Preoperative Evaluation of Hepatic Arterial and Portal Venous Anatomy Using the Time Resolved Echo-shared MR Angiographic Technique in Living Liver Donors

Overview

Journal Eur Radiol

Specialty Radiology

Date 2006 Oct 25

PMID 17061069

Citations 5

Authors

Min Woo Lee

Jeong Min Lee

Jae Young Lee

Se Hyung Kim

Eun-Ah Park

Joon Koo Han

Jin-Young Choi

Young Jun Kim

Kyung-Suk Suh

Byung Ihn Choi

Affiliations

Soon will be listed here.

Abstract

The purpose of this study was to determine whether MR angiography utilizing the time resolved echo-shared angiographic technique (TREAT) can provide an effective assessment of the hepatic artery (HA) and portal vein (PV) in living donor candidates. MR angiography (MRA)was performed in 27 patients (23 men and 4 women; mean age, 31 years) by using TREAT. Two blinded radiologists evaluated HA anatomy, origin of segment IV feeding artery and PV anatomy in consensus. Qualitative evaluations of MRA images were performed using the following criteria: (a) overall image quality, (b) presence of artifacts, and (c) degree of venous contamination of the arterial phase. Using intraoperative findings as a standard of reference, the accuracy for the HA anatomy, origin of segment IV feeding artery and PV anatomy on TREAT-MRA were 93% (25/27), 85% (23/27), and 96% (26/27), respectively. Overall image qualities were as follows: excellent (n=22, 81%), good (n=4, 15%), and fair (n=1, 4%). Significant artifacts or venous contamination of the arterial phase images was not noted in any patient. TREAT-MRA can provide a complete evaluation of HA and PV anatomy during preoperative evaluation of living liver donors. Furthermore, it provides a more detailed anatomy of the HA without venous contamination.

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