{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,21]],"date-time":"2026-09-21T19:22:17Z","timestamp":1790018537202,"version":"4.0.1"},"reference-count":28,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2020,11,24]],"date-time":"2020-11-24T00:00:00Z","timestamp":1606176000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2021,1,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p\/>\n               <jats:sec>\n                  <jats:title>OBJECTIVES<\/jats:title>\n                  <jats:p>Prolonged operative times, potentially leading to increased morbidity, are a possible drawback of minimally invasive aortic valve replacement. The aim of this study was to assess the impact of anatomical circumstances in the chest on aortic cross-clamp time.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>METHODS<\/jats:title>\n                  <jats:p>This retrospective study included 68 patients who underwent minimally invasive aortic valve replacement with the Perceval sutureless valve via right-anterior thoracotomy or with ministernotomy. Anatomical variables were measured during preoperative computer tomography scans.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>RESULTS<\/jats:title>\n                  <jats:p>Aortic cross-clamp time was shorter in those having ministernotomy than in the right-anterior thoracotomy group (41.1 vs 52.3\u2009min; P\u2009&amp;lt;\u20090.001). Cardiopulmonary bypass (CPB) time was not significantly different between groups (P\u2009=\u20090.09). A multivariable linear-regression model (P\u2009=\u20090.018) showed the aortic dextroposition variable to be a significant predictor of the aortic cross-clamp method and CPB times (P\u2009=\u20090.005 and P\u2009=\u20090.003) independent of other anatomical variables in the right thoracotomy group (10\u2009mm deviation from optimal position prolonged the times for 240 and 600\u2009s). For the whole cohort, a correlation between aortic valve dimensions and operative times was found (P\u2009=\u20090.046, P\u2009=\u20090.009). A linear-regression model (P\u2009=\u20090.046) predicted 90\u2009s longer aortic cross-clamp time and 231\u2009s longer CPB time for every 1\u2009mm smaller aortic valve diameter.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>CONCLUSIONS<\/jats:title>\n                  <jats:p>The anatomical variables are associated with the operative times in minimally invasive aortic valve replacement with sutureless valves. Considering this association, preplanning the procedure is recommended.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/icvts\/ivaa251","type":"journal-article","created":{"date-parts":[[2020,10,1]],"date-time":"2020-10-01T03:22:57Z","timestamp":1601522577000},"page":"204-212","source":"Crossref","is-referenced-by-count":10,"title":["Anatomical circumstances and aortic cross-clamp time in minimally invasive aortic valve replacement"],"prefix":"10.1093","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4326-7982","authenticated-orcid":false,"given":"Jure","family":"Jug","sequence":"first","affiliation":[{"name":"Faculty of Medicine, Chair of Surgery, University of Ljubljana, Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zdravko","family":"\u0160tor","sequence":"additional","affiliation":[{"name":"Department of Abdominal Surgery, University Medical Centre Ljubljana, Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1559-1168","authenticated-orcid":false,"given":"Borut","family":"Ger\u0161ak","sequence":"additional","affiliation":[{"name":"Faculty of Medicine, Chair of Surgery, University of Ljubljana, Ljubljana, Slovenia"},{"name":"Nisteri, Medicine and Research, Ljubljana, Slovenia"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2020,11,24]]},"reference":[{"key":"2022030919154911700_ivaa251-B1","doi-asserted-by":"crossref","first-page":"1060","DOI":"10.1016\/j.jtcvs.2015.01.014","article-title":"Minimally invasive aortic valve replacement provides equivalent outcomes at reduced cost compared with conventional aortic valve replacement: a real-world multi-institutional analysis","volume":"149","author":"Ghanta","year":"2015","journal-title":"J Thorac Cardiovasc 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