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. 2018 Jan 19;97(3):e9673. doi: 10.1097/MD.0000000000009673

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Copyright © 2018 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

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Bifurcation characteristics and the balloon block and support technique (BBST) procedure in case 1 and 2. A, B: Baseline angiography showed left anterior descending-first diagonal (LAD-D1) bifurcation lesions. C: Schematic diagram showing much more rapid LAD-D1 angulation than that apparent by visual estimation. D, E: Fluoroscopy showing that inflation of a balloon in the distal main branch facilitates side branch wiring. F, G: Baseline angiography showing left anterior descending-third diagonal (LAD-D3) bifurcation lesions and an extremely angulated D3. H: Schematic diagram depicting heavy plaque burden in the proximal main branch and rapid LAD-D3 angulation. I, J: Details of the BBST procedure.