术肝移植方法患儿肝动脉闭塞的发生率。结果:超声造影诊断肝动脉闭塞的灵敏度、特异度和准确率均为100%;两种肝移植手术方法患儿肝动脉闭塞发生率比较,差异有统计学意义(x~2=166.267,P<0.001)。结论:超声造影在儿童肝移植术后、常规超声怀疑肝动脉闭塞的患者中可作为重要的补充检查手段。
Objective: To evaluate the value of contrast-enhanced ultrasound in the evaluation of hepatic artery occlusion in children after liver transplantation. Methods: The postoperative routine hepatic arterial ultrasonography was retrospectively analyzed in 185 cases of children with liver transplantation. The echocardiography was performed in 14 cases of suspected hepatic artery occlusion. The results were compared with those of surgery and pathology, digital subtraction angiography (DSA) ) And follow-up results were compared, the sensitivity, specificity and accuracy of contrast-enhanced ultrasound in the evaluation of suspicious hepatic artery occlusion were analyzed. The incidence of hepatic artery occlusion in children undergoing OLT and orthotopic liver transplantation was compared. Results: The sensitivity, specificity and accuracy of contrast-enhanced ultrasound in the diagnosis of hepatic artery occlusion were both 100%. There was a significant difference in the incidence of hepatic artery occlusion between the two methods of liver transplantation (x 2 = 166.267, P < 0.001). CONCLUSIONS: CEUS can be an important supplementary test in children with suspected liver artery occlusion after conventional liver transplantation.