Three-dimensional reconstruction of autologous vein bypass graft distal anastomoses imaged with magnetic resonance: clinical and research applications

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Presentation transcript:

Three-dimensional reconstruction of autologous vein bypass graft distal anastomoses imaged with magnetic resonance: clinical and research applications Mark J Jackson, FRACS, Colin D Bicknell, MRCS, Vasielios Zervas, MD, Nicholas J.W Cheshire, MD, FRCS, Spencer J Sherwin, PhD, Sergio Giordana, BEng, Joaquim Peiró, PhD, Yannis Papaharilaou, PhD, Dennis J Doorly, PhD, Colin G Caro, BSc, MD, FRCP Journal of Vascular Surgery Volume 38, Issue 3, Pages 621-625 (September 2003) DOI: 10.1016/S0741-5214(03)00604-9

Fig 1 Examples of three-dimensional reconstruction of distal anastomotic region of six grafts. Journal of Vascular Surgery 2003 38, 621-625DOI: (10.1016/S0741-5214(03)00604-9)

Fig 2 Comparison between operative appearance of a tibioperoneal trunk anastomosis after restoration of flow (a) and postoperative (1 week) reconstruction (b). Distal tibioperoneal trunk, thought patent at completion of the procedure, is occluded, and main run-off is via the anterior tibial artery, slung deep within the wound. Graft also demonstrates greater angulation and curvature above the anastomosis, and the hood of the graft is distended. Journal of Vascular Surgery 2003 38, 621-625DOI: (10.1016/S0741-5214(03)00604-9)

Fig 3 Initial postoperative (a) and 7-month follow-up (b) reconstructions of anterior tibial artery anastomosis. c, Change in cross-sectional area of the distal graft, focally decreased at a distance between 4 and 5 mm up from the intersection point of the graft and host-vessel centerlines, is objectively recorded. Reconstructions can be compared with color duplex ultrasound scan (d) and angiographic image (e) of the same anastomosis. Journal of Vascular Surgery 2003 38, 621-625DOI: (10.1016/S0741-5214(03)00604-9)

Fig 4 a, Angles were defined as α, β, or γ. Differentiation between planar configuration (b) and nonplanar configuration (c) was possible by defining a plane for the host vessel and quantifying the angle where the graft met this plane. Journal of Vascular Surgery 2003 38, 621-625DOI: (10.1016/S0741-5214(03)00604-9)