Endovascular recanalization (guidewire traversal) of peripheral artery chronic total occlusion (CTO) can be challenging. X-ray angiography resolves CTO poorly. Virtually “blind” device advancement during x-ray–guided interventions can lead to procedure failure, perforation, and hemorrhage. Alternatively, MRI may delineate the artery within the occluded segment to enhance procedural safety and success. We hypothesized that real-time MRI (rtMRI)–guided CTO recanalization can be accomplished in an animal model.
Publication information
Raval AN, Karmarkar PV, Guttman MA, Ozturk C, Sampath S, de Silva R, Aviles RJ, Xu M, Wright VJ, Schenke WH, Kocaturk O, Dick AJ, Raman VK, Atalar E, McVeigh ER, Lederman RJ. Real-time magnetic resonance imaging-guided endovascular recanalization of chronic total arterial occlusion in a swine model.Circulation 2006;113:1101-1107.