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. 2012 Jul;64(4):388–393. doi: 10.1016/j.ihj.2012.05.003

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© 2012 Published by Elsevier B.V. on behalf of Cardiological Society of India.

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Fig. 2 — Case 2. (Solid black arrows, wherever present, indicate the tip of the Corsair microcatheter (CM), and white arrows delineate the septal collateral channel used.) A. Left coronary artery (LCA) angiogram showing mid-segment chronic total occlusion (CTO, broken arrows) of the left anterior descending (LAD) artery. B. Right coronary angiogram showing channel selected for retrograde LAD CTO recanalization. C. The CM has been advanced close to the distal end of the LAD CTO. D. The CM has been advanced into the LCA guiding catheter over the retrograde wire. E. Dilatation of LAD CTO by balloon catheter (broken arrow) introduced anterogradely over a femoro-femoral trans-coronary wire-loop. F. Right coronary angiogram, after anterograde LAD wiring and removal of CM, showing absence of injury in the septal channel used. G. Final LCA angiogram after LAD stenting showing successful outcome.