Metallic renal artery MR imaging stent:: Artifact-free lumen visualization with projection and standard renal MR angiography

被引：17

作者：

Spuentrup, E

Ruebben, A

Stuber, M

Günther, RW

Buecker, A

机构：

[1] Rhein Westfal TH Aachen, Dept Diagnost Radiol, D-52057 Aachen, Germany

[2] Beth Israel Deaconess Med Ctr, Div Cardiovasc, Dept Med, Boston, MA 02215 USA

[3] Harvard Univ, Sch Med, Boston, MA 02115 USA

[4] Philips Med Syst, Best, Netherlands

来源：

RADIOLOGY | 2003年 / 227卷 / 03期

关键词：

magnetic resonance (MR); artifact; vascular studies; renal arteries; MR; stenosis or obstruction; stents and prostheses;

D O I：

10.1148/radiol.2273020354

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A cardiac-triggered free-breathing three-dimensional (3D) balanced fast field-echo projection renal magnetic resonance (MR) angiographic sequence was investigated for in-stent lumen visualization of a dedicated metallic renal artery stent. Fourteen prototype stents were deployed in the renal arteries of six pigs (in two pigs, three stents were deployed). Projection renal MR angiography was compared with standard contrast material-enhanced 3D breath-hold MR angiography. Artifact-free in-stent lumen visualization was achieved with both projection MR angiography and contrast-enhanced MR angiography. These promising results warrant further studies for visualization of instent restenosis. (C) RSNA, 2003.

引用

页码：897 / 902

页数：6

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