Safety and Efficacy of Primary Stent Placement for Hepatic Artery Kinks in Liver Transplant Recipients.

IF 2.9 3区医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS

CardioVascular and Interventional Radiology Pub Date : 2025-07-01 Epub Date: 2025-06-16 DOI:10.1007/s00270-025-04089-5

Vijay Ramalingam, Ammar Sarwar, Sheikh Muhammad Usman Shami, Jeffrey Weinstein, David Lee, Michael Curry, Devin Eckhoff, Muneeb Ahmed

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引用次数: 0

Abstract

Purpose: To evaluate the long-term outcomes of primary stent placement for hepatic artery kinks in liver transplant recipients.

Methods: After institutional review board approval, all patients undergoing liver transplantation between February 2001 and February 2024 at a single institution who underwent primary stent placement were reviewed. Patients who had hepatic artery thrombosis or underwent balloon angioplasty alone were excluded. Patients who underwent stent placement for hepatic artery kink were included. Hepatic artery kinks were defined by an acute arterial bend with coaptation of the arterial wall which is typically due to redundancy of the transplant hepatic artery. Hepatic arterial patency was evaluated at 1, 3, and 5 years. Kaplan-Meier analysis was performed for primary patency.

Results: Fifty-six patients underwent hepatic artery stent placement. Further stratification resulted in 15/56 patients undergoing stent placement for hepatic artery kink. Primary patency rates for hepatic artery kink patients (n = 15) at 1, 3, and 5 years were 92%, 92%, and 92%, respectively. Primary-assisted patency for stent placement for hepatic artery kink was 100% at 1, 3, and 5 years. One patient had mid-stent kinking which was categorized as a technical failure and required re-intervention (n = 1/15). No patients had kink propagation or arterial rupture.

Conclusion: In conclusion, primary stent placement for hepatic artery kink has excellent long-term patency.

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肝移植受者初次支架置入术治疗肝动脉扭结的安全性和有效性。

目的：评价肝移植受者肝动脉扭结一期支架置入术的远期疗效。方法：经机构审查委员会批准，对2001年2月至2024年2月在同一机构接受肝移植的所有患者进行初步支架置入术的审查。排除有肝动脉血栓形成或单独行球囊血管成形术的患者。患者接受支架置入术肝动脉扭结包括在内。肝动脉扭结被定义为急性动脉弯曲与动脉壁的覆盖，这通常是由于移植肝动脉的冗余。在1年、3年和5年评估肝动脉通畅程度。Kaplan-Meier分析原发性通畅。结果：56例患者行肝动脉支架置入术。进一步分层导致56例患者中有15例接受肝动脉扭结支架置入术。肝动脉扭结患者（n = 15）在1、3和5年时的原发性通畅率分别为92%、92%和92%。在1年、3年和5年，肝动脉扭结支架置入术的初始辅助通畅率为100%。1例患者发生支架中间扭结，归类为技术故障，需要再次干预（n = 1/15）。无患者发生扭结扩展或动脉破裂。结论：原发性肝动脉支架置入术具有良好的长期通畅性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

CardioVascular and Interventional Radiology 医学-核医学

CiteScore

5.50

自引率

13.80%

发文量

306

审稿时长

3-8 weeks

期刊介绍： CardioVascular and Interventional Radiology (CVIR) is the official journal of the Cardiovascular and Interventional Radiological Society of Europe, and is also the official organ of a number of additional distinguished national and international interventional radiological societies. CVIR publishes double blinded peer-reviewed original research work including clinical and laboratory investigations, technical notes, case reports, works in progress, and letters to the editor, as well as review articles, pictorial essays, editorials, and special invited submissions in the field of vascular and interventional radiology. Beside the communication of the latest research results in this field, it is also the aim of CVIR to support continuous medical education. Articles that are accepted for publication are done so with the understanding that they, or their substantive contents, have not been and will not be submitted to any other publication.