{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T07:45:28Z","timestamp":1771919128251,"version":"3.50.1"},"reference-count":10,"publisher":"Oxford University Press (OUP)","issue":"1","license":[{"start":{"date-parts":[[2022,1,24]],"date-time":"2022-01-24T00:00:00Z","timestamp":1642982400000},"content-version":"vor","delay-in-days":23,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2022,1,4]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Coronary obstruction (CO) is an infrequent but life-threatening complication during transcatheter aortic valve replacement (TAVR).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>We report the case of a patient who accepted TAVR with high anatomical risks of CO due to the small congenital left coronary sinus, which was treated with preliminary coronary protection. This case highlighted the importance of computed tomography angiography (CTA) evaluation, 3D-printing stimulation, predilation as a reference sign, and pre-emptive chimney stenting technology to successfully anticipate and prevent CO during TAVR. At the 3rd month follow-up, CTA evaluation and 3D-printing simulation identified the chimney stenting of the left main coronary arterial patency.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>A \u2018four-step assessment\u2019 method also proposes a new clinical procedure on how to perform TAVR in patients with high risks of CO.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytac011","type":"journal-article","created":{"date-parts":[[2022,1,24]],"date-time":"2022-01-24T08:01:50Z","timestamp":1643011310000},"source":"Crossref","is-referenced-by-count":5,"title":["Coronary protection for the small left coronary sinus during transcatheter aortic valve replacement: a case report"],"prefix":"10.1093","volume":"6","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5911-8300","authenticated-orcid":false,"given":"Chen","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , 167 Beilishilu, Xicheng District, Beijing 100037, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guangyuan","family":"Song","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , 167 Beilishilu, Xicheng District, Beijing 100037, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guannan","family":"Niu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , 167 Beilishilu, Xicheng District, Beijing 100037, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9801-5950","authenticated-orcid":false,"given":"Yongjian","family":"Wu","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College , 167 Beilishilu, Xicheng District, Beijing 100037, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2022,1,24]]},"reference":[{"key":"2022081608433089600_ytac011-B1","first-page":"e72","article-title":"2020 ACC\/AHA guideline for the management of patients with valvular heart disease: a report of the American College of Cardiology\/American Heart Association Joint Committee on Clinical Practice Guidelines","volume":"143","author":"Otto","year":"2021","journal-title":"Circulation"},{"key":"2022081608433089600_ytac011-B2","doi-asserted-by":"crossref","first-page":"1167","DOI":"10.1053\/j.jvca.2020.07.066","article-title":"Rescue management of a coronary artery occlusion during a transcatheter aortic valve replacement","volume":"35","author":"Yadlapalli","year":"2021","journal-title":"J Cardiothorac Vasc Anesth"},{"key":"2022081608433089600_ytac011-B3","doi-asserted-by":"crossref","first-page":"1513","DOI":"10.1016\/j.jacc.2018.01.066","article-title":"Delayed coronary obstruction after transcatheter aortic valve replacement","volume":"71","author":"Jabbour","year":"2018","journal-title":"J Am Coll Cardiol"},{"key":"2022081608433089600_ytac011-B4","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/j.carrev.2017.09.006","article-title":"Clinical outcomes of coronary occlusion following transcatheter aortic valve replacement: a systematic 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TAVR: insights from the chimney registry","volume":"13","author":"Mercanti","year":"2020","journal-title":"JACC Cardiovasc Interv"}],"container-title":["European Heart Journal - Case 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