{"id":"https://openalex.org/W7125976007","doi":"https://doi.org/10.1016/j.jaccas.2025.106544","title":"The Combined Konno-Nicks Procedure for Severely Stenotic Aortic Root and Left Ventricular Outflow Tract","display_name":"The Combined Konno-Nicks Procedure for Severely Stenotic Aortic Root and Left Ventricular Outflow Tract","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7125976007","doi":"https://doi.org/10.1016/j.jaccas.2025.106544","pmid":"https://pubmed.ncbi.nlm.nih.gov/41609266","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/12882681"},"language":"en","primary_location":{"id":"doi:10.1016/j.jaccas.2025.106544","doi":"https://doi.org/10.1016/j.jaccas.2025.106544","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jaccas.2025.106544","pdf_url":"https://www.jacc.org/doi/pdf/10.1016/j.jaccas.2025.106544?download=true","source":{"id":"https://openalex.org/S4210180918","display_name":"JACC Case Reports","issn_l":"2666-0849","issn":["2666-0849"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-20"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JACC: Case Reports","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://www.jacc.org/doi/pdf/10.1016/j.jaccas.2025.106544?download=true","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025693177","display_name":"Masaru Matsuda","orcid":"https://orcid.org/0000-0003-3115-2341","observed_orcids":["https://orcid.org/0000-0003-3115-2341","https://orcid.org/0009-0001-6457-7971"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masaru Matsuda","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":"https://orcid.org/0009-0001-6457-7971","affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032339392","display_name":"Shin Yajima","orcid":"https://orcid.org/0000-0001-5058-0267","observed_orcids":["https://orcid.org/0000-0001-5058-0267"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shin Yajima","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101835745","display_name":"Daisuke Yoshioka","orcid":"https://orcid.org/0000-0002-5574-9495","observed_orcids":["https://orcid.org/0000-0002-5574-9495","https://orcid.org/0009-0004-4656-7317"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Daisuke Yoshioka","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan. Electronic address: djason55@gmail.com"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan. Electronic address: djason55@gmail.com","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109583168","display_name":"Kazuo Shimamura","orcid":"https://orcid.org/0000-0003-1481-0795","observed_orcids":["https://orcid.org/0000-0003-1481-0795"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuo Shimamura","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034266454","display_name":"Ai Kawamura","orcid":"https://orcid.org/0000-0002-4199-9864","observed_orcids":["https://orcid.org/0000-0002-4199-9864"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Ai Kawamura","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5080776899","display_name":"Takuji Kawamura","orcid":"https://orcid.org/0000-0003-2985-0036","observed_orcids":["https://orcid.org/0000-0003-2985-0036"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Takuji Kawamura","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082813863","display_name":"Yusuke Misumi","orcid":"https://orcid.org/0000-0001-6248-3739","observed_orcids":["https://orcid.org/0000-0001-6248-3739"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yusuke Misumi","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000424894","display_name":"Shunsuke Saito","orcid":"https://orcid.org/0000-0002-0829-2891","observed_orcids":["https://orcid.org/0000-0002-0829-2891"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shunsuke Saito","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5045168236","display_name":"Shigeru Miyagawa","orcid":"https://orcid.org/0000-0003-0015-6569","observed_orcids":["https://orcid.org/0000-0003-0015-6569"]},"institutions":[{"id":"https://openalex.org/I98285908","display_name":"The University of Osaka","ror":"https://ror.org/035t8zc32","country_code":"JP","type":"education","lineage":["https://openalex.org/I98285908"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeru Miyagawa","raw_affiliation_strings":["Department of Cardiovascular Surgery, University of Osaka, Suita, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiovascular Surgery, University of Osaka, Suita, Japan","institution_ids":["https://openalex.org/I98285908"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5101835745"],"corresponding_institution_ids":["https://openalex.org/I98285908"],"apc_list":{"value":850,"currency":"USD","value_usd":850},"apc_paid":{"value":850,"currency":"USD","value_usd":850},"fwci":3.501,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.86249202,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"31","issue":"4","first_page":"106544","last_page":"106544"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","score":0.9955999851226807,"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":0.9955999851226807,"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":0.004000000189989805,"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/T10300","display_name":"Congenital Heart Disease Studies","score":9.999999747378752e-05,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/redo-aortic-valve-replacement","display_name":"redo aortic valve replacement","score":0.9559999704360962},{"id":"https://openalex.org/keywords/prosthetic-valve-dysfunction","display_name":"prosthetic valve dysfunction","score":0.8100000023841858},{"id":"https://openalex.org/keywords/subvalvular-stenosis","display_name":"subvalvular stenosis","score":0.8980000019073486},{"id":"https://openalex.org/keywords/left-ventricular-outflow-tract-obstruction","display_name":"left ventricular outflow tract obstruction","score":0.9330000281333923},{"id":"https://openalex.org/keywords/annular-enlargement","display_name":"annular enlargement","score":0.7390000224113464},{"id":"https://openalex.org/keywords/patient-prosthesis-mismatch","display_name":"prosthesis-patient mismatch","score":0.9290000200271606},{"id":"https://openalex.org/keywords/pannus-formation","display_name":"pannus formation","score":0.7940000295639038},{"id":"https://openalex.org/keywords/aortic-annulus-enlargement","display_name":"aortic annulus enlargement","score":0.4790000021457672}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8155999779701233},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.7053999900817871},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6636000275611877},{"id":"https://openalex.org/C2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","level":2,"score":0.592199981212616},{"id":"https://openalex.org/C2777361368","wikidata":"https://www.wikidata.org/wiki/Q7920318","display_name":"Ventricular outflow tract","level":2,"score":0.5884000062942505},{"id":"https://openalex.org/C2780714102","wikidata":"https://www.wikidata.org/wiki/Q616071","display_name":"Aortic valve","level":2,"score":0.4952000081539154},{"id":"https://openalex.org/C2993369777","wikidata":"https://www.wikidata.org/wiki/Q2349469","display_name":"Aortic root","level":3,"score":0.4684999883174896},{"id":"https://openalex.org/C2778715743","wikidata":"https://www.wikidata.org/wiki/Q181802","display_name":"Prosthesis","level":2,"score":0.4636000096797943},{"id":"https://openalex.org/C86132830","wikidata":"https://www.wikidata.org/wiki/Q3308838","display_name":"Outflow","level":2,"score":0.3837999999523163},{"id":"https://openalex.org/C2781414266","wikidata":"https://www.wikidata.org/wiki/Q531019","display_name":"Aortic valve stenosis","level":3,"score":0.3589000105857849},{"id":"https://openalex.org/C2780225090","wikidata":"https://www.wikidata.org/wiki/Q7920319","display_name":"Ventricular outflow tract obstruction","level":3,"score":0.320499986410141},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.3190000057220459},{"id":"https://openalex.org/C3019548353","wikidata":"https://www.wikidata.org/wiki/Q181802","display_name":"Prosthesis design","level":3,"score":0.2612000107765198}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1016/j.jaccas.2025.106544","doi":"https://doi.org/10.1016/j.jaccas.2025.106544","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jaccas.2025.106544","pdf_url":"https://www.jacc.org/doi/pdf/10.1016/j.jaccas.2025.106544?download=true","source":{"id":"https://openalex.org/S4210180918","display_name":"JACC Case Reports","issn_l":"2666-0849","issn":["2666-0849"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-20"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JACC: Case Reports","raw_type":"journal-article"},{"id":"pmh:oai:europepmc.org:11690165","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/12882681","pdf_url":null,"source":{"id":"https://openalex.org/S4306400806","display_name":"Europe PMC (PubMed Central)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1303153112","host_organization_name":"European Bioinformatics Institute","host_organization_lineage":["https://openalex.org/I1303153112"],"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":null,"raw_type":"Text"},{"id":"pmid:41609266","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/41609266","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":"JACC. Case reports","raw_type":"Case Reports"},{"id":"pmh:oai:pubmedcentral.nih.gov:12882681","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC12882681/","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":"JACC Case Rep","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.1016/j.jaccas.2025.106544","doi":"https://doi.org/10.1016/j.jaccas.2025.106544","is_oa":true,"landing_page_url":"https://doi.org/10.1016/j.jaccas.2025.106544","pdf_url":"https://www.jacc.org/doi/pdf/10.1016/j.jaccas.2025.106544?download=true","source":{"id":"https://openalex.org/S4210180918","display_name":"JACC Case Reports","issn_l":"2666-0849","issn":["2666-0849"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","ki-jl-1","norway-1","poland-20"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"JACC: Case Reports","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9391000270843506}],"study_designs":[{"id":"https://openalex.org/study-designs/case-report","display_name":"Case Report"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7125976007.pdf","grobid_xml":"https://content.openalex.org/works/W7125976007.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W1877871982","https://openalex.org/W2105045302","https://openalex.org/W2407398730","https://openalex.org/W2412662173","https://openalex.org/W2413022447","https://openalex.org/W3040439595","https://openalex.org/W4296062171","https://openalex.org/W4389461537","https://openalex.org/W4393224453","https://openalex.org/W4395697751"],"related_works":["https://openalex.org/W7163882271","https://openalex.org/W1877871982","https://openalex.org/W642829132","https://openalex.org/W2053279299","https://openalex.org/W3008770732","https://openalex.org/W2412004753","https://openalex.org/W2412662173","https://openalex.org/W117434890","https://openalex.org/W2058961805","https://openalex.org/W2078886187"],"abstract_inverted_index":{"BACKGROUND:":[0],"Patients":[1],"with":[2,37,62,113,136],"a":[3,34,51,77,114],"small":[4,115],"aortic":[5,59,108],"root":[6],"and":[7,18,41,71,88,95,117],"subvalvular":[8,118,138],"stenosis":[9,119,139],"are":[10],"at":[11],"risk":[12],"of":[13,33,76],"prosthesis-patient":[14,122],"mismatch,":[15],"making":[16],"annular":[17],"left":[19],"ventricular":[20],"outflow":[21],"tract":[22],"(LVOT)":[23],"enlargement":[24,94,102],"essential.":[25],"CASE":[26],"SUMMARY:":[27],"We":[28],"herein":[29],"report":[30],"the":[31,63,69,74],"case":[32],"41-year-old":[35],"woman":[36],"prosthetic":[38,133],"valve":[39,60,93,97,109,134],"dysfunction":[40,135],"severe":[42,137],"LVOT":[43],"obstruction":[44],"due":[45],"to":[46,120],"pannus":[47],"formation":[48],"in":[49,111],"whom":[50],"12-mm":[52],"sizer":[53,84],"could":[54],"not":[55],"be":[56,104],"passed.":[57],"Redo":[58],"replacement":[61,110],"combined":[64,127],"Konno-Nicks":[65,128],"procedure":[66,129],"successfully":[67],"enlarged":[68],"annulus":[70,116],"LVOT,":[72],"enabling":[73,141],"implantation":[75],"4-size":[78],"larger":[79,142],"prosthesis":[80,143],"based":[81],"on":[82],"intraoperative":[83],"measurements.":[85],"Postoperative":[86],"echocardiography":[87],"computed":[89],"tomography":[90],"confirmed":[91],"effective":[92],"preserved":[96],"function.":[98],"DISCUSSION:":[99],"Combined":[100],"anterior-posterior":[101],"can":[103,130],"valuable":[105],"for":[106],"redo":[107],"patients":[112],"prevent":[121],"mismatch.":[123],"TAKE-HOME":[124],"MESSAGE:":[125],"The":[126],"effectively":[131],"relieve":[132],"by":[140],"implantation.":[144]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-11-12T12:28:57.059296","created_date":"2026-01-29T00:00:00"}