{"id":"https://openalex.org/A5010701987","orcid":"https://orcid.org/0000-0002-2328-630X","observed_orcids":["https://orcid.org/0000-0002-2328-630X","https://orcid.org/0000-0002-4764-5725"],"display_name":"Ai Kagase","raw_author_names":["A Kagase","Ai Kagase","Ai kagase"],"full_name":"Ai Kagase","works_count":82,"cited_by_count":1234,"summary_stats":{"2yr_mean_citedness":3.2,"h_index":16,"i10_index":26},"ids":{"openalex":"https://openalex.org/A5010701987","orcid":"https://orcid.org/0000-0002-2328-630X","observed_orcids":["https://orcid.org/0000-0002-2328-630X","https://orcid.org/0000-0002-4764-5725"]},"affiliations":[{"institution":{"id":"https://openalex.org/I150468666","ror":"https://ror.org/03czfpz43","display_name":"Emory University","country_code":"US","type":"education","lineage":["https://openalex.org/I150468666"]},"years":[2020]},{"institution":{"id":"https://openalex.org/I203765153","ror":"https://ror.org/03hv1ad10","display_name":"Akita University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203765153"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I203951103","ror":"https://ror.org/02kn6nx58","display_name":"Keio University","country_code":"JP","type":"education","lineage":["https://openalex.org/I203951103"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210094277","ror":"https://ror.org/00m44rf61","display_name":"New Tokyo Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210094277"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210126251","ror":"https://ror.org/0331wqp96","display_name":"Toyohashi Heart Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210126251"]},"years":[2023,2022,2020,2019,2018,2017,2016]},{"institution":{"id":"https://openalex.org/I4210147061","ror":"https://ror.org/045r6q476","display_name":"Nagoya Heart Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210147061"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017]},{"institution":{"id":"https://openalex.org/I4210151342","ror":"https://ror.org/03xz3hj66","display_name":"Shonan Kamakura General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210151342"]},"years":[2021]},{"institution":{"id":"https://openalex.org/I4210153408","ror":"https://ror.org/04tew3n82","display_name":"Saiseikai Yokohama Eastern Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210153408"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210154031","ror":"https://ror.org/04y6ges66","display_name":"Nippon Medical School Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210154031"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I4210155122","ror":"https://ror.org/04bgfv325","display_name":"Gifu Heart Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210155122"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I4210166385","ror":"https://ror.org/05yevkn97","display_name":"Sendai Kousei Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210166385"]},"years":[2017]},{"institution":{"id":"https://openalex.org/I80188885","ror":"https://ror.org/00krab219","display_name":"Nippon Medical School","country_code":"JP","type":"education","lineage":["https://openalex.org/I80188885"]},"years":[2017]}],"last_known_institutions":[{"id":"https://openalex.org/I4210147061","ror":"https://ror.org/045r6q476","display_name":"Nagoya Heart Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210147061"]}],"topics":[{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":62,"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","count":36,"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/T11551","display_name":"Infective Endocarditis Diagnosis and Management","count":19,"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/T10193","display_name":"Coronary Interventions and Diagnostics","count":15,"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/T11217","display_name":"Cardiac Arrhythmias and Treatments","count":14,"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"}}],"topic_share":[{"id":"https://openalex.org/T10172","display_name":"Cardiac Valve Diseases and Treatments","value":0.0001965,"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","value":0.0001276,"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/T11551","display_name":"Infective Endocarditis Diagnosis and Management","value":0.0001187,"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/T12598","display_name":"Cardiac Structural Anomalies and Repair","value":9.42e-05,"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"}},{"id":"https://openalex.org/T11554","display_name":"Vascular Procedures and Complications","value":4.81e-05,"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"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9884741902351379},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8286926746368408},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7971403002738953},{"id":"2780007028","wikidata":"https://www.wikidata.org/wiki/Q2343082","display_name":"Stenosis","score":0.7911461591720581},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.572700023651123}],"counts_by_year":[{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2016,"works_count":4,"oa_works_count":1,"cited_by_count":6},{"year":2017,"works_count":8,"oa_works_count":4,"cited_by_count":44},{"year":2018,"works_count":4,"oa_works_count":2,"cited_by_count":89},{"year":2019,"works_count":9,"oa_works_count":4,"cited_by_count":98},{"year":2020,"works_count":12,"oa_works_count":7,"cited_by_count":116},{"year":2021,"works_count":6,"oa_works_count":4,"cited_by_count":137},{"year":2022,"works_count":8,"oa_works_count":7,"cited_by_count":111},{"year":2023,"works_count":9,"oa_works_count":8,"cited_by_count":126},{"year":2024,"works_count":6,"oa_works_count":6,"cited_by_count":126},{"year":2025,"works_count":11,"oa_works_count":9,"cited_by_count":173},{"year":2026,"works_count":3,"oa_works_count":2,"cited_by_count":183}],"display_name_alternatives":["A Kagase","Ai Kagase","Ai kagase"],"block_key":"a kagase","works_api_url":"https://api.openalex.org/works?filter=author.id:A5010701987","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5010701987","updated_date":"2026-11-11T13:02:13","created_date":"2016-06-24T00:00:00"}
