Abstract
Infra-inguinal arterial chronic total occlusions remain a challenging scenario for the endovascular practitioner. Retrograde access has quickly become an essential tool in approaching such lesions, increasing the chances of crossing success. When antegrade and retrograde access techniques fail in achieving lesion crossing, re-entry devices have proven to be useful. Their use is however, somewhat limited by the size of the sheaths required to accommodate their passage. As newer and slimmer profiled sheaths become available, the possibilities of interventions available from minimally invasive approaches increases. We present 2 complex arterial revascularization cases that required intravascular ultrasound-based re-entry devices utilizing a pedal retrograde access.
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