{"id":"https://openalex.org/A5113511378","orcid":null,"observed_orcids":[],"display_name":"Keiko Ryo","raw_author_names":["K. Ryo","Keiko Ryo"],"full_name":"Keiko Ryo","works_count":99,"cited_by_count":1509,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":23,"i10_index":36},"ids":{"openalex":"https://openalex.org/A5113511378","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I117397414","ror":"https://ror.org/04d5w7479","display_name":"Aurora Health Care","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I117397414"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I1330342723","ror":"https://ror.org/02qp3tb03","display_name":"Mayo Clinic","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723"]},"years":[2016,2015]},{"institution":{"id":"https://openalex.org/I149251103","ror":"https://ror.org/00ysqcn41","display_name":"Thomas Jefferson University","country_code":"US","type":"education","lineage":["https://openalex.org/I149251103"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I170201317","ror":"https://ror.org/01an3r305","display_name":"University of Pittsburgh","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]},"years":[2016,2015,2014,2013]},{"institution":{"id":"https://openalex.org/I2803061204","ror":"https://ror.org/009c06z12","display_name":"Intermountain Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I108785884","https://openalex.org/I2803061204"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I4210098814","ror":"https://ror.org/011htkb76","display_name":"UPMC Health System","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814"]},"years":[2014]},{"institution":{"id":"https://openalex.org/I4210115995","ror":"https://ror.org/024vfsp92","display_name":"UPMC Presbyterian","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814","https://openalex.org/I4210115995","https://openalex.org/I4210134769"]},"years":[2013]},{"institution":{"id":"https://openalex.org/I4210134769","ror":"https://ror.org/04ehecz88","display_name":"University of Pittsburgh Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814","https://openalex.org/I4210134769"]},"years":[2016,2015,2014,2013]},{"institution":{"id":"https://openalex.org/I4210135849","ror":"https://ror.org/03rzm8h15","display_name":"Hyogo Brain and Heart Center","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210135849"]},"years":[2012,2008]},{"institution":{"id":"https://openalex.org/I4210149859","ror":"https://ror.org/03sc99320","display_name":"Hitachi General Hospital","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210149859"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I5023651","ror":"https://ror.org/01pxwe438","display_name":"McGill University","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I65143321","ror":"https://ror.org/02exqgm79","display_name":"Hitachi (Japan)","country_code":"JP","type":"company","lineage":["https://openalex.org/I65143321"]},"years":[2005]},{"institution":{"id":"https://openalex.org/I65837984","ror":"https://ror.org/03tgsfw79","display_name":"Kobe University","country_code":"JP","type":"education","lineage":["https://openalex.org/I65837984"]},"years":[2015,2014,2013,2012,2011,2010,2009]},{"institution":{"id":"https://openalex.org/I81020160","ror":"https://ror.org/03151rh82","display_name":"Louisiana State University Health Sciences Center Shreveport","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121820613","https://openalex.org/I81020160"]},"years":[2016]},{"institution":{"id":"https://openalex.org/I891191580","ror":"https://ror.org/04m5j1k67","display_name":"Aalborg University","country_code":"DK","type":"education","lineage":["https://openalex.org/I891191580"]},"years":[2014]}],"last_known_institutions":[{"id":"https://openalex.org/I117397414","ror":"https://ror.org/04d5w7479","display_name":"Aurora Health Care","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I117397414"]},{"id":"https://openalex.org/I1330342723","ror":"https://ror.org/02qp3tb03","display_name":"Mayo Clinic","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330342723"]},{"id":"https://openalex.org/I149251103","ror":"https://ror.org/00ysqcn41","display_name":"Thomas Jefferson University","country_code":"US","type":"education","lineage":["https://openalex.org/I149251103"]},{"id":"https://openalex.org/I170201317","ror":"https://ror.org/01an3r305","display_name":"University of Pittsburgh","country_code":"US","type":"education","lineage":["https://openalex.org/I170201317"]},{"id":"https://openalex.org/I2803061204","ror":"https://ror.org/009c06z12","display_name":"Intermountain Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I108785884","https://openalex.org/I2803061204"]},{"id":"https://openalex.org/I4210134769","ror":"https://ror.org/04ehecz88","display_name":"University of Pittsburgh Medical Center","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210098814","https://openalex.org/I4210134769"]},{"id":"https://openalex.org/I5023651","ror":"https://ror.org/01pxwe438","display_name":"McGill University","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]},{"id":"https://openalex.org/I81020160","ror":"https://ror.org/03151rh82","display_name":"Louisiana State University Health Sciences Center Shreveport","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I121820613","https://openalex.org/I81020160"]}],"topics":[{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","count":69,"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/T10598","display_name":"Cardiac pacing and defibrillation studies","count":46,"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/T10217","display_name":"Cardiac electrophysiology and arrhythmias","count":25,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","count":24,"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/T10728","display_name":"Pulmonary Hypertension Research and Treatments","count":23,"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"}}],"topic_share":[{"id":"https://openalex.org/T10598","display_name":"Cardiac pacing and defibrillation studies","value":0.0001592,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","value":0.0001543,"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/T10728","display_name":"Pulmonary Hypertension Research and Treatments","value":0.0001114,"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/T10172","display_name":"Cardiac Valve Diseases and Treatments","value":7.37e-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"}},{"id":"https://openalex.org/T10645","display_name":"Cardiac Arrest and Resuscitation","value":6.08e-05,"subfield":{"id":"https://openalex.org/subfields/2711","display_name":"Emergency 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":0.9773740768432617},{"id":"78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","score":0.8914027810096741},{"id":"164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","score":0.8528257608413696},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.8314823508262634},{"id":"2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","score":0.7703256011009216}],"counts_by_year":[{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":15,"oa_works_count":7,"cited_by_count":0},{"year":2012,"works_count":20,"oa_works_count":6,"cited_by_count":47},{"year":2013,"works_count":12,"oa_works_count":4,"cited_by_count":68},{"year":2014,"works_count":18,"oa_works_count":8,"cited_by_count":97},{"year":2015,"works_count":21,"oa_works_count":9,"cited_by_count":134},{"year":2016,"works_count":3,"oa_works_count":0,"cited_by_count":141},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":154},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":132},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":101},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":128},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":128},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":95},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":87},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":71},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":63},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":47}],"display_name_alternatives":["K. Ryo","Keiko Ryo"],"block_key":"k ryo","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113511378","updated_date":"2026-10-29T12:27:34","created_date":"2016-06-24T00:00:00"}
