Magnetic resonance angiography of peripheral runoff vessels

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Presentation transcript:

Magnetic resonance angiography of peripheral runoff vessels Jeffrey P. Carpenter, MD, Rodney S. Owen, MD, Richard A. Baum, MD, Constantin Cope, MD, Clyde F. Barker, MD, Henry D. Berkowitz, MD, Michael A. Golden, MD, Leonard J. Perloff, MD Journal of Vascular Surgery Volume 16, Issue 6, Pages 807-815 (December 1992) DOI: 10.1016/0741-5214(92)90042-7 Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 1 Results of imaging by contrast arteriography and MRA in 73-year-old man with nonhealing ulcer of left foot. Contrast arteriogram (A) shows only small collateral vessels in distal foot and no vessels suitable for use in distal bypass procedure. MRA (B) is shown in lateral projection (H, heel). Patent anterior tibial artery is seen (arrow). Axial MRA section (C) from level of distal leg shows anterior tibial artery (arrow). Tibial (T) and fibula (F) can be seen. Stacked axial images are reconstructed to form MRA. Anterior tibial artery was explored operatively and found to be patent. Successful limb-salvage procedure was performed based on these findings. Completion arteriogram (D) is shown. Journal of Vascular Surgery 1992 16, 807-815DOI: (10.1016/0741-5214(92)90042-7) Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 2 Comparison of patent vessel segments imaged by MRA and contrast arteriography. Lower leg arteries were divided into 14 segments that were scored as patent or occluded. Number of patent segments imaged by each technique is shown for each location. MRA identified every patent vessel segment seen by arteriography (sensitivity of 100%). An additional 106 segments (24%), which were unseen by arteriography, were found to be patent on MRA. These patent vessel segments were scored further for presence of hemodynamically significant stenoses (see text). Journal of Vascular Surgery 1992 16, 807-815DOI: (10.1016/0741-5214(92)90042-7) Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 3 Comparison of patent vessel segments imaged by MRA and arteriography by location. Increased sensitivity of MRA is noted at every location but is greatest in distal segments (49% greater sensitivity). Journal of Vascular Surgery 1992 16, 807-815DOI: (10.1016/0741-5214(92)90042-7) Copyright © 1992 Society for Vascular Surgery and the North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions