Multislice CT angiography in the follow-up of fenestrated endovascular grafts: effect of slice thickness on 2D and 3D visualization of the fenestration stents

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
Zhonghua SunMichael M D Lawrence-Brown

Abstract

To investigate the effect of multislice computed tomography (CT) protocols on the visualization of target vessel stents in patients with abdominal aortic aneurysm (AAA) treated with fenestrated endovascular grafts. Twenty-one patients (19 men; mean age 75 years, range 63-86) undergoing fenestrated endovascular repair of AAA were retrospectively studied. Multislice CT angiography was performed with several protocols, and the section thicknesses used in each were compared to identify any relationship between slice thickness and target vessel stents visualized on 2-dimensional (2D) axial, multiplanar reformatted (MPR), and 3-dimensional (3D) virtual intravascular endoscopy (VIE) images. Image quality was assessed based on the degree of artifacts and their effect on the ability to visualize the configuration, intra-aortic location, and intraluminal appearance of the target vessel stents and measure their protrusion into the aortic lumen. There were 7 different multislice CT scanning protocols employed in the 21 patients (25 datasets, with 2 sets of follow-up images in 4 patients). The slice thicknesses and numbers (n) of studies included were 0.5 (n=3), 0.625 (n=6), 1.0 (n=1), 1.25 (n=9), 2.5 (n=3), 3.0 (n=1), and 5.0 mm (n=2). Of ...Continue Reading

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Feb 8, 2008·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Zhonghua SunMichael M D Lawrence-Brown

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Citations

Oct 11, 2012·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Zhonghua Sun
Apr 1, 2009·Biomedical Imaging and Intervention Journal·Z Sun
Oct 1, 2009·Biomedical Imaging and Intervention Journal·Z Sun, Lawrence-Brown
Jan 16, 2015·Radiographics : a Review Publication of the Radiological Society of North America, Inc·Ajay D WadgaonkarPamela T Johnson
Jul 19, 2015·Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists·Barry DoylePaul Norman
May 5, 2009·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Zhonghua SunMichael M Lawrence-Brown
Jan 5, 2010·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Zhonghua Sun, Thanapong Chaichana

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