{"id":"https://openalex.org/W1995670231","doi":"https://doi.org/10.1016/0002-9149(92)90054-3","title":"Age-related increase in systolic fraction of pulmonary vein flow velocity-time integral from transesophageal doppler echocardiography in subjects without cardiac disease","display_name":"Age-related increase in systolic fraction of pulmonary vein flow velocity-time integral from transesophageal doppler echocardiography in subjects without cardiac disease","publication_year":1992,"publication_date":"1992-11-01","ids":{"openalex":"https://openalex.org/W1995670231","doi":"https://doi.org/10.1016/0002-9149(92)90054-3","mag":"1995670231","pmid":"https://pubmed.ncbi.nlm.nih.gov/1414945"},"language":"en","primary_location":{"id":"doi:10.1016/0002-9149(92)90054-3","doi":"https://doi.org/10.1016/0002-9149(92)90054-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-9149(92)90054-3","pdf_url":null,"source":{"id":"https://openalex.org/S185186944","display_name":"The American Journal of Cardiology","issn_l":"0002-9149","issn":["0002-9149","1879-1913"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Journal of Cardiology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Michio Arakawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Michio Arakawa","raw_affiliation_strings":["Second Department of Internal Medicine, Gifu University School of Medicine, Japan","From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Second Department of Internal Medicine, Gifu University School of Medicine, Japan","institution_ids":["https://openalex.org/I42405503"]},{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Shigeru Akamatsu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shigeru Akamatsu","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071463301","display_name":"Etsuji Terazawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Etsuji Terazawa","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111867152","display_name":"Shuji Dohi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Shuji Dohi","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113559131","display_name":"Hiroshi Miwa","orcid":"https://orcid.org/0000-0002-4892-3192","observed_orcids":["https://orcid.org/0000-0002-4892-3192"]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroshi Miwa","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5089599205","display_name":"Kensaku Kagawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kensaku Kagawa","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082894446","display_name":"Kazuhiko Nishigaki","orcid":"https://orcid.org/0000-0002-1136-3398","observed_orcids":["https://orcid.org/0000-0002-1136-3398"]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuhiko Nishigaki","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113629030","display_name":"Yoshimi ITO","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Yoshimi Ito","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113764127","display_name":"Senri Hirakawa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I42405503","display_name":"Gifu University","ror":"https://ror.org/024exxj48","country_code":"JP","type":"education","lineage":["https://openalex.org/I42405503"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Senri Hirakawa","raw_affiliation_strings":["From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"From the Second Department of Internal Medicine, and Department of Anesthesiology, Gifu University School of Medicine, Gifu City, Gifu, Japan","institution_ids":["https://openalex.org/I42405503"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I42405503"],"apc_list":{"value":3380,"currency":"USD","value_usd":3380},"apc_paid":null,"fwci":2.4501,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.88971075,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"70","issue":"13","first_page":"1190","last_page":"1194"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.9794999957084656,"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/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.9794999957084656,"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","score":0.005900000222027302,"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/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.005799999926239252,"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/pulmonary-venous-flow","display_name":"pulmonary venous flow","score":0.7760000228881836},{"id":"https://openalex.org/keywords/velocity-time-integral","display_name":"velocity time integral","score":0.8830000162124634},{"id":"https://openalex.org/keywords/aging","display_name":"aging","score":0.6330000162124634},{"id":"https://openalex.org/keywords/left-atrial-filling","display_name":"left atrial filling","score":0.7480000257492065},{"id":"https://openalex.org/keywords/left-ventricular-filling","display_name":"left ventricular filling","score":0.7279999852180481},{"id":"https://openalex.org/keywords/mitral-inflow-velocity","display_name":"mitral inflow velocity","score":0.8299999833106995},{"id":"https://openalex.org/keywords/e-a-ratio","display_name":"E/A ratio","score":0.6370000243186951},{"id":"https://openalex.org/keywords/left-ventricular-stroke-volume","display_name":"left ventricular stroke volume","score":0.7250000238418579},{"id":"https://openalex.org/keywords/elderly-patients","display_name":"elderly patients","score":0.41200000047683716}],"concepts":[{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.8008685111999512},{"id":"https://openalex.org/C2778921608","wikidata":"https://www.wikidata.org/wiki/Q2002035","display_name":"Ventricle","level":2,"score":0.7545871734619141},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7479673624038696},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.744167685508728},{"id":"https://openalex.org/C2780689522","wikidata":"https://www.wikidata.org/wiki/Q535352","display_name":"Pulmonary vein","level":3,"score":0.6638164520263672},{"id":"https://openalex.org/C80461066","wikidata":"https://www.wikidata.org/wiki/Q1698533","display_name":"Stroke volume","level":4,"score":0.5596736073493958},{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.4887976348400116},{"id":"https://openalex.org/C2780346441","wikidata":"https://www.wikidata.org/wiki/Q55609890","display_name":"Doppler echocardiography","level":4,"score":0.43352916836738586},{"id":"https://openalex.org/C99398487","wikidata":"https://www.wikidata.org/wiki/Q257319","display_name":"Cardiac cycle","level":2,"score":0.4162081778049469},{"id":"https://openalex.org/C2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","level":2,"score":0.23002788424491882},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.21678778529167175},{"id":"https://openalex.org/C57900726","wikidata":"https://www.wikidata.org/wiki/Q492905","display_name":"Diastole","level":3,"score":0.16457349061965942},{"id":"https://openalex.org/C2779161974","wikidata":"https://www.wikidata.org/wiki/Q815819","display_name":"Atrial fibrillation","level":2,"score":0.06811457872390747}],"mesh":[{"descriptor_ui":"D000293","descriptor_name":"Adolescent","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000375","descriptor_name":"Aging","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D001783","descriptor_name":"Blood Flow Velocity","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D004947","descriptor_name":"Esophagus","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":"D006325","descriptor_name":"Heart Atria","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"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":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011667","descriptor_name":"Pulmonary Veins","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":false},{"descriptor_ui":"D011667","descriptor_name":"Pulmonary Veins","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D013599","descriptor_name":"Systole","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D015150","descriptor_name":"Echocardiography, Doppler","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/0002-9149(92)90054-3","doi":"https://doi.org/10.1016/0002-9149(92)90054-3","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0002-9149(92)90054-3","pdf_url":null,"source":{"id":"https://openalex.org/S185186944","display_name":"The American Journal of Cardiology","issn_l":"0002-9149","issn":["0002-9149","1879-1913"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-100","russia-white-list-2","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The American Journal of Cardiology","raw_type":"journal-article"},{"id":"pmid:1414945","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1414945","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":"The American journal of cardiology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9537000060081482}],"study_designs":[{"id":"https://openalex.org/study-designs/observational-study","display_name":"Observational Study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1964417124","https://openalex.org/W1970097180","https://openalex.org/W1974303576","https://openalex.org/W1999027613","https://openalex.org/W2022287582","https://openalex.org/W2163915220"],"related_works":["https://openalex.org/W2471116232","https://openalex.org/W2135863480","https://openalex.org/W2028757216","https://openalex.org/W1975222570","https://openalex.org/W2056809948","https://openalex.org/W2012554694","https://openalex.org/W2032202138","https://openalex.org/W2081380643","https://openalex.org/W1979815128","https://openalex.org/W2036293318"],"abstract_inverted_index":null,"counts_by_year":[],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}