The role of magnetic resonance angiography for endoprosthetic design

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Presentation transcript:

The role of magnetic resonance angiography for endoprosthetic design David G. Neschis, MDa, Omaida C. Velazquez, MDb, Richard A. Baum, MDc, David Roberts, MDc, Jeffrey P. Carpenter, MDb, Michael A. Golden, MDb, Marc E. Mitchell, MDb, Clyde F. Barker, MDb, Ann Pyeron, CRNPb, Ronald M. Fairman, MDb Journal of Vascular Surgery Volume 33, Issue 3, Pages 488-494 (March 2001) DOI: 10.1067/mva.2001.112211 Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 1 Gadolinium-enhanced MRA of an AAA with descending thoracic dissection. Note dissection continuing into left common iliac artery. A single right renal artery and two left renal arteries are demonstrated. Main left renal artery is fed partially by false lumen of dissection. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 2 A 2-D time of flight MRA of patient in Fig 1. Aneurysm is successfully excluded with preservation of all renal arteries. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 3 Gadolinium-enhanced MRA of saccular thoracic aortic aneurysm. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 4 Status of patient in Fig 3 after stent graft repair. Note limitation of MRA to demonstrate lumen within a stented graft. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 5 Delayed sequence gadolinium-enhanced MRA demonstrating value of visualizing true dimensions of aneurysm. This is patient's status after stent graft repair. No endoleak is observed. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 6 A 2-D time of flight MRA demonstrating large endoleak of uncertain etiology. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 7 Gadolinium-based contrast arteriogram of patient in Fig 6. This study identifies endoleak resulting from high-riding, patent inferior mesenteric artery that was successfully coil embolized. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions

Fig. 8 Gadolinium-enhanced MRA demonstrating ability to view vascular structures from all angles to best understand relative anatomy and tortuosity at computer workstation. Journal of Vascular Surgery 2001 33, 488-494DOI: (10.1067/mva.2001.112211) Copyright © 2001 Society for Vascular Surgery and The American Association for Vascular Surgery Terms and Conditions