Abstract
The risk of technical failure and the fear of peroperative iliac rupture limit the generalization of the recanalisations of TASC C-D aorto-iliac chronic total occlusions (CTO), especially for very calcified lesions. The risk factors (RF) of technical failure and iliac rupture have been little studied. We assumed that the anatomical characteristics of these occlusions, analyzable on the preoperative angio-CT, could predict these two risks.
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