CTO Control Tower Operator questions with correct answers

Traditional CTO modalities - Answer .035 stiff guidewires .014 extra support coronary wires Crossing support catheters Subintimal Navigation and Implications - Answer *Poor long term outcomes *Perforation, Dissection, Loss of Collaterals *Accelerated intimal hyperplasia Collateral Compromise - Answer Up to 47% loss distally and 26% loss proximally Extension of Treatment Site - Answer Due to inability to re-access the lumen at the exact site of the distal end of the lesion. Intravascular Ultrasound (IVUS) - Answer Can help differentiate 4 types of plaque. Fibrous, Fibro-fatty, Necrotic, dense calcium Re-Entry Devices - Answer *Boston Scientific - Off Road *Cordis - LTD Outback *Volcano Pioneer *All non-reimbursable Crossing Cather Market Overview - Answer *.014, .018, .035 wire configurations *65, 90, 135, 150 cm lengths