{"id":"https://openalex.org/W2062123775","doi":"https://doi.org/10.1186/1749-8090-2-40","title":"Effect of surgeon on transprosthetic gradients after aortic valve replacement with Freestyle\u00ae stentless bioprosthesis and its consequences: A follow-up study in 587 patients","display_name":"Effect of surgeon on transprosthetic gradients after aortic valve replacement with Freestyle\u00ae stentless bioprosthesis and its consequences: A follow-up study in 587 patients","publication_year":2007,"publication_date":"2007-10-05","ids":{"openalex":"https://openalex.org/W2062123775","doi":"https://doi.org/10.1186/1749-8090-2-40","mag":"2062123775","pmid":"https://pubmed.ncbi.nlm.nih.gov/17919325","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/2146998"},"language":"en","primary_location":{"id":"doi:10.1186/1749-8090-2-40","doi":"https://doi.org/10.1186/1749-8090-2-40","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1749-8090-2-40","pdf_url":"https://cardiothoracicsurgery.biomedcentral.com/counter/pdf/10.1186/1749-8090-2-40","source":{"id":"https://openalex.org/S172459203","display_name":"Journal of Cardiothoracic Surgery","issn_l":"1749-8090","issn":["1749-8090"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiothoracic Surgery","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://cardiothoracicsurgery.biomedcentral.com/counter/pdf/10.1186/1749-8090-2-40","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Alexander Albert","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Alexander Albert","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933 Lahr/Germany. alexander.albert@heart-lahr.com","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933 Lahr/Germany. alexander.albert@heart-lahr.com","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002255149","display_name":"Ines Florath","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ines Florath","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111442555","display_name":"Ulrich Rosendahl","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ulrich Rosendahl","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5013751967","display_name":"Wael Mahmoud Hassanein","orcid":"https://orcid.org/0000-0001-5365-329X","observed_orcids":["https://orcid.org/0000-0001-5365-329X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wael Hassanein","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108599193","display_name":"Eberhard von Hodenberg","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Eberhard V Hodenberg","raw_affiliation_strings":["Department of cardiology, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiology, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiology, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiology, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Stefan Bauer","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Stefan Bauer","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109314343","display_name":"I. C. Ennker","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ina Ennker","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5001668214","display_name":"J\u00fcrgen Ennker","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J\u00fcrgen Ennker","raw_affiliation_strings":["Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Hohbergweg 2, 77933, Lahr, Germany","institution_ids":[]},{"raw_affiliation_string":"Department of cardiac surgery, Heart Institute Lahr/Baden, Lahr, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":2890,"currency":"USD","value_usd":2890},"apc_paid":{"value":2890,"currency":"USD","value_usd":2890},"fwci":1.5622,"has_fulltext":true,"cited_by_count":20,"citation_normalized_percentile":{"value":0.84999547,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"2","issue":"1","first_page":"40","last_page":"40"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9980000257492065,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10618","display_name":"Aortic Disease and Treatment Approaches","score":0.0015999999595806003,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11055","display_name":"Cardiac and Coronary Surgery Techniques","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/aortic-valve-replacement","display_name":"aortic valve replacement","score":0.9769999980926514},{"id":"https://openalex.org/keywords/stentless-bioprosthesis","display_name":"stentless bioprosthesis","score":0.9490000009536743},{"id":"https://openalex.org/keywords/transvalvular-pressure-gradient","display_name":"transvalvular gradient","score":0.7369999885559082},{"id":"https://openalex.org/keywords/surgeon-effect","display_name":"surgeon effect","score":0.5669999718666077},{"id":"https://openalex.org/keywords/subcoronary-implantation","display_name":"subcoronary implantation","score":0.765999972820282},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.6159999966621399},{"id":"https://openalex.org/keywords/nottingham-health-profile","display_name":"Nottingham Health Profile","score":0.8790000081062317},{"id":"https://openalex.org/keywords/physical-mobility","display_name":"physical mobility","score":0.7379999756813049},{"id":"https://openalex.org/keywords/prosthetic-valve-endocarditis","display_name":"prosthetic valve endocarditis","score":0.7319999933242798},{"id":"https://openalex.org/keywords/structural-valve-deterioration","display_name":"structural valve deterioration","score":0.7059999704360962},{"id":"https://openalex.org/keywords/risk-factors","display_name":"risk factors","score":0.5270000100135803},{"id":"https://openalex.org/keywords/propensity-score","display_name":"propensity score","score":0.5559999942779541},{"id":"https://openalex.org/keywords/body-size","display_name":"body size","score":0.414000004529953},{"id":"https://openalex.org/keywords/diabetes-mellitus","display_name":"diabetes mellitus","score":0.5600000023841858},{"id":"https://openalex.org/keywords/atrial-fibrillation","display_name":"atrial fibrillation","score":0.8479999899864197}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8579424619674683},{"id":"https://openalex.org/C2776570981","wikidata":"https://www.wikidata.org/wiki/Q4413093","display_name":"Aortic valve replacement","level":3,"score":0.6923527717590332},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.6303669810295105},{"id":"https://openalex.org/C2778789114","wikidata":"https://www.wikidata.org/wiki/Q235007","display_name":"Cardiac surgery","level":2,"score":0.5659049153327942},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.5480837225914001},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.542602002620697},{"id":"https://openalex.org/C2775872228","wikidata":"https://www.wikidata.org/wiki/Q82504","display_name":"Endocarditis","level":2,"score":0.5154153108596802},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.5144003033638},{"id":"https://openalex.org/C2779951463","wikidata":"https://www.wikidata.org/wiki/Q7268788","display_name":"Quality of life (healthcare)","level":2,"score":0.489465594291687},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.46246808767318726},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.4194062054157257},{"id":"https://openalex.org/C2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","level":2,"score":0.17166095972061157},{"id":"https://openalex.org/C159110408","wikidata":"https://www.wikidata.org/wiki/Q121176","display_name":"Nursing","level":1,"score":0.0},{"id":"https://openalex.org/C99454951","wikidata":"https://www.wikidata.org/wiki/Q932068","display_name":"Environmental health","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001021","descriptor_name":"Aortic Valve","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":true},{"descriptor_ui":"D001022","descriptor_name":"Aortic Valve Insufficiency","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D001022","descriptor_name":"Aortic Valve Insufficiency","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":false},{"descriptor_ui":"D001022","descriptor_name":"Aortic Valve Insufficiency","qualifier_ui":"Q000601","qualifier_name":"surgery","is_major_topic":false},{"descriptor_ui":"D001705","descriptor_name":"Bioprosthesis","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D004452","descriptor_name":"Echocardiography","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005500","descriptor_name":"Follow-Up Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005858","descriptor_name":"Germany","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006350","descriptor_name":"Heart Valve Prosthesis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D010819","descriptor_name":"Physician's Role","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011379","descriptor_name":"Prognosis","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011474","descriptor_name":"Prosthesis Design","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011475","descriptor_name":"Prosthesis Failure","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011788","descriptor_name":"Quality of Life","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011795","descriptor_name":"Surveys and Questionnaires","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013903","descriptor_name":"Thoracic Surgery","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D013903","descriptor_name":"Thoracic Surgery","qualifier_ui":"Q000706","qualifier_name":"statistics & numerical data","is_major_topic":true},{"descriptor_ui":"D015993","descriptor_name":"Life Tables","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016016","descriptor_name":"Proportional Hazards Models","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016896","descriptor_name":"Treatment Outcome","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D017755","descriptor_name":"Prosthesis Fitting","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D018570","descriptor_name":"Risk Assessment","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019918","descriptor_name":"Heart Valve Prosthesis Implantation","qualifier_ui":"Q000295","qualifier_name":"instrumentation","is_major_topic":false},{"descriptor_ui":"D019918","descriptor_name":"Heart Valve Prosthesis Implantation","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false},{"descriptor_ui":"D019918","descriptor_name":"Heart Valve Prosthesis Implantation","qualifier_ui":"Q000401","qualifier_name":"mortality","is_major_topic":true},{"descriptor_ui":"D053208","descriptor_name":"Kaplan-Meier Estimate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":5,"locations":[{"id":"doi:10.1186/1749-8090-2-40","doi":"https://doi.org/10.1186/1749-8090-2-40","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1749-8090-2-40","pdf_url":"https://cardiothoracicsurgery.biomedcentral.com/counter/pdf/10.1186/1749-8090-2-40","source":{"id":"https://openalex.org/S172459203","display_name":"Journal of Cardiothoracic Surgery","issn_l":"1749-8090","issn":["1749-8090"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiothoracic Surgery","raw_type":"journal-article"},{"id":"pmid:17919325","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/17919325","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of cardiothoracic surgery","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:2146998","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC2146998/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"J Cardiothorac Surg","raw_type":"Text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.273.6184","doi":null,"is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.273.6184","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/63/9c/J_Cardiothorac_Surg_2007_Oct_5_2_40.tar.gz","raw_type":"text"},{"id":"pmh:oai:doaj.org/article:528ffa9904504b329bfa5763895bb7d9","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/528ffa9904504b329bfa5763895bb7d9","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Journal of Cardiothoracic Surgery, Vol 2, Iss 1, p 40 (2007)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/1749-8090-2-40","doi":"https://doi.org/10.1186/1749-8090-2-40","is_oa":true,"landing_page_url":"https://doi.org/10.1186/1749-8090-2-40","pdf_url":"https://cardiothoracicsurgery.biomedcentral.com/counter/pdf/10.1186/1749-8090-2-40","source":{"id":"https://openalex.org/S172459203","display_name":"Journal of Cardiothoracic Surgery","issn_l":"1749-8090","issn":["1749-8090"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","oarl","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320256","host_organization_name":"BioMed Central","host_organization_lineage":["https://openalex.org/P4310320256","https://openalex.org/P4310319965"],"host_organization_lineage_names":["BioMed Central","Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Cardiothoracic Surgery","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2062123775.pdf","grobid_xml":"https://content.openalex.org/works/W2062123775.grobid-xml"},"referenced_works_count":33,"referenced_works":["https://openalex.org/W153817026","https://openalex.org/W1972050740","https://openalex.org/W2008644082","https://openalex.org/W2009307792","https://openalex.org/W2009936845","https://openalex.org/W2013913057","https://openalex.org/W2021074941","https://openalex.org/W2021753158","https://openalex.org/W2024376247","https://openalex.org/W2037637603","https://openalex.org/W2050122338","https://openalex.org/W2072285482","https://openalex.org/W2074258929","https://openalex.org/W2087279621","https://openalex.org/W2117022700","https://openalex.org/W2132925480","https://openalex.org/W2143057428","https://openalex.org/W2143887113","https://openalex.org/W2152783873","https://openalex.org/W2153373863","https://openalex.org/W2160784241","https://openalex.org/W2160869660","https://openalex.org/W2254174344","https://openalex.org/W2280065194","https://openalex.org/W2289752481","https://openalex.org/W2397947785","https://openalex.org/W2408801265","https://openalex.org/W2409796297","https://openalex.org/W2414989055","https://openalex.org/W2416812555","https://openalex.org/W2417126472","https://openalex.org/W2418491017","https://openalex.org/W2466804012"],"related_works":["https://openalex.org/W2112044289","https://openalex.org/W4246425559","https://openalex.org/W2037637603","https://openalex.org/W2184729925","https://openalex.org/W7099531517","https://openalex.org/W2396337754","https://openalex.org/W2713356203","https://openalex.org/W2538686116","https://openalex.org/W195825099","https://openalex.org/W2010407494"],"abstract_inverted_index":{"BACKGROUND:":[0],"The":[1,145],"implantation":[2,260,299],"of":[3,17,24,37,71,92,175,216,267,293,317],"stentless":[4,47,62,297],"valves":[5],"is":[6],"technically":[7],"demanding":[8],"and":[9,26,35,52,76,105,124,193,207,262,287,314],"the":[10,15,22,93,166,217,274,291,303],"outcome":[11],"may":[12],"depend":[13],"on":[14,302,311],"performance":[16],"surgeons.":[18],"We":[19],"studied":[20],"systematically":[21],"role":[23],"surgeons":[25,264],"other":[27],"possible":[28],"determinants":[29],"for":[30,89,214,230],"mid-term":[31],"survival,":[32],"postoperative":[33,320],"gradients":[34,223,295,322],"Quality":[36],"Life":[38],"(QoL)":[39],"after":[40,296,326],"aortic":[41,112],"valve":[42,113,116,119,122,275,298],"replacement":[43],"(AVR)":[44],"with":[45,61,198],"Freestyle":[46],"bioprostheses.":[48,65],"METHODS:":[49],"Between":[50],"1996":[51],"2003,":[53],"587":[54],"patients":[55,194],"(mean":[56],"75":[57],"years)":[58],"underwent":[59],"AVR":[60],"Medtronic":[63],"Freestyle(R)":[64],"Follow-up":[66],"was":[67,154,163,308],"99%":[68],"complete.":[69],"Determinants":[70],"morbidity,":[72],"mortality,":[73],"survival":[74,159,176,312],"time":[75,177,313],"QoL":[77,219],"were":[78,87,130,224],"evaluated":[79],"by":[80],"multiple,":[81],"time-related,":[82],"regression":[83],"analysis.":[84],"Risk":[85],"models":[86,203],"built":[88],"all":[90],"sections":[91],"Nottingham":[94],"Health":[95],"Profile":[96],"(NHP):":[97],"energy,":[98],"pain,":[99],"emotional":[100],"reaction,":[101],"sleep,":[102],"social":[103],"isolation":[104],"physical":[106,232,324],"mobility":[107,233,325],"RESULTS:":[108],"Actuarial":[109],"freedom":[110,147],"from":[111,148],"re-operation,":[114],"structural":[115],"deterioration,":[117],"non-structural":[118],"dysfunction,":[120,187],"prosthetic":[121],"endocarditis":[123],"thromboembolic":[125],"events":[126,150],"at":[127,151,160],"6":[128,152,161,218],"years":[129,153,162,192],"95.9":[131],"+/-":[132,136,139,142,156,171],"2.1%,":[133],"100%,":[134],"98.7":[135],"0.5%,":[137],"97.0":[138],"1.5%,":[140],"79.6":[141],"4.3%,":[143],"respectively.":[144],"actuarial":[146],"bleeding":[149],"93.1":[155],"1.9%.":[157],"Estimated":[158],"similar":[164],"to":[165,273,279],"age-matched":[167],"German":[168],"population":[169],"(61.4":[170],"3.8":[172],"%).":[173],"Predictors":[174],"were:":[178],"diabetes":[179],"mellitus,":[180],"atrial":[181],"fibrillation,":[182],"peripheral":[183],"vascular":[184],"disease,":[185],"renal":[186],"female":[188],"gender":[189],">":[190,212],"80":[191],"<":[195,200,237],"165":[196],"cm":[197],"BMI":[199],"24.":[201],"Predictive":[202],"showed":[204],"characteristic":[205],"profiles":[206],"good":[208],"discriminative":[209],"powers":[210],"(c-indexes":[211],"0.7)":[213],"each":[215],"sections.":[220],"Early":[221],"transvalvular":[222,321],"identified":[225,243],"as":[226,265],"independent":[227],"risk":[228,292],"factors":[229,247,290],"impaired":[231],"(c-index":[234],"0.77,":[235],"p":[236],"0.002).":[238],"A":[239],"saturated":[240],"propensity":[241],"score":[242],"besides":[244],"patient":[245],"related":[246],"(e.g.":[248],"preoperative":[249],"gradients,":[250],"ejection":[251],"fraction,":[252],"haematological":[253],"factors)":[254],"indexed":[255],"geometric":[256],"orifice":[257],"area,":[258],"subcoronary":[259,282],"technique":[261,283],"individual":[263,304],"predictors":[266],"high":[268],"gradients.":[269],"CONCLUSION:":[270],"In":[271],"addition":[272],"size":[276],"(in":[277],"relation":[278],"body":[280],"size),":[281],"(versus":[284],"total":[285],"root)":[286],"various":[288],"patient-related":[289],"elevated":[294],"depends,":[300],"considerably":[301],"surgeon.":[305],"Although":[306],"there":[307],"no":[309],"effect":[310],"most":[315],"aspects":[316],"QoL,":[318],"higher":[319],"affect":[323],"AVR.":[327]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
