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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. 1 — Case 1. (Solid black arrows, wherever present, indicate the tip of the Corsair microcatheter (CM), and white arrows delineate the septal collateral channel used.) A. Right coronary artery (RCA) angiogram showing proximal-mid segment chronic total occlusion (CTO, broken arrows) with obstructive disease further downstream as well. B. Left coronary angiogram and C. contrast injection through CM delineating channel selected for retrograde RCA CTO recanalization. D. The CM has been advanced into the distal end of the RCA CTO. E. Balloon dilatation of intra-CTO channel created by anterograde wire. F. The CM has been advanced into the RCA guiding catheter over the retrograde wire. G. Dilatation of RCA CTO by balloon catheter introduced anterogradely over a femoro-femoral trans-coronary wire-loop. H. Final angiogram after RCA stenting shows successful outcome.