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Eur J Vasc Endovasc Surg. 2009 Jan;37(1):23-30. doi: 10.1016/j.ejvs.2008.09.017. Epub 2008 Nov 17.

DynaCT during EVAR--a comparison with multidetector CT.

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1
Department of Food Science and Medical Technology, Sør-Trøndelag University College, Norway.

Abstract

OBJECTIVES:

We have explored the usefulness of an on-table, cross-sectional radiological imaging (DynaCT) in endovascular aortic repair (EVAR). DynaCT images were compared to images from a regular multidetector (16 slice) CT. In the comparison, we tested the accordance of firstly 5 relevant clinical measurements and secondly the visibility of 9 anatomical areas in the two different types of images. This imaging was carried out in addition to the usual angiographic imaging. DESIGN, MATERIAL AND METHOD: 20 patients with infrarenal abdominal aortic aneurysm (AAA) were prospectively enrolled in the study. We compared Images from DynaCT with two different doses of contrast medium to MDCT-images in two different ways. Firstly relevant arterial diameters and lengths and secondly, 9 anatomical areas were evaluated regarding visibility which was scored on a 4-point scale.

RESULTS:

There were no significant differences in the measured arterial diameters and lengths. MDCT had a significantly higher visibility score than both DynaCT investigations. However, with the highest contrast medium dose we found acceptable diagnostic quality in 78-94% of the cases for 8 of the 9 investigated anatomical areas.

CONCLUSION:

Our findings indicate that on-table DynaCT are of sufficient quality to give relevant information of arterial measurements, needed in endovascular repair of infrarenal aortic aneurysms.

PMID:
19010697
DOI:
10.1016/j.ejvs.2008.09.017
[Indexed for MEDLINE]
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