{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T08:51:13Z","timestamp":1792313473199,"version":"4.4.0"},"reference-count":30,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2006,6,19]],"date-time":"2006-06-19T00:00:00Z","timestamp":1150675200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Magnetic Resonance Imaging"],"published-print":{"date-parts":[[2006,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To investigate the utility of MR and X\u2010ray imaging for characterizing aortic coarctation and flow, and guiding the endovascular catheter to place a stent to repair the coarctation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>The descending aorta in eight dogs was looped with elastic band and tightened distal to the subclavian artery. Balanced fast field echo (bFFE) and velocity\u2010encoded cine (VEC) MRI sequences were used for device tracking and measuring aortic flow. A T1\u2010weighted fast\u2010field echo sequence (T1\u2010FFE) was used to visualize the coarctation and roadmap the aorta. Nitinol stents were guided by a nitinol guidewire and placed under MR guidance.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Aortic coarctation was visible on MR and X\u2010ray imaging. The procedure success rate was 88%. VEC MRI measured the changes in aortic flow (baseline = 1.3 \u00b1 0.2, coarctation = 0.2 \u00b1 0.02, and stent placement = 0.8 \u00b1 0.1 liters\/minute). A significant reduction in iliac blood pressure was measured after coarctation, but it was reversed by stent placement. The stent lumen was visible on X\u2010ray fluoroscopy, but not on MRI.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Stent deployment to repair aortic coarctation is feasible under MR guidance. The combined use of MR and X\u2010ray imaging is effective for anatomic and functional evaluation of aortic coarctation dilation, which may be crucial for optimal therapy. J. Magn. Reson. Imaging 2006. \u00a9 2006 Wiley\u2010Liss, Inc.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jmri.20631","type":"journal-article","created":{"date-parts":[[2006,6,19]],"date-time":"2006-06-19T20:33:28Z","timestamp":1150749208000},"page":"371-378","source":"Crossref","is-referenced-by-count":14,"title":["Delivery and assessment of endovascular stents to repair aortic coarctation using MR and X\u2010ray imaging"],"prefix":"10.1002","volume":"24","author":[{"given":"Maythem","family":"Saeed","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christine 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