{"id":"https://openalex.org/W7162400958","doi":"https://doi.org/10.48550/arxiv.2605.24576","title":"Associations between echocardiographic traits and AI-ECG predictions of heart failure","display_name":"Associations between echocardiographic traits and AI-ECG predictions of heart failure","publication_year":2026,"publication_date":"2026-05-23","ids":{"openalex":"https://openalex.org/W7162400958","doi":"https://doi.org/10.48550/arxiv.2605.24576"},"language":null,"primary_location":{"id":"doi:10.48550/arxiv.2605.24576","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.24576","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"type":"preprint","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.48550/arxiv.2605.24576","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5115461596","display_name":"Elias Stenhede","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Stenhede, Elias","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005269585","display_name":"Eivind Bj\u00f8rkan Orstad","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Orstad, Eivind Bj\u00f8rkan","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137033760","display_name":"Torbj\u00f8rn Omland","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Omland, Torbj\u00f8rn","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5137004527","display_name":"Henrik Schirmer","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Schirmer, Henrik","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5086482860","display_name":"Arian Ranjbar","orcid":"https://orcid.org/0000-0002-0422-2255"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ranjbar, Arian","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.800000011920929,"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":0.800000011920929,"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/T11021","display_name":"ECG Monitoring and Analysis","score":0.11509999632835388,"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","score":0.024000000208616257,"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/ejection-fraction","display_name":"Ejection fraction","score":0.8141999840736389},{"id":"https://openalex.org/keywords/heart-failure","display_name":"Heart failure","score":0.7085000276565552},{"id":"https://openalex.org/keywords/diastole","display_name":"Diastole","score":0.46639999747276306},{"id":"https://openalex.org/keywords/correlation","display_name":"Correlation","score":0.4474000036716461},{"id":"https://openalex.org/keywords/interpretability","display_name":"Interpretability","score":0.4271000027656555},{"id":"https://openalex.org/keywords/electrocardiography","display_name":"Electrocardiography","score":0.41920000314712524},{"id":"https://openalex.org/keywords/systole","display_name":"Systole","score":0.32919999957084656}],"concepts":[{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.8141999840736389},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.800000011920929},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7806000113487244},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.7567999958992004},{"id":"https://openalex.org/C2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","level":2,"score":0.7085000276565552},{"id":"https://openalex.org/C57900726","wikidata":"https://www.wikidata.org/wiki/Q492905","display_name":"Diastole","level":3,"score":0.46639999747276306},{"id":"https://openalex.org/C117220453","wikidata":"https://www.wikidata.org/wiki/Q5172842","display_name":"Correlation","level":2,"score":0.4474000036716461},{"id":"https://openalex.org/C2781067378","wikidata":"https://www.wikidata.org/wiki/Q17027399","display_name":"Interpretability","level":2,"score":0.4271000027656555},{"id":"https://openalex.org/C2780040984","wikidata":"https://www.wikidata.org/wiki/Q79785","display_name":"Electrocardiography","level":2,"score":0.41920000314712524},{"id":"https://openalex.org/C169554166","wikidata":"https://www.wikidata.org/wiki/Q496359","display_name":"Systole","level":4,"score":0.32919999957084656},{"id":"https://openalex.org/C2780074459","wikidata":"https://www.wikidata.org/wiki/Q389735","display_name":"Heart disease","level":2,"score":0.3149000108242035},{"id":"https://openalex.org/C3020672099","wikidata":"https://www.wikidata.org/wiki/Q857354","display_name":"Longitudinal data","level":2,"score":0.2711000144481659},{"id":"https://openalex.org/C178853913","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Hemodynamics","level":2,"score":0.26190000772476196},{"id":"https://openalex.org/C80461066","wikidata":"https://www.wikidata.org/wiki/Q1698533","display_name":"Stroke volume","level":4,"score":0.2556000053882599},{"id":"https://openalex.org/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.2531999945640564},{"id":"https://openalex.org/C2993376042","wikidata":"https://www.wikidata.org/wiki/Q2002035","display_name":"Ventricular function","level":2,"score":0.2531999945640564}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.48550/arxiv.2605.24576","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.24576","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"doi:10.48550/arxiv.2605.24576","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2605.24576","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.6748529672622681,"id":"https://metadata.un.org/sdg/3"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Artificial":[0],"intelligence-enabled":[1],"electrocardiography":[2],"(AI-ECG)":[3],"can":[4],"detect":[5],"heart":[6],"failure":[7],"(HF),":[8],"including":[9],"disease":[10],"not":[11],"captured":[12],"by":[13,105,135],"left":[14,108,160],"ventricular":[15,109,161],"ejection":[16,110],"fraction":[17,111],"(LVEF),":[18],"but":[19],"the":[20,130],"cardiac":[21],"phenotypes":[22],"underlying":[23],"model":[24,80,218],"predictions":[25,186],"remain":[26],"unclear.":[27],"We":[28,47],"therefore":[29],"investigated":[30],"whether":[31],"AI-ECG-predicted":[32],"HF":[33,82,184],"risk":[34,185],"aligns":[35],"with":[36,148,189,205],"established":[37],"echocardiographic":[38,96],"measures":[39,190],"of":[40,191],"myocardial":[41],"dysfunction,":[42],"remodelling,":[43],"and":[44,51,72,98,107,143,156,214],"filling":[45],"pressures.":[46],"retrospectively":[48],"analysed":[49],"ECG":[50],"echocardiography":[52],"data":[53],"from":[54,119],"8147":[55],"patients":[56,147,204],"who":[57],"underwent":[58],"both":[59],"examinations":[60],"within":[61],"three":[62],"days":[63],"at":[64],"Akershus":[65],"University":[66,121],"Hospital":[67],"between":[68,95],"1":[69,73],"January":[70],"2023":[71],"June":[74],"2025.":[75],"A":[76],"previously":[77],"validated":[78],"AI-ECG":[79,99,183],"for":[81,153,217],"detection":[83],"was":[84],"applied":[85],"to":[86],"all":[87],"ECGs.":[88],"Spearman's":[89],"rank":[90],"correlation":[91,132],"$\u03c1$":[92],"quantified":[93],"associations":[94],"parameters":[97],"risk.":[100],"Subgroup":[101],"analyses":[102],"were":[103],"performed":[104],"sex":[106],"(LVEF).":[112],"External":[113],"validation":[114,180],"included":[115],"36,286":[116],"ECG-echocardiography":[117],"pairs":[118],"Columbia":[120],"Irving":[122],"Medical":[123],"Center.":[124],"Global":[125],"longitudinal":[126,196],"strain":[127],"(GLS)":[128],"showed":[129,171,181],"strongest":[131],"($\u03c1$=0.57),":[133],"followed":[134],"mitral":[136],"annular":[137],"plane":[138],"systolic":[139,192],"excursion":[140],"(MAPSE)":[141],"($\u03c1$=-0.49)":[142],"LVEF":[144],"($\u03c1$=-0.45).":[145],"In":[146],"LVEF&gt;50%,":[149],"correlations":[150,173],"remained":[151],"substantial":[152],"GLS,":[154],"MAPSE,":[155],"diastolic-related":[157,201],"parameters.":[158],"Volumetric":[159],"indices":[162,170],"correlated":[163],"less":[164],"strongly":[165],"in":[166,174,177,203],"women,":[167],"whereas":[168],"diastolic":[169],"stronger":[172],"women":[175],"than":[176],"men.":[178],"Physiological":[179],"that":[182],"align":[187],"primarily":[188],"function,":[193],"particularly":[194],"global":[195],"strain,":[197],"while":[198],"also":[199],"capturing":[200],"abnormalities":[202],"preserved":[206],"LVEF.":[207],"This":[208],"approach":[209],"may":[210],"improve":[211],"clinical":[212],"interpretability":[213],"identify":[215],"opportunities":[216],"refinement.":[219]},"counts_by_year":[],"updated_date":"2026-07-01T06:00:48.157686","created_date":"2026-05-27T00:00:00"}
