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Accessory hepatic vein recanalization for treatment of Budd-Chiari syndrome due to long-segment obstruction of the hepatic vein: initial clinical experience
Authors:Yu-Fei Fu  Hao Xu  Ke Zhang  Qing-Qiao Zhang  Ning Wei
Institution:From the Department of Interventional Radiology (N.W. ), The Affiliated Hospital of Xuzhou Medical College, Jiangsu, China.
Abstract:

PURPOSE

We aimed to investigate the feasibility and effectiveness of accessory hepatic vein recanalization (balloon dilatation/stent insertion) for patients with Budd-Chiari syndrome (BCS) due to long-segment obstruction of the hepatic vein.

METHODS

From March 2010 to December 2013, 20 consecutive patients with BCS, due to long-segment obstruction of three hepatic veins, treated with accessory hepatic vein recanalization (11 males, 9 females; mean age, 33.4±10.9 years; range, 22–56 years) were included in this retrospective study. Data on technical success, clinical success, and follow-up were collected and analyzed.

RESULTS

Technical and clinical success was achieved in all patients. Each patient was managed with a single accessory hepatic vein recanalization procedure. No procedure-related complications occurred. The diameter of the accessory hepatic vein was 8.45±1.47 mm (6–11 mm) at the stem, and there were many collateral circulations between the hepatic vein and the accessory hepatic vein. The mean pressure of accessory hepatic vein decreased from 47.50±5.59 cm H2O before treatment to 28.80±3.47 cm H2O after treatment (P < 0.001). Abnormal levels of total bilirubin, albumin, aspartate aminotransferase, and alanine transaminase improved after the treatment. During the follow-up, three patients experienced restenosis or stenting of the accessory hepatic vein.

CONCLUSIONS

In BCS due to long-segment obstruction of the hepatic veins, it is important to confirm whether there is a compensatory accessory hepatic vein. For patients with a compensatory but obstructed accessory hepatic vein, recanalization is a simple, safe, and effective treatment option.Budd-Chiari syndrome (BCS) is a rare disease characterized by hepatic venous outflow obstruction at the level of the hepatic vein (HV) or inferior vena cava (IVC) resulting in portal hypertension (1, 2). Thrombus is the most frequent cause in Western countries, whereas membranous webs are more common in Asia (2). HV recanalization has been reported as a simple, effective, and safe method for patients with BCS due to hepatic venous obstruction (1, 2). However, if the patients display long-segment obstruction of the HV, recanalization is always difficult with a high failure rate of 31%–100% (1, 2). Even when successfully managed, there is a risk of HV reobstruction after treatment (2).Various treatments, including transjugular intrahepatic portosystemic shunt (TIPS), surgical shunts, and liver transplantation have been described as potential treatment options for BCS (36). However, there are only a few studies on accessory hepatic vein (AHV) recanalization for treatment of BCS. In this study, we present our initial clinical results of AHV recanalization in 20 patients with BCS due to long-segment obstruction of HV.
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