{"id":{"repo_id":"aachen","oai_identifier":"oai:publications.rwth-aachen.de:50312"},"canonical_url":"https://search.dev.ndltd.org/etd/aachen/oai:publications.rwth-aachen.de:50312","repository":{"repo_id":"aachen","name":"RWTH Aachen University","base_url":"https://publications.rwth-aachen.de/oai2d"},"display":{"title":"Kurzzeitergebnisse nach operativem Aortenklappenersatz : echokardiographischer Vergleich der hämodynamischen Eigenschaften der St. Jude Medical óEpicƒ und der Carpentier-Edwards óPerimount 2900ƒ Aortenklappenprothese","abstract":"This study shows differences in the hemodynamical performance of the Carpentier-Edwards-Perimount (CEP) 2900 Herzklappenprothese and the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The Carpentier-Edwards-valve shows a better hemodynamical performance as compared to the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The mean pressure gradient of the CEP valve is lower (SJM: 14,80 ± 6,4 mmHg, CEP: 11,15 ± 4,18 mmHg; p = 0,004), and the absolute(AVA) and the indexed valve opening area(iEOA) are larger (AVA: CEP: 1,42 ± 0,44 cm², SJM: 1,11 ± 0,42 cm²; p = 0,004; iE-OA: CEP: 0,77 ± 0,19 cm²/m², SJM: 0,64 ± 0,25 cm²/m²; p = 0,019). The studydesign (retrospective) and the number of patients included (81) are limitations of the study. Further studies are needed, but the Carpentier Edwards Prothesis seems to have hemodynamical advantages.","abstract_html":"This study shows differences in the hemodynamical performance of the Carpentier-Edwards-Perimount (CEP) 2900 Herzklappenprothese and the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The Carpentier-Edwards-valve shows a better hemodynamical performance as compared to the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The mean pressure gradient of the CEP valve is lower (SJM: 14,80 ± 6,4 mmHg, CEP: 11,15 ± 4,18 mmHg; p = 0,004), and the absolute(AVA) and the indexed valve opening area(iEOA) are larger (AVA: CEP: 1,42 ± 0,44 cm², SJM: 1,11 ± 0,42 cm²; p = 0,004; iE-OA: CEP: 0,77 ± 0,19 cm²/m², SJM: 0,64 ± 0,25 cm²/m²; p = 0,019). The studydesign (retrospective) and the number of patients included (81) are limitations of the study. Further studies are needed, but the Carpentier Edwards Prothesis seems to have hemodynamical advantages.","abstract_has_math":false,"creators":["Welters, Sebastian"],"institution":"Publikationsserver der RWTH Aachen University","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["Autschbach, Rüdiger"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2008,"date_issued":"2008","date_published":"2008","updated_at":"2026-07-30T19:40:16Z","subjects":["info:eu-repo/classification/ddc/610","Aortenklappenersatz","Medizin","Aortenklappenprothese","echokardiographischer Vergleich","aortic valve prothesis","echocardiographical comparison"],"languages":["ger"],"rights":["info:eu-repo/semantics/openAccess"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-112862%22"],"render_values":[{"text":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-112862%22","href":"https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-112862%22","code":true}]}]},"links":{"outbound_url":"https://publications.rwth-aachen.de/record/50312","outbound_label":"Repository record","outbound_source":"dc:identifier"},"source_record":{"url":"https://publications.rwth-aachen.de/oai2d?verb=GetRecord&metadataPrefix=oai_dc&identifier=oai%3Apublications.rwth-aachen.de%3A50312","prefix":"oai_dc"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Autschbach, Rüdiger"]},{"key":"dc:creator","label":"Author","values":["Welters, Sebastian"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:coverage","label":"Dc Coverage","values":["DE"]},{"key":"dc:date","label":"Dc Date","values":["2008"]},{"key":"dc:publisher","label":"Institution","values":["Publikationsserver der RWTH Aachen University"]},{"key":"dc:relation","label":"Dc Relation","values":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-25015"]},{"key":"dc:type","label":"Dc Type","values":["info:eu-repo/semantics/doctoralThesis","info:eu-repo/semantics/publishedVersion"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["info:eu-repo/classification/ddc/610","Aortenklappenersatz","Medizin","Aortenklappenprothese","echokardiographischer Vergleich","aortic valve prothesis","echocardiographical comparison"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["ger"]},{"key":"dc:rights","label":"Dc Rights","values":["info:eu-repo/semantics/openAccess"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://publications.rwth-aachen.de/record/50312","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-112862%22"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["This study shows differences in the hemodynamical performance of the Carpentier-Edwards-Perimount (CEP) 2900 Herzklappenprothese and the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The Carpentier-Edwards-valve shows a better hemodynamical performance as compared to the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The mean pressure gradient of the CEP valve is lower (SJM: 14,80 ± 6,4 mmHg, CEP: 11,15 ± 4,18 mmHg; p = 0,004), and the absolute(AVA) and the indexed valve opening area(iEOA) are larger (AVA: CEP: 1,42 ± 0,44 cm², SJM: 1,11 ± 0,42 cm²; p = 0,004; iE-OA: CEP: 0,77 ± 0,19 cm²/m², SJM: 0,64 ± 0,25 cm²/m²; p = 0,019). The studydesign (retrospective) and the number of patients included (81) are limitations of the study. Further studies are needed, but the Carpentier Edwards Prothesis seems to have hemodynamical advantages."]},{"key":"dc:source","label":"Dc Source","values":["Aachen : Publikationsserver der RWTH Aachen University 80 S. : Ill., graph. Darst. (2008). = Aachen, Techn. Hochsch., Diss., 2008"]},{"key":"dc:title","label":"Title","values":["Kurzzeitergebnisse nach operativem Aortenklappenersatz : echokardiographischer Vergleich der hämodynamischen Eigenschaften der St. Jude Medical óEpicƒ und der Carpentier-Edwards óPerimount 2900ƒ Aortenklappenprothese"]}]}],"canonical_facts":{"dc:contributor":["Autschbach, Rüdiger"],"dc:coverage":["DE"],"dc:creator":["Welters, Sebastian"],"dc:date":["2008"],"dc:description":["This study shows differences in the hemodynamical performance of the Carpentier-Edwards-Perimount (CEP) 2900 Herzklappenprothese and the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The Carpentier-Edwards-valve shows a better hemodynamical performance as compared to the St.-Jude-Medical (SJM) Epic aortic valve prothesis. The mean pressure gradient of the CEP valve is lower (SJM: 14,80 ± 6,4 mmHg, CEP: 11,15 ± 4,18 mmHg; p = 0,004), and the absolute(AVA) and the indexed valve opening area(iEOA) are larger (AVA: CEP: 1,42 ± 0,44 cm², SJM: 1,11 ± 0,42 cm²; p = 0,004; iE-OA: CEP: 0,77 ± 0,19 cm²/m², SJM: 0,64 ± 0,25 cm²/m²; p = 0,019). The studydesign (retrospective) and the number of patients included (81) are limitations of the study. Further studies are needed, but the Carpentier Edwards Prothesis seems to have hemodynamical advantages."],"dc:identifier":["https://publications.rwth-aachen.de/record/50312","https://publications.rwth-aachen.de/search?p=id:%22RWTH-CONV-112862%22"],"dc:language":["ger"],"dc:publisher":["Publikationsserver der RWTH Aachen University"],"dc:relation":["info:eu-repo/semantics/altIdentifier/urn/urn:nbn:de:hbz:82-opus-25015"],"dc:rights":["info:eu-repo/semantics/openAccess"],"dc:source":["Aachen : Publikationsserver der RWTH Aachen University 80 S. : Ill., graph. Darst. (2008). = Aachen, Techn. Hochsch., Diss., 2008"],"dc:subject":["info:eu-repo/classification/ddc/610","Aortenklappenersatz","Medizin","Aortenklappenprothese","echokardiographischer Vergleich","aortic valve prothesis","echocardiographical comparison"],"dc:title":["Kurzzeitergebnisse nach operativem Aortenklappenersatz : echokardiographischer Vergleich der hämodynamischen Eigenschaften der St. Jude Medical óEpicƒ und der Carpentier-Edwards óPerimount 2900ƒ Aortenklappenprothese"],"dc:type":["info:eu-repo/semantics/doctoralThesis","info:eu-repo/semantics/publishedVersion"]},"updated_at":"2026-07-30T19:40:16Z"}