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. 2023 Feb 16;10(1):e002182. doi: 10.1136/openhrt-2022-002182

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© Author(s) (or their employer(s)) 2023. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Optical coherence tomography showing the results after using orbital atherectomy. (A) Circumferential thick calcium sheet. (B) Corresponding frame after being treated with orbital atherectomy. The arrow shows the concavity formed by the device. (C) Final result after completion of angioplasty and stent implantation.