{"id":"https://openalex.org/W1998148774","doi":"https://doi.org/10.1007/s10554-014-0478-9","title":"Measurements of left ventricular volumes and ejection fraction with three-dimensional echocardiography: feasibility and agreement compared to two-dimensional echocardiography","display_name":"Measurements of left ventricular volumes and ejection fraction with three-dimensional echocardiography: feasibility and agreement compared to two-dimensional echocardiography","publication_year":2014,"publication_date":"2014-06-27","ids":{"openalex":"https://openalex.org/W1998148774","doi":"https://doi.org/10.1007/s10554-014-0478-9","mag":"1998148774","pmid":"https://pubmed.ncbi.nlm.nih.gov/24972778"},"language":"en","primary_location":{"id":"doi:10.1007/s10554-014-0478-9","doi":"https://doi.org/10.1007/s10554-014-0478-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10554-014-0478-9","pdf_url":null,"source":{"id":"https://openalex.org/S22034750","display_name":"International journal of cardiac imaging","issn_l":"0167-9899","issn":["0167-9899","1573-0743"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","poland-70"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The International Journal of Cardiovascular Imaging","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":"https://openalex.org/A5061225089","display_name":"Vidar de Bourg Ruddox","orcid":"https://orcid.org/0000-0001-7760-1590","observed_orcids":["https://orcid.org/0000-0001-7760-1590"]},"institutions":[{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]},{"id":"https://openalex.org/I2802281627","display_name":"Sykehuset i Vestfold","ror":"https://ror.org/04a0aep16","country_code":"NO","type":"healthcare","lineage":["https://openalex.org/I2802281627"]}],"countries":["NO"],"is_corresponding":true,"raw_author_name":"Vidar Ruddox","raw_affiliation_strings":["Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway, vidar.ruddox@siv.no","University of Oslo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway, vidar.ruddox@siv.no","institution_ids":["https://openalex.org/I2802281627"]},{"raw_affiliation_string":"University of Oslo","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077515865","display_name":"Thor Edvardsen","orcid":"https://orcid.org/0000-0002-3800-765X","observed_orcids":["https://orcid.org/0000-0002-3800-765X"]},"institutions":[{"id":"https://openalex.org/I1281400175","display_name":"Oslo University Hospital","ror":"https://ror.org/00j9c2840","country_code":"NO","type":"healthcare","lineage":["https://openalex.org/I1281400175"]},{"id":"https://openalex.org/I184942183","display_name":"University of Oslo","ror":"https://ror.org/01xtthb56","country_code":"NO","type":"education","lineage":["https://openalex.org/I184942183"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Thor Edvardsen","raw_affiliation_strings":["Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway","University of Oslo, Oslo, Norway","Oslo University Hospital\u2014Rikshospitalet","University of Oslo"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway","institution_ids":["https://openalex.org/I1281400175"]},{"raw_affiliation_string":"University of Oslo, Oslo, Norway","institution_ids":["https://openalex.org/I184942183"]},{"raw_affiliation_string":"Oslo University Hospital\u2014Rikshospitalet","institution_ids":["https://openalex.org/I1281400175"]},{"raw_affiliation_string":"University of Oslo","institution_ids":["https://openalex.org/I184942183"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073560667","display_name":"Morten B\u00e6kkevar","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802281627","display_name":"Sykehuset i Vestfold","ror":"https://ror.org/04a0aep16","country_code":"NO","type":"healthcare","lineage":["https://openalex.org/I2802281627"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Morten B\u00e6kkevar","raw_affiliation_strings":["Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway","Vestfold Hospital Trust"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway","institution_ids":["https://openalex.org/I2802281627"]},{"raw_affiliation_string":"Vestfold Hospital Trust","institution_ids":["https://openalex.org/I2802281627"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110473552","display_name":"Jan Erik Otterstad","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2802281627","display_name":"Sykehuset i Vestfold","ror":"https://ror.org/04a0aep16","country_code":"NO","type":"healthcare","lineage":["https://openalex.org/I2802281627"]}],"countries":["NO"],"is_corresponding":false,"raw_author_name":"Jan Erik Otterstad","raw_affiliation_strings":["Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway","Vestfold Hospital Trust"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Cardiology, Vestfold Hospital Trust, Pb 2168, 3103, T\u00f8nsberg, Norway","institution_ids":["https://openalex.org/I2802281627"]},{"raw_affiliation_string":"Vestfold Hospital Trust","institution_ids":["https://openalex.org/I2802281627"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5061225089"],"corresponding_institution_ids":["https://openalex.org/I184942183","https://openalex.org/I2802281627"],"apc_list":{"value":3590,"currency":"USD","value_usd":3590},"apc_paid":null,"fwci":0.6619,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.72785809,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"30","issue":"7","first_page":"1325","last_page":"1330"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10821","display_name":"Cardiovascular Function and Risk Factors","score":0.98580002784729,"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":0.98580002784729,"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/T10372","display_name":"Cardiac Imaging and Diagnostics","score":0.007300000172108412,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"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/T11738","display_name":"Ultrasound in Clinical Applications","score":0.004399999976158142,"subfield":{"id":"https://openalex.org/subfields/2706","display_name":"Critical Care and Intensive Care 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/three-dimensional-echocardiography","display_name":"three-dimensional echocardiography","score":0.9900000095367432},{"id":"https://openalex.org/keywords/two-dimensional-echocardiography","display_name":"two-dimensional echocardiography","score":0.9200000166893005},{"id":"https://openalex.org/keywords/left-ventricular-volume","display_name":"left ventricular volume","score":0.9049999713897705},{"id":"https://openalex.org/keywords/left-ventricular-ejection-fraction","display_name":"left ventricular ejection fraction","score":0.9399999976158142},{"id":"https://openalex.org/keywords/method-agreement","display_name":"measurement agreement","score":0.5820000171661377},{"id":"https://openalex.org/keywords/feasibility","display_name":"feasibility","score":0.6990000009536743},{"id":"https://openalex.org/keywords/cardiac-arrhythmia","display_name":"cardiac arrhythmias","score":0.8939999938011169},{"id":"https://openalex.org/keywords/image-quality","display_name":"image quality","score":0.5680000185966492},{"id":"https://openalex.org/keywords/end-diastolic-volume","display_name":"end-diastolic volume","score":0.8220000267028809},{"id":"https://openalex.org/keywords/end-systolic-volume","display_name":"end-systolic volume","score":0.9990000128746033}],"concepts":[{"id":"https://openalex.org/C78085059","wikidata":"https://www.wikidata.org/wiki/Q641303","display_name":"Ejection fraction","level":3,"score":0.7041925191879272},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.7018140554428101},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6037378907203674},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.505725622177124},{"id":"https://openalex.org/C2778198053","wikidata":"https://www.wikidata.org/wiki/Q181754","display_name":"Heart failure","level":2,"score":0.11410334706306458}],"mesh":[{"descriptor_ui":"D000368","descriptor_name":"Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000369","descriptor_name":"Aged, 80 and over","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003430","descriptor_name":"Cross-Sectional Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005240","descriptor_name":"Feasibility Studies","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":"D006352","descriptor_name":"Heart Ventricles","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D006352","descriptor_name":"Heart Ventricles","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D006760","descriptor_name":"Hospitalization","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006769","descriptor_name":"Hospitals, General","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"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":"D009664","descriptor_name":"Norway","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011237","descriptor_name":"Predictive Value of Tests","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013318","descriptor_name":"Stroke Volume","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D015203","descriptor_name":"Reproducibility of Results","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016277","descriptor_name":"Ventricular Function, Left","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D018487","descriptor_name":"Ventricular Dysfunction, Left","qualifier_ui":"Q000000981","qualifier_name":"diagnostic imaging","is_major_topic":true},{"descriptor_ui":"D018487","descriptor_name":"Ventricular Dysfunction, Left","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":true},{"descriptor_ui":"D019560","descriptor_name":"Echocardiography, Three-Dimensional","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1007/s10554-014-0478-9","doi":"https://doi.org/10.1007/s10554-014-0478-9","is_oa":false,"landing_page_url":"https://doi.org/10.1007/s10554-014-0478-9","pdf_url":null,"source":{"id":"https://openalex.org/S22034750","display_name":"International journal of cardiac imaging","issn_l":"0167-9899","issn":["0167-9899","1573-0743"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","poland-70"],"host_organization":"https://openalex.org/P4310319900","host_organization_name":"Springer Science+Business Media","host_organization_lineage":["https://openalex.org/P4310319900","https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Science+Business Media","Springer Nature"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"The International Journal of Cardiovascular Imaging","raw_type":"journal-article"},{"id":"pmid:24972778","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/24972778","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 international journal of cardiovascular imaging","raw_type":"Comparative Study"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.9763000011444092}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W189854371","https://openalex.org/W1503282236","https://openalex.org/W1590453490","https://openalex.org/W2050477993","https://openalex.org/W2050680893","https://openalex.org/W2098766590","https://openalex.org/W2104469694","https://openalex.org/W2105070149","https://openalex.org/W2107668766","https://openalex.org/W2118291118","https://openalex.org/W2124325601","https://openalex.org/W2129794554","https://openalex.org/W2137990978","https://openalex.org/W2150307574","https://openalex.org/W2152949284","https://openalex.org/W2415396742","https://openalex.org/W2517456774","https://openalex.org/W4232147792","https://openalex.org/W4256211482"],"related_works":["https://openalex.org/W1514135335","https://openalex.org/W2800326700","https://openalex.org/W2132505658","https://openalex.org/W3203055812","https://openalex.org/W2999331232","https://openalex.org/W4308929050","https://openalex.org/W4312187803","https://openalex.org/W4311734797","https://openalex.org/W4285012349","https://openalex.org/W2418068631"],"abstract_inverted_index":null,"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":4},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}