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. 2022 May 11;9:854554. doi: 10.3389/fcvm.2022.854554

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Copyright © 2022 Gupta, Shrivastava, Vijayvergiya, Chhikara, Datta, Aziz, Singh Meena, Nath and Kumar.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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OCT in bifurcation angioplasty. (A,B) Coronary angiography showed a significant left main (LM) bifurcation lesion (Medina 1.1.1). (C) Pre-PCI OCT showed the carina tip (CT) angle of 70° and CT to bifurcation point (CT-BP length) of 2 mm suggestive of bifurcation lesion suitable for provisional stenting without the risk of side branch (SB) compromise. (D) An OCT-guided LM-LAD cross-over stenting was done followed by the proximal optimization technique (POT) with balloons of appropriate size. (E) Post-PCI angiography showed TIMI III flow in left coronary system without LCx compromise. Post-PCI OCT showed well-apposed stent with 87% expansion (F), without proximal or distal edge dissection (G,J) and minimal stent struts across LCx ostium (H). 3D reconstruction showed minimal inappropriate stent apposition across LCx ostium with link-free carina (I).