当前位置： SCI文献检索 > EUROPEAN JOURNAL OF RADIOLOGY期刊下所有文献 > Carotid artery stenting and follow-up: value of 64-MSCT angiography as complementary imaging method to color-coded duplex sonography.

Carotid artery stenting and follow-up: value of 64-MSCT angiography as complementary imaging method to color-coded duplex sonography.

Abstract：

PURPOSE:To compare 64-multi-slice-CT angiography (64-MSCTA) to color-coded duplex sonography (CCDS) in the follow-up after carotid artery stenting (CAS). METHODS:Thirty patients who had an MSCTA and CCDS examination prior and after CAS were included. Twelve closed-cell and 24 open-cell stents were implanted. Neointimal surface, in-stent-restenosis (ISR), stent expansion, and fracture were evaluated. In addition, the occurrence of atherosclerotic lesions leading to a>50% stenosis in supraaortic vessels was assessed. RESULTS:With MSCTA, >50% ISR was found in 5.6% of cases during a mean follow-up of 41.7 months. Comparing MSCTA and CCDS, grading of ISR and absolute diameters of neointimal surface correlated moderately (Spearman=0.402, p=0.015; Pearson=0.404, p=0.03). Assessment of the neointimal surface was significantly better with MSCTA (100% vs. 80.6%; p=0.011). Stent expansion was significant, compared to the basic value, with both modalities and stent types (p<0.001). Of 237 additionally assessed vessel segments, a>50% stenosis was detected in 38 (16.0%) vessel segments. Findings were stable in 25 (10.5%) and progressed in 11 (4.6%) vessel segments. Five small intracranial aneurysms were detected in four (13.3%) patients. Of 21 incidental findings in 16 (51.6%) patients there was one with malignancy (4.8%). CONCLUSION:With regard to ISR and stent expansion, no significant difference was found, when MSCTA and CCDS were compared. CTA is quite applicable as a complementary imaging method for the follow-up of patients with carotid artery stents. Additional advantages are the detection of supraaortic vessel pathologies and incidental findings.

journal_name

Eur J Radiol

journal_title

European journal of radiology

authors

Nolz R,Wibmer A,Beitzke D,Gentzsch S,Willfort-Ehringer A,Lammer J,Thurnher M,Schoder M

doi

10.1016/j.ejrad.2010.12.007

subject

Has Abstract

pub_date

2012-01-01 00:00:00

pages

89-94

issue

1

eissn

0720-048X

issn

1872-7727

pii

S0720-048X(10)00601-7

journal_volume

81

pub_type

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