{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T21:50:15Z","timestamp":1791237015872,"version":"4.1.0"},"reference-count":15,"publisher":"Oxford University Press (OUP)","issue":"7","license":[{"start":{"date-parts":[[2025,6,18]],"date-time":"2025-06-18T00:00:00Z","timestamp":1750204800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"East Slovak Institute of Cardiovascular Diseases"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,7,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Aortic valve damage is the most common valvular heart disease in developed countries. The Ross procedure is an alternative to the aortic valve replacement with a prosthesis, providing a longer survival without reoperation and without the need for anticoagulation therapy. The unavailability of homografts for the pulmonary valve replacement is one of the limiting factors for a more common utilization of this therapeutic method.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Case summary<\/jats:title>\n                  <jats:p>This case report presents a 35-year-old Caucasian male with a bicuspid aortic valve and severe aortic regurgitation. The patient underwent the Ross procedure with the stabilization of the aortic ring and sinotubular junction. A tubular prosthesis was created from the bovine pericardium, into which three neo-cusp valves were fashioned from autologous pericardium. The new pulmonary conduit was sutured distally to the distal pulmonary trunk and proximally to the right ventricular outflow tract. Four months post-operatively, the follow-up echocardiographic examination documented that the valve in the aortic position had no regurgitation, a maximum velocity of 1.25\u2005m\/s, and a peak gradient of 6.25\u2005mmHg. The valve in the pulmonary position showed a trace regurgitation and mean pressure gradient of 13\u2005mmHg.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Discussion<\/jats:title>\n                  <jats:p>The combination of the modified Ross procedure with neo-cuspidalization according to Ozaki for a new pulmonary valve thus offers hope for an extended survival without reoperation in paediatric and non-elderly adult patients with an aortic valve dysfunction. This technique is additionally applicable by cardiac surgery centres without access to pulmonary homografts.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/ehjcr\/ytaf291","type":"journal-article","created":{"date-parts":[[2025,6,27]],"date-time":"2025-06-27T18:03:30Z","timestamp":1751047410000},"source":"Crossref","is-referenced-by-count":1,"title":["Pulmonary valve neo-reconstruction using the Ozaki technique in an adapted Ross procedure: case report"],"prefix":"10.1093","volume":"9","author":[{"given":"Adri\u00e1n","family":"Koles\u00e1r","sequence":"first","affiliation":[{"name":"Department of Heart Surgery, East Slovak Institute of Cardiovascular Diseases and Medical Faculty, University of Pavol Jozef \u0160af\u00e1rik , 04011 Ko\u0161ice ,","place":["Slovakia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u0160tefan","family":"Luka\u010d\u00edn","sequence":"additional","affiliation":[{"name":"Department of Heart Surgery, East Slovak Institute of Cardiovascular Diseases and Medical Faculty, University of Pavol Jozef \u0160af\u00e1rik , 04011 Ko\u0161ice ,","place":["Slovakia"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vil\u00e9m","family":"Rohn","sequence":"additional","affiliation":[{"name":"I. Surgery Department\u2014Cardiovascular Surgery, General University Hospital and Second Faculty of Medicine, Charles University , 12808 Prague ,","place":["Czech Republic"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaroslav","family":"Bened\u00edk","sequence":"additional","affiliation":[{"name":"Department of Cardiac Surgery, Na Homolce Hospital , 15030 Prague ,","place":["Czech Republic"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4195-5180","authenticated-orcid":false,"given":"Tom\u00e1\u0161","family":"Toporcer","sequence":"additional","affiliation":[{"name":"Department of Heart Surgery, East Slovak Institute of Cardiovascular Diseases and Medical Faculty, University of Pavol Jozef \u0160af\u00e1rik , 04011 Ko\u0161ice 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