{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T05:36:57Z","timestamp":1789537017314,"version":"build-2803163510"},"reference-count":25,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,12,27]],"date-time":"2019-12-27T00:00:00Z","timestamp":1577404800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cathet Cardio Intervent"],"published-print":{"date-parts":[[2020,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Postdilatation after transcatheter heart valve (THV) implantation was associated with larger aortic valve areas in large\u2010scale registries; however, the specific effects of postdilatation are poorly understood.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods and Results<\/jats:title><jats:p>Among a total of 224 consecutive patients who underwent transcatheter aortic valve replacement using SAPIEN 3, 121 patients (54.0%) underwent postdilatation (same contrast volume: <jats:italic>N<\/jats:italic> = 101, +1 ml: <jats:italic>N<\/jats:italic> = 17, +2 ml: <jats:italic>N<\/jats:italic> = 3). THV diameter was assessed (a) during, (b) after implantation, (c) during postdilatation, and (d) after postdilatation by quantitative fluoroscopy. In the overall patients (<jats:italic>N<\/jats:italic> = 224), acute recoil was observed from during implantation (23.0\u2009\u00b1\u20092.0\u2009mm) to after implantation (22.5\u2009\u00b1\u20092.0\u2009mm, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001) with an absolute recoil of 0.52\u2009\u00b1\u20090.25\u2009mm. After postdilatation (<jats:italic>N<\/jats:italic> = 121), THV diameter significantly increased from 22.5\u2009\u00b1\u20092.0\u2009mm to 22.9\u2009\u00b1\u20092.1\u2009mm (<jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001), with smaller absolute recoil (0.39\u2009\u00b1\u20090.21\u2009mm, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001). Compared with those who did not undergo postdilatation, patients who underwent postdilatation had larger postprocedural THV area assessed by multi\u2010slice computed tomography (471.4\u2009\u00b1\u200978.1\u2009mm<jats:sup>2<\/jats:sup> vs. 447.5\u2009\u00b1\u200976.3\u2009mm<jats:sup>2<\/jats:sup>, <jats:italic>p<\/jats:italic> = .02) and larger effective orifice area (EOA) assessed by echocardiography throughout 1 year (at 30 day, 1.66\u2009\u00b1\u20090.33\u2009cm<jats:sup>2<\/jats:sup> vs. 1.45\u2009\u00b1\u20090.27\u2009cm<jats:sup>2<\/jats:sup>, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001; at 6 month, 1.66\u2009\u00b1\u20090.33\u2009cm<jats:sup>2<\/jats:sup> vs. 1.44\u2009\u00b1\u20090.29\u2009cm<jats:sup>2<\/jats:sup>, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001; at 1 year, 1.69\u2009\u00b1\u20090.38\u2009cm<jats:sup>2<\/jats:sup> vs. 1.47\u2009\u00b1\u20090.30\u2009cm<jats:sup>2<\/jats:sup>, <jats:italic>p<\/jats:italic>\u2009&lt;\u2009.001).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Postdilatation after implantation of the SAPIEN 3 valve produced a larger THV diameter with less acute recoil, followed by larger EOA throughout 1 year. Further studies are needed to evaluate the impact of postdilatation on long\u2010term clinical outcomes.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ccd.28676","type":"journal-article","created":{"date-parts":[[2019,12,27]],"date-time":"2019-12-27T11:49:37Z","timestamp":1577447377000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Effect of postdilatation following balloon expandable transcatheter aortic valve implantation"],"prefix":"10.1002","volume":"96","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2776-2481","authenticated-orcid":false,"given":"Tomohiro","family":"Kawaguchi","sequence":"first","affiliation":[{"name":"Department of Cardiology Kokura Memorial Hospital  Kitakyushu Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kyohei","family":"Yamaji","sequence":"additional","affiliation":[{"name":"Department of Cardiology Kokura Memorial Hospital  Kitakyushu 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