{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,18]],"date-time":"2026-07-18T14:56:37Z","timestamp":1784386597709,"version":"3.55.0"},"reference-count":13,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2024,8,6]],"date-time":"2024-08-06T00:00:00Z","timestamp":1722902400000},"content-version":"vor","delay-in-days":5,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,8,2]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Aortic insufficiency (AI) is often encountered in transcatheter aortic valve replacement (TAVR) but is only rarely haemodynamically significant. Even more uncommon is the occurrence of intraprosthetic AI that often leads to haemodynamic compromise requiring additional therapeutic intervention.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>An 85-year-old female with severe aortic stenosis underwent elective TAVR with a size 23\u2005mm SAPIEN 3 Ultra RESILIA (S3UR) valve. After implantation, the patient developed hypotension. Transthoracic as well as transoesophageal echocardiogram identified significant transvalvular AI. Persistence of AI led the team to consider a TAV-in-TAV strategy. Before a second valve system could be inserted, the patient\u2019s blood pressure improved and AI resolved spontaneously. The patient was discharged and recovered with no AI on follow-up imaging studies.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>This is the first reported case of significant intraprosthetic AI with the new S3UR in our literature search as of writing. The new S3UR valve has several improvements from previous generations designed to increase valve area and durability as well as decreasing the incidence of paravalvular and intraprosthetic leaks. A stuck leaflet was inferred as the cause of the intraprosthetic AI, and the improved design with excessive expansion may have led to this. Unlike previous case reports, intraprosthetic AI resolved without further intervention likely due to the turbulence of flow releasing the stuck leaflet. Cautious observation prevented the need for a TAV-in-TAV for a rare and possibly catastrophic complication.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytae402","type":"journal-article","created":{"date-parts":[[2024,8,3]],"date-time":"2024-08-03T06:37:27Z","timestamp":1722667047000},"source":"Crossref","is-referenced-by-count":1,"title":["Severe intraprosthetic aortic insufficiency immediately after implantation of a SAPIEN 3 Ultra RESILIA valve with spontaneous resolution: case report"],"prefix":"10.1093","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-8605-0520","authenticated-orcid":false,"given":"Juan Armando","family":"Diaz","sequence":"first","affiliation":[{"name":"Cardiovascular Medicine, Asia Medical Group, Sapporo Heart Center, Sapporo Cardio Vascular Clinic , North 49, East 16, 8-1, Higashi Ward, Sapporo 007-0849 , Japan"},{"name":"Makati Medical Center , Makati , 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