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| Application of CDFI and Contrast-enhanced Ultrasound in Detecting Hepatic Artery Complications after Liver Transplantation |
| The People’s Hospital of Zhongshan City，Zhongshan 528403，China |
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Abstract Objective： To analyze the differences between color Doppler flow imaging（ CDFI） and contrast enhanced ultrasound ，to explore their values in the detection of hepatic artery complications after liver transplantation. Method： 136 cases of liver transplantation patients were examined by color Doppler flow imaging， and to observe if the blood perfusion of hepatic artery and hepatic parenchyma was abnormal. Among them 38 cases with color Doppler flow imaging was suspected abnormalities， then using CPS imaging techniques， namely SonoVue and contrast-enhanced ultrasound imaging techniques to examine. Result： In all the 136 cases，The hepatic artery doppler blood flow signals of 98 patients showed clearly ， accounting for 72.06% of the total number，CDFI can't rule out of the HAT for the 38 cases with early postoperative and multiple section scan. After contrast-enhanced ultrasound，6 patients’ liver artery trunk and branch line were normal and showed clearly.1 patient’s hepatic arterial blood flow signals were not showed clearly 1 week after postoperative，11 days later， the patient was confirmed as HAT with contrast-enhanced ultrasound diagnosis. 1 patient’s CDFI showed intrahepatic echo clutter（ in 10 months） and multiple echo of the border area， the final clinical diagnosis was HAT with diffuse infarction of the liver . Conclusion： CDFI and contrast-enhanced ultrasound can be complementary. They can improve the accuracy of diagnosis of hepatic artery complications after liver transplantation effect.
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