Quantifying Increased Hepatic Arterial Flow With Test Balloon Occlusion of the Splenic Artery in Liver Transplant Recipients With Suspected Splenic Steal Syndrome: Quantitative Digitally Subtracted Angiography Correlation With Arterial Doppler Parameters

被引：11

作者：

Saad, Wael E. ^{[1
]}

Anderson, Curtis L. ^{[1
]}

Kowarschik, Markus ^{[2
]}

Turba, Ulku C. ^{[1
]}

Schmitt, Timothy M. ^{[3
]}

Kumer, Sean C. ^{[3
]}

Matsumoto, Alan H. ^{[1
]}

Angle, John F. ^{[1
]}

机构：

[1] Univ Virginia Hlth Syst, Dept Radiol & Imaging Sci, Div Vasc Intervent Radiol, Charlottesville, VA 22908 USA

[2] Siemens AG, Healthcare Sect, Forschiem, Germany

[3] Univ Virginia Hlth Syst, Dept Surg, Div Solid Organ Transplantat, Charlottesville, VA 22908 USA

来源：

VASCULAR AND ENDOVASCULAR SURGERY | 2012年 / 46卷 / 05期

关键词：

splenic steal; transplant; test occlusion; EMBOLIZATION; DIAGNOSIS; MANAGEMENT;

D O I：

10.1177/1538574412449394

中图分类号：

R61 [外科手术学];

学科分类号：

摘要：

Purpose: The purpose of this study is to quantify hepatic arterial flow (HAF) in liver transplants with splenic steal syndrome (SSS) pre- and post-test balloon occlusion of the splenic artery utilizing Doppler ultrasound (DUS) and quantitative digitally subtracted angiography (Q-DSA). Methods: A total of 193 liver transplants were evaluated retrospectively. Hepatic arterial velocity (HAV) and HAF were calculated utilizing DUS and Q-DSA (i-flow prototype, Siemens) pre- and post-splenic artery balloon occlusion. The rate of HAF increase, total HAF, and peak contrast density (PKD) by Q-DSA were compared with HAF by DUS. Results: Of all, 4 suspected SSS cases underwent test-balloon occlusion with DUS and Q-DSA. Using DUS, HAV and HAF increased by 1.6- to 1.8-fold and 1.7- to 2.6-fold, respectively. Using Q-DSA, the HAF rate, total HAF, and PKD increased by 1.1 to 12.8, 1.5 to 7.6, and 1.3 to 5.3, respectively. Conclusion: Occlusion of the splenic artery in liver transplants with SSS doubles the HAF (+1.7- to 2.6-fold). The Q-DSA parameters correlate qualitatively but overestimate the resultant increased HAF.

引用

页码：384 / 392

页数：9

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