{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,6]],"date-time":"2023-10-06T07:18:32Z","timestamp":1696576712124},"reference-count":37,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2016,2,15]],"date-time":"2016-02-15T00:00:00Z","timestamp":1455494400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Clinical Ultrasound"],"published-print":{"date-parts":[[2016,7,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Left atrial appendage (LAA) flow velocity has not been extensively studied in patients with severe aortic stenosis (AS) undergoing transcatheter aortic valve implantation (TAVI). The aim of this study was to assess the impact of TAVI on LAA flow velocity.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Medical records of consecutive TAVI recipients were reviewed retrospectively. Patients with persistent atrial fibrillation were excluded. LAA velocities were measured before and after TAVI by transesophageal echocardiography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Sixty\u2010one patients were included. Mean LAA emptying (EV) and filling (FV) flow velocity before TAVI were 33 \u00b1 16 cm\/s and 31 \u00b1 14 cm\/s, respectively. They increased to 37 \u00b1 20 (<jats:italic>p<\/jats:italic> = 0.0036) and 33 \u00b1 13 cm\/s (<jats:italic>p<\/jats:italic> = 0.047) after TAVI in the whole population sample, but not in patients with normal flow AS. In low\u2010flow, low\u2010gradient (LFLG) AS patients, EV and FV increased from 36 \u00b1 22 to 47 \u00b1 30 cm\/s (<jats:italic>p<\/jats:italic> &lt; 0.01), and from 29 \u00b1 12 to 40 \u00b1 15 cm\/s (<jats:italic>p<\/jats:italic> &lt; 0.01), respectively, after TAVI. There was no difference between normal flow and LFLG AS patients in the number of patients who achieved EV \u2265 40 cm\/s post\u2010TAVI (35% versus 47%, <jats:italic>p<\/jats:italic> = 0.54, respectively).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>LAA EV and FV were low prior to TAVI and increased significantly after TAVI only in patients with LFLG AS. \u00a9 2016 Wiley Periodicals, Inc. <jats:italic>J Clin Ultrasound<\/jats:italic> <jats:bold>44<\/jats:bold>:375\u2013382, 2016<\/jats:p><\/jats:sec>","DOI":"10.1002\/jcu.22347","type":"journal-article","created":{"date-parts":[[2016,2,15]],"date-time":"2016-02-15T12:24:36Z","timestamp":1455539076000},"page":"375-382","source":"Crossref","is-referenced-by-count":0,"title":["Impact of transcatheter aortic valve implantation on left atrial appendage flow velocities"],"prefix":"10.1002","volume":"44","author":[{"given":"Tomo","family":"Ando","sequence":"first","affiliation":[{"name":"Department of Internal Medicine, Mount Sinai Beth Israel Icahn School of Medicine at Mount Sinai New York NY 10003"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anthony A.","family":"Holmes","sequence":"additional","affiliation":[{"name":"Department of Internal Medicine, Montefiore Medical Center Albert Einstein College of Medicine Bronx NY 10467"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David P.","family":"Slovut","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Montefiore Medical Center Albert Einstein College of Medicine Bronx NY 10467"},{"name":"Department of Cardiothoracic and Vascular Surgery, Montefiore Medical Center Albert Einstein College of Medicine Bronx NY 10467"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cynthia C.","family":"Taub","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Montefiore Medical Center Albert Einstein College of Medicine Bronx NY 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