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Bullet retrieval from the right hepatic vein using a controlled endovascular and transhepatic approach.

ABSTRACT: Venous bullet embolism is a rare complication of trauma. We describe a patient who sustained a gunshot wound. Computed tomography revealed antegrade embolization of the bullet to the right hepatic vein (RHV). The risk of not retrieving the bullet embolus and subsequent embolization to the pulmonary circulation includes pulmonary artery thrombosis, bleeding, or abscess formation. The bullet was retrieved through right internal jugular vein access; assisted by percutaneous transhepatic repositioning and endovascular balloon-immobilization of the bullet. The balloon served to "isolate" the bullet within the RHV to avoid the risk of endovascular migration to the pulmonary circulation. Transhepatic access allowed repositioning of the bullet within the RHV leading to successful snare retrieval. This technique demonstrates advantages of percutaneous and endovascular accesses, that repositioned and immobilized the bullet in the RHV to accomplish controlled endovascular retrieval.

SUBMITTER: Makramalla A

PROVIDER: S-EPMC6077867 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Bullet retrieval from the right hepatic vein using a controlled endovascular and transhepatic approach.

Makramalla Abouelmagd A Buchino James J Johannigman Jay J Ristagno Ross R

Radiology case reports 20180729 5

Venous bullet embolism is a rare complication of trauma. We describe a patient who sustained a gunshot wound. Computed tomography revealed antegrade embolization of the bullet to the right hepatic vein (RHV). The risk of not retrieving the bullet embolus and subsequent embolization to the pulmonary circulation includes pulmonary artery thrombosis, bleeding, or abscess formation. The bullet was retrieved through right internal jugular vein access; assisted by percutaneous transhepatic repositioni ...[more]

PMID: 30105086

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Project description:IntroductionGastroesophageal varices (GOV) bleeding is a common and serious complication of advanced liver cirrhosis with a median survival of less than 2 years. Multiple guidelines have pointed out that transjugular intrahepatic portosystemic shunt (TIPS) is the rescue treatment of acute variceal hemorrhage (AVB) after failure of standard therapy and an effective second-line treatment for preventing patients with high risks from rebleeding of GOV. The safety and stability of TIPS have been greatly improved due to the improvements of related technologies and the emergence of various novel devices, but the incidence of hepatic encephalopathy (HE) after shunting (10-50%) hindered the widespread use of TIPS. The target portal vein branch might affect the incidence of HE after TIPS. The aim of this study is to compare the rate of HE in patients with hepatitis B virus (HBV) related cirrhosis receiving TIPS either the left or right branch of the portal vein with 8mm Viatorr stent for preventing rebleeding from GOV.Methods and analysisThis study is a multicenter randomized controlled trial comparing the influence of shunting left or right portal vein branch on post-TIPS hepatic encephalopathy for preventing rebleeding from GOV in patients with HBV-related cirrhosis. A total of 130 patients will be recruited over a period of 24 months across 5 centers in China. Eligible patients will be stratified 1:1 to constructing either a left or right portal vein shunt with an 8-mm Viatorr stent. The primary objective was to compare the incidence of post-TIPS hepatic encephalopathy between the two groups. The secondary objectives were to compare the grade and duration of hepatic encephalopathy, the rate of shunt dysfunction, the rate of variceal rebleeding, the HE-free survival, the cumulative patency rate of the stent, and the overall survival at 12 months and 24 months between two groups.Ethics and disseminationThis study was approved by the ethics committee of Zhongshan Hospital of Fudan University (No. B2018-292R) and was registered at ClinicalTrials.gov (NCT03825848). All participants give written informed consent.Trial registrationClinicalTrials.gov NCT03825848. Registered on January 31, 2019 TRIAL STATUS: The first patient was recruited into our study on June 19, 2019. A total of 55 patients were recruited till May 27, 2021 (27 and 28 patients assigned to shunting the left (L Group) and right (R Group) branches of the portal vein, respectively).

Dataset Information

Bullet retrieval from the right hepatic vein using a controlled endovascular and transhepatic approach.

Publications

Bullet retrieval from the right hepatic vein using a controlled endovascular and transhepatic approach.

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