{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,11]],"date-time":"2025-11-11T13:39:21Z","timestamp":1762868361981,"version":"3.37.3"},"reference-count":7,"publisher":"Oxford University Press (OUP)","issue":"6","license":[{"start":{"date-parts":[[2020,12,7]],"date-time":"2020-12-07T00:00:00Z","timestamp":1607299200000},"content-version":"vor","delay-in-days":6,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,12,1]]},"abstract":"Abstract<\/jats:title>\n \n Background<\/jats:title>\n Increasing number of symptomatic patients with severe aortic stenosis is treated with transcatheter aortic valve implantation (TAVI). Stroke is one of the most serious complications of TAVI, and the majority of cerebral events in patients undergoing TAVI have an embolic origin.<\/jats:p>\n <\/jats:sec>\n \n Case summary<\/jats:title>\n A 90-year-old female underwent trans-femoral TAVI for symptomatic severe aortic stenosis. Just before the implantation of the transcatheter heart valve (THV), transoesophageal echocardiography (TOE) showed a mobile, high-echoic mass attached to the THV, which gradually enlarged to 26\u2009mm, then spontaneously detached from the THV and flowed up the ascending aorta, disappearing from the TOE field of. After the procedure, the patient presented with ischaemic stroke. The patient\u2019s stroke was thought to have resulted from the embolism migrating to the distal cerebral arteries.<\/jats:p>\n <\/jats:sec>\n \n Discussion<\/jats:title>\n The detailed images acquired with TOE during TAVI enabled the prompt identification of the unusual intracardiac mass.<\/jats:p>\n <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytaa392","type":"journal-article","created":{"date-parts":[[2020,12,9]],"date-time":"2020-12-09T09:59:15Z","timestamp":1607507955000},"page":"1-4","source":"Crossref","is-referenced-by-count":1,"title":["Real-time observation of a high-echoic mass in the left ventricle during transcatheter aortic valve implantation: a case report"],"prefix":"10.1093","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0519-7178","authenticated-orcid":false,"given":"Akiko","family":"Masumoto","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, 2-1-1 Minatojima-minamimachi, Chuo-ku, Kobe 6500047, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2416-5865","authenticated-orcid":false,"given":"Takeshi","family":"Kitai","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, 2-1-1 Minatojima-minamimachi, Chuo-ku, Kobe 6500047, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mitsuhiko","family":"Ota","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kitae","family":"Kim","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natsuhiko","family":"Ehara","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, 2-1-1 Minatojima-minamimachi, Chuo-ku, Kobe 6500047, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yutaka","family":"Furukawa","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Medicine, Kobe City Medical Center General Hospital, 2-1-1 Minatojima-minamimachi, Chuo-ku, Kobe 6500047, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2020,12,7]]},"reference":[{"key":"2021010812230196100_ytaa392-B1","doi-asserted-by":"crossref","first-page":"592","DOI":"10.1001\/jama.2016.10302","article-title":"Effect of a cerebral protection device on brain lesions following transcatheter aortic valve implantation in patients with severe aortic stenosis: the CLEAN-TAVI randomized clinical trial","volume":"316","author":"Haussig","year":"2016","journal-title":"JAMA"},{"key":"2021010812230196100_ytaa392-B2","doi-asserted-by":"crossref","first-page":"367","DOI":"10.1016\/j.jacc.2016.10.023","article-title":"Protection against cerebral embolism during transcatheter aortic valve replacement","volume":"69","author":"Kapadia","year":"2017","journal-title":"J Am Coll Cardiol"},{"key":"2021010812230196100_ytaa392-B3","doi-asserted-by":"crossref","first-page":"1340","DOI":"10.1093\/eurheartj\/ehy880","article-title":"Cerebral embolic protection during TAVI: prevent the unpreventable?","volume":"40","author":"Abdel-Wahab","year":"2019","journal-title":"Eur Heart J"},{"key":"2021010812230196100_ytaa392-B4","doi-asserted-by":"crossref","first-page":"1879","DOI":"10.2174\/1381612822666151217122610","article-title":"Mechanisms and prevention of TAVI-related cerebrovascular events","volume":"22","author":"Ghanem","year":"2016","journal-title":"Curr Pharm Des"},{"key":"2021010812230196100_ytaa392-B5","doi-asserted-by":"crossref","first-page":"1245","DOI":"10.1161\/CIRCULATIONAHA.112.092544","article-title":"Cerebral embolization during transcatheter aortic valve implantation: a transcranial Doppler study","volume":"126","author":"Kahlert","year":"2012","journal-title":"Circulation"},{"key":"2021010812230196100_ytaa392-B6","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1155\/2015\/572681","article-title":"Changes of the eSheath outer dimensions used for transfemoral transcatheter aortic valve replacement","volume":"2015","author":"Koehler","year":"2015","journal-title":"Biomed Re Int"},{"key":"2021010812230196100_ytaa392-B7","doi-asserted-by":"crossref","first-page":"1334","DOI":"10.1093\/eurheartj\/ehy847","article-title":"Rate of peri-procedural stroke observed with cerebral embolic protection during transcatheter aortic valve replacement: a patient-level propensity-matched analysis","volume":"40","author":"Seeger","year":"2019","journal-title":"Eur Heart J"}],"container-title":["European Heart Journal - 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