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| Evaluation of Early Vascular Complications after Liver Transplantation: Usefulness of Power Doppler US with a Microbubble Contrast Agent - Preliminary Results |
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| Dongil Choi, M.D. Hyo Keun Lim, M.D., Seung Hoon Kim, M.D., Jae Min Cho, M.D., Ji Yeon Lee, M.D., Won Jae Lee, M.D., Jae Hoon Lim, M.D., Yong-Seon Pyeun, M.D. |
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| Departments of Radiology and General Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine |
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| PURPOSE : To evaluate the usefulness of power Doppler ultrasonography (PDUS) with a mi-crobubble
contrast agent in assessing the early vascular complications after liver transplanta-tion
(LT).
MATERIALS and METHODS : In 15 patients with orthotopic LT (n = 12) and living-related donor LT (n
= 3), PDUS examinations, before and after intravenous injection of a microbubble contrast
agent, (Levovist
Ⓡ
; Schering AG, Berlin, Germany) were performed one-day after the LT. We
compared the results of unenhanced PDUS with those of contrast-enhanced PDUS in terms of
depicting the complications and conspicuity of the lesions.
RESULTS : In three (20%) of 15 patients, flow signal of hepatic artery was not detected on unen-hanced
PDUS, while contrast-enhanced PDUS showed flow signals of the hepatic artery in all
patients. Both unenhanced and contrast-enhanced PDUS showed portal vein thromboses in
two (13%) of 15 patients, but conspicuity of portal vein thromboses was better appreciated on
contrast-enhanced PDUS.
CONCLUSION : Compared with unenhanced PDUS, contrast-enhanced PDUS showed better detec-tion
of hepatic arterial flow and increased conspicuity of portal vein thrombosis one-day after
LT. Our preliminary data suggest that contrast-enhanced PDUS can be a promising noninva-sive
technique in assessing the early vascular complications after LT. |
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| Keyword : Liver, US; Hepatic arteries, US; Ultrasound (US), contrast media; Ultrasound (US), power Doppler studies; Liver, transplantation |
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pdf파일 : K20200015.pdf 
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> Journal > Journal Search 
Journal of Korean Society of Ultrasound in Medicine 2001 ; 20 (1) : p.15 -21
