Antegrade disobliteration of a chronic total coronary occlusion (CTO) may be technically difficult in spite of the use of customized equipment. Retrograde approaches via intramyocardial septal or bypass grafts have been described. We report a successful Percutaneous intervention of a proximal circumflex CTO using a retrograde approach via an epicardial collateral. © 2006 Wiley-Liss, Inc.
Lane RE, Ilsley CD, Wallis W, Dalby M Percutaneous coronary intervention of a circumflex chronic total occlusion using an epicardial collateral retrograde approach.
Catheter Cardiovasc Interv. 2007 May 1;69(6):842-4.