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. 2015 Feb 17;27(3):216–221. doi: 10.1016/j.jsha.2015.02.005

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© 2015 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

(A) Angiographic result after DES (2.25 × 14 mm) implantation in RCA. (B) Retrograde Sion guidewire and Corsair in tortuous screw-like epicardial collateral. (C) Successful externalization of retrograde RG3 guidewire (Asahi Intecc Co., Japan). (D) Left angiogram after DES implantation in mid LAD through the retrograde guidewire, and in mid-D1through an antegrade guidewire. (E) Right angiogram showing extravasation of contrast media at the distal end of the epicardial collateral, after the removal of retrograde guidewire and insertion of an antegrade guidewire in LAD. Abbreviations: D1 = first diagonal; DES = drug eluting stent; RCA = right coronary artery. The letter « M » showed the radio-opaque tip of the microcatheter.