AUTHOR=Zhang Haoran , Zhang Donghui TITLE=Delayed coronary obstruction leading to death following balloon dilation in self-expanding aortic valve for acute coronary occlusion: a case report JOURNAL=Frontiers in Cardiovascular Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/cardiovascular-medicine/articles/10.3389/fcvm.2025.1440231 DOI=10.3389/fcvm.2025.1440231 ISSN=2297-055X