{"id":"https://openalex.org/W2059978752","doi":"https://doi.org/10.1055/s-2008-1037830","title":"First experiences and early results with the aortic Freedom Solo stentless valve","display_name":"First experiences and early results with the aortic Freedom Solo stentless valve","publication_year":2008,"publication_date":"2008-01-01","ids":{"openalex":"https://openalex.org/W2059978752","doi":"https://doi.org/10.1055/s-2008-1037830","mag":"2059978752"},"language":"en","primary_location":{"id":"doi:10.1055/s-2008-1037830","doi":"https://doi.org/10.1055/s-2008-1037830","is_oa":false,"landing_page_url":"https://doi.org/10.1055/s-2008-1037830","pdf_url":null,"source":{"id":"https://openalex.org/S81394012","display_name":"The Thoracic and Cardiovascular Surgeon","issn_l":"0171-6425","issn":["0171-6425","1439-1902"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310321135","host_organization_name":"Georg Thieme Verlag","host_organization_lineage":["https://openalex.org/P4310321135","https://openalex.org/P4310320000"],"host_organization_lineage_names":["Georg Thieme Verlag","Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Thoracic and Cardiovascular Surgeon","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010678058","display_name":"H Manus","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H Manus","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030881517","display_name":"Y Finkbeiner","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Y Finkbeiner","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"S S\u00e4nger","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S S\u00e4nger","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109801705","display_name":"A Heyde","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A Heyde","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057457790","display_name":"I Tzanavros","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"I Tzanavros","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5062418598","display_name":"Volker Herwig","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"V Herwig","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088756456","display_name":"J Kn\u00f6rig","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J Kn\u00f6rig","raw_affiliation_strings":["Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sana Herzzentrum Cottbus, Herzchirurgie, Cottbus, Germany","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.21193922,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"56","issue":"S 1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9937000274658203,"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":0.9937000274658203,"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":0.00570000009611249,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory 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/stentless-bioprosthesis","display_name":"stentless bioprosthesis","score":0.9020000100135803},{"id":"https://openalex.org/keywords/aortic-valve-replacement","display_name":"aortic valve replacement","score":0.9869999885559082},{"id":"https://openalex.org/keywords/aortic-valve-prosthesis","display_name":"aortic valve prosthesis","score":0.6549999713897705},{"id":"https://openalex.org/keywords/concomitant-coronary-artery-bypass-grafting","display_name":"concomitant coronary artery bypass grafting","score":0.7179999947547913},{"id":"https://openalex.org/keywords/paravalvular-leak","display_name":"paravalvular leak","score":0.902999997138977},{"id":"https://openalex.org/keywords/transvalvular-pressure-gradient","display_name":"transvalvular gradient","score":0.9139999747276306},{"id":"https://openalex.org/keywords/hemodynamic-performance","display_name":"hemodynamic performance","score":0.7210000157356262},{"id":"https://openalex.org/keywords/aortic-cross-clamp-time","display_name":"aortic cross-clamp time","score":0.6700000166893005},{"id":"https://openalex.org/keywords/learning-curve","display_name":"learning curve","score":0.5429999828338623}],"concepts":[{"id":"https://openalex.org/C2909357195","wikidata":"https://www.wikidata.org/wiki/Q32965486","display_name":"Suture line","level":2,"score":0.6969311237335205},{"id":"https://openalex.org/C2780510313","wikidata":"https://www.wikidata.org/wiki/Q178706","display_name":"Institution","level":2,"score":0.5232906937599182},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.5224305987358093},{"id":"https://openalex.org/C2777327002","wikidata":"https://www.wikidata.org/wiki/Q2865760","display_name":"Fibrous joint","level":2,"score":0.42883527278900146},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.40609559416770935},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.3491423428058624},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.33704328536987305},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.14200133085250854},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1055/s-2008-1037830","doi":"https://doi.org/10.1055/s-2008-1037830","is_oa":false,"landing_page_url":"https://doi.org/10.1055/s-2008-1037830","pdf_url":null,"source":{"id":"https://openalex.org/S81394012","display_name":"The Thoracic and Cardiovascular Surgeon","issn_l":"0171-6425","issn":["0171-6425","1439-1902"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-40","russia-white-list-2"],"host_organization":"https://openalex.org/P4310321135","host_organization_name":"Georg Thieme Verlag","host_organization_lineage":["https://openalex.org/P4310321135","https://openalex.org/P4310320000"],"host_organization_lineage_names":["Georg Thieme Verlag","Thieme Medical Publishers (Germany)"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The Thoracic and Cardiovascular Surgeon","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.98580002784729,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2187895868","https://openalex.org/W2002358774","https://openalex.org/W2804638238","https://openalex.org/W2026769198","https://openalex.org/W3022333955","https://openalex.org/W2188313751","https://openalex.org/W2594117208","https://openalex.org/W2146820031","https://openalex.org/W2406872083","https://openalex.org/W2893959785"],"abstract_inverted_index":{"Aims:":[0],"The":[1,85,100,106],"aortic":[2,62,108],"Freedom":[3,55,204],"Solo":[4,205],"stentless":[5,238],"valve":[6,63,91,102,115,123,133,206],"facilitates":[7],"implantation":[8],"technique":[9],"requiring":[10],"only":[11],"one":[12],"running":[13],"suture":[14],"line":[15],"and":[16,27,79,95,117,145,167,184,209,215],"was":[17,76,93,104,111,152,165,171,182],"implanted":[18],"routineously":[19],"in":[20,146],"our":[21,25,195],"institution.":[22],"We":[23,136],"report":[24],"experiences":[26],"early":[28],"results":[29],"with":[30,223,240],"this":[31],"valve.":[32],"Methods:":[33],"From":[34],"2/2006":[35],"to":[36,50,141],"7/2007,":[37],"127":[38],"patients":[39,58,67,128,148,193],"(65":[40],"male,":[41],"62":[42],"female,":[43],"mean":[44,101,107,168,185],"age":[45],"68,9\u00b18,7":[46],"years,":[47],"range":[48],"42":[49],"83":[51],"years)":[52],"received":[53],"the":[54,192,203,237],"Solo.":[56],"Seventy-four":[57],"had":[59,137],"an":[60,232],"isolated":[61,90],"replacement.":[64],"In":[65],"53":[66],"we":[68],"performed":[69,77,217],"concomitant":[70,97,120],"procedures":[71,98],"(CABG,":[72],"rhythm":[73],"surgery).":[74],"Echocardiography":[75],"intraoperatively":[78],"before":[80],"discharge":[81,155],"from":[82],"hospital.":[83],"Results:":[84],"logistic":[86],"euro":[87],"score":[88],"for":[89,96,113,119,131,156,211],"replacement":[92,116],"4,7\u00b12,2":[94],"5,4\u00b12,4.":[99],"size":[103,157,174],"23,9\u00b12,3mm.":[105],"clamping":[109],"time":[110],"58,1\u00b112,8min.":[112],"isolted":[114],"88.9\u00b120,6min.":[118],"procedures.":[121],"No":[122],"related":[124,134],"death":[125],"occured,":[126],"3":[127],"(2,3%)":[129],"died":[130],"non":[132],"reasons.":[135],"2":[138,176],"reoperations":[139],"due":[140],"a":[142,149,219],"paravalvular":[143],"leakage,":[144],"8":[147],"minimal":[150],"regurgitation":[151],"observed.":[153],"At":[154],"group":[158,175],"1":[159],"(19\u201323mm,":[160],"n=63)":[161],"peak":[162,179],"pressure":[163,169,180,186],"gradient":[164,170,181,187],"24,9\u00b111,4mm/Hg":[166],"13,5\u00b16,7mm/Hg.":[172],"For":[173],"(25\u201327mm,":[177],"n=64)":[178],"17,1\u00b16,6mm/Hg":[183],"8,9\u00b13,6mm/Hg.":[188],"Eighty-nine":[189],"percent":[190],"of":[191,202,236],"left":[194],"institution":[196],"within":[197],"10":[198],"days.":[199],"Conclusion:":[200],"Implantation":[201],"is":[207],"safe":[208],"reliable":[210],"every":[212],"experienced":[213],"surgeon":[214],"can":[216],"after":[218],"short":[220],"learning":[221],"curve":[222],"very":[224,241],"good":[225],"results.":[226],"Postoperative":[227],"echocardiographic":[228],"follow":[229],"up":[230],"demonstrates":[231],"excellent":[233],"haemodynamic":[234],"performance":[235],"bioprothesis":[239],"low":[242],"transvalvular":[243],"gradients.":[244]},"counts_by_year":[],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2016-06-24T00:00:00"}