Stent angioplasty of iliac artery stenoses under MR-control: initial clinical results

Citation
C. Manke et al., Stent angioplasty of iliac artery stenoses under MR-control: initial clinical results, ROFO-F RONT, 172(1), 2000, pp. 92-97
Citations number
19
Language
TEDESCO
art.tipo
Article
Categorie Soggetti
Radiology ,Nuclear Medicine & Imaging
Journal title
ROFO-FORTSCHRITTE AUF DEM GEBIET DER RONTGENSTRAHLEN UND DER BILDGEBENDEN VERFAHREN
ISSN journal
0936-6652 → ACNP
Volume
172
Issue
1
Year of publication
2000
Pages
92 - 97
Database
ISI
SICI code
0936-6652(200001)172:1<92:SAOIAS>2.0.ZU;2-M
Abstract
Purpose: To investigate the feasibility of MR-guided stent angioplasty of i liac artery stenoses under passive visualization. Material and Methods: Thr ee patients with short, concentric stenoses of the iliac arteries were enro lled. The vascular interventions were performed on a 1.5 T MR scanner (Magn etom Symphony, Siemens, Erlangen, Germany). Stents, guidewires, and balloon catheters were visualized on the basis of susceptibility artifacts. Contra st-enhanced MR angiography (ceMRA) was used to localized the stenosis prior to stent deployment. Nitinol stents were placed under MR-guidance using a fast 2D gradient echo technique. Balloon dilatiation was performed with an angioplasty catheter inflated with diluted gadolinium-DTPA. Postinterventio nal results were evaluated by ceMRA, DSA, and Doppler indices. Results: Pos ition of the stent, stent deployment, and balloon dilatation were depicted by MR. All stents were correctly placed within the stenosis. Stent position s as monitored by MRI were identical to those seen on DSA images. All patie nts were treated successfully by the MR-guided intervention. Conclusion: An MR-guided stent angioplasty of simple iliac artery stenoses is feasible un der passive visualization.