{"id":"https://openalex.org/W2207528520","doi":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","title":"Fetal cardiac output measured by four-way thermodilution","display_name":"Fetal cardiac output measured by four-way thermodilution","publication_year":1980,"publication_date":"1980-07-01","ids":{"openalex":"https://openalex.org/W2207528520","doi":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","mag":"2207528520","pmid":"https://pubmed.ncbi.nlm.nih.gov/6994512"},"language":"en","primary_location":{"id":"doi:10.1152/ajpheart.1980.239.1.h125","doi":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","is_oa":false,"landing_page_url":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","pdf_url":null,"source":{"id":"https://openalex.org/S87338489","display_name":"American Journal of Physiology-Heart and Circulatory Physiology","issn_l":"0363-6135","issn":["0363-6135","1522-1539"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Physiology-Heart and Circulatory Physiology","raw_type":"journal-article"},"volume":null,"type":"article","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/A5062400044","display_name":"Rodney D. Gilbert","orcid":"https://orcid.org/0000-0001-7426-0188","observed_orcids":["https://orcid.org/0000-0001-7426-0188"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R. D. Gilbert","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085647163","display_name":"Gordon G. Power","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"G. G. Power","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039512687","display_name":"Helmut Schr\u00f6der","orcid":"https://orcid.org/0000-0003-2231-5081","observed_orcids":["https://orcid.org/0000-0003-2231-5081"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"H. Schroder","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109048794","display_name":"L. D. Longo","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"L. D. Longo","raw_affiliation_strings":[""],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.24593683,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"239","issue":"1","first_page":"H125","last_page":"H132"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9897000193595886,"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"}},"topics":[{"id":"https://openalex.org/T11700","display_name":"Hemodynamic Monitoring and Therapy","score":0.9897000193595886,"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/T10300","display_name":"Congenital Heart Disease Studies","score":0.006000000052154064,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11209","display_name":"Cardiovascular and exercise physiology","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/2707","display_name":"Complementary and alternative 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/fetal-cardiac-output","display_name":"fetal cardiac output","score":1.0},{"id":"https://openalex.org/keywords/thermodilution","display_name":"thermodilution","score":0.9580000042915344},{"id":"https://openalex.org/keywords/fetal-sheep","display_name":"fetal sheep","score":0.7300000190734863},{"id":"https://openalex.org/keywords/brachiocephalic-artery","display_name":"brachiocephalic artery","score":0.8370000123977661},{"id":"https://openalex.org/keywords/descending-aorta","display_name":"descending aorta","score":0.9729999899864197},{"id":"https://openalex.org/keywords/superior-vena-cava","display_name":"superior vena cava","score":0.8199999928474426},{"id":"https://openalex.org/keywords/inferior-vena-cava","display_name":"inferior vena cava","score":0.9950000047683716},{"id":"https://openalex.org/keywords/electromagnetic-flow-probe","display_name":"electromagnetic flow probe","score":0.7409999966621399},{"id":"https://openalex.org/keywords/microsphere-technique","display_name":"microsphere technique","score":0.6700000166893005},{"id":"https://openalex.org/keywords/fetal-circulation","display_name":"fetal circulation","score":0.3919999897480011}],"concepts":[{"id":"https://openalex.org/C139940330","wikidata":"https://www.wikidata.org/wiki/Q596579","display_name":"Cardiac output","level":3,"score":0.6661125421524048},{"id":"https://openalex.org/C158846371","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Blood flow","level":2,"score":0.564091682434082},{"id":"https://openalex.org/C2908767450","wikidata":"https://www.wikidata.org/wiki/Q736995","display_name":"Superior vena cava","level":2,"score":0.5382257699966431},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5372862815856934},{"id":"https://openalex.org/C164705383","wikidata":"https://www.wikidata.org/wiki/Q10379","display_name":"Cardiology","level":1,"score":0.5203033089637756},{"id":"https://openalex.org/C2779980429","wikidata":"https://www.wikidata.org/wiki/Q101004","display_name":"Aorta","level":2,"score":0.5075966119766235},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.48254579305648804},{"id":"https://openalex.org/C2780663194","wikidata":"https://www.wikidata.org/wiki/Q3270170","display_name":"Descending aorta","level":3,"score":0.4731622338294983},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.4556539058685303},{"id":"https://openalex.org/C2910216633","wikidata":"https://www.wikidata.org/wiki/Q745438","display_name":"Inferior vena cava","level":2,"score":0.43939799070358276},{"id":"https://openalex.org/C178853913","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Hemodynamics","level":2,"score":0.38744020462036133},{"id":"https://openalex.org/C136229726","wikidata":"https://www.wikidata.org/wiki/Q327092","display_name":"Biomedical engineering","level":1,"score":0.34071266651153564},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.3202046751976013},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.10839277505874634},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000818","descriptor_name":"Animals","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002302","descriptor_name":"Cardiac Output","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004395","descriptor_name":"Dye Dilution Technique","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":"D005333","descriptor_name":"Fetus","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D008433","descriptor_name":"Mathematics","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008863","descriptor_name":"Microspheres","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D012756","descriptor_name":"Sheep","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D013815","descriptor_name":"Thermodilution","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1152/ajpheart.1980.239.1.h125","doi":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","is_oa":false,"landing_page_url":"https://doi.org/10.1152/ajpheart.1980.239.1.h125","pdf_url":null,"source":{"id":"https://openalex.org/S87338489","display_name":"American Journal of Physiology-Heart and Circulatory Physiology","issn_l":"0363-6135","issn":["0363-6135","1522-1539"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","jufo-2","ki-jl-2","medline","norway-2","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Physiology-Heart and Circulatory Physiology","raw_type":"journal-article"},{"id":"pmid:6994512","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/6994512","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 physiology","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8048999905586243,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2411554841","https://openalex.org/W2462492085","https://openalex.org/W1984570654","https://openalex.org/W1957177722","https://openalex.org/W2061938092","https://openalex.org/W2023739786","https://openalex.org/W299010676","https://openalex.org/W2071063831","https://openalex.org/W1993079681","https://openalex.org/W2076319034"],"abstract_inverted_index":{"To":[0],"measure":[1],"fetal":[2,111,162],"cardiac":[3,119],"output":[4,58,120],"by":[5],"thermodilution,":[6],"we":[7,39,90],"injected":[8],"2.5":[9],"ml":[10],"of":[11,24,83,105,117,143,176],"iced":[12],"5%":[13],"glucose":[14],"rapidly":[15],"into":[16,43],"the":[17,28,41,44,78,84,141,164],"superior":[18],"vena":[19,46],"cava":[20,47],"and":[21,32,48,55,145,159,168,191,197],"recorded":[22,49],"areas":[23,50],"temperature-time":[25],"curves":[26,53],"in":[27,80,148,152],"brachiocephalic":[29,124],"artery":[30],"(AS)":[31],"descending":[33],"aorta":[34,122],"(BS).":[35],"One":[36],"minute":[37],"later":[38],"repeated":[40],"injection":[42],"inferior":[45],"under":[51],"two":[52],"(AI":[54],"BI).":[56],"Cardiac":[57],"was":[59,135,171],"calculated":[60],"as":[61],"Qco":[62],"=":[63,100],"H":[64,76],"(AS":[65],"+":[66,123],"BI":[67],"-":[68,70,73],"AI":[69],"BS)":[71],"(ASBI":[72],"AIBS),":[74],"where":[75],"is":[77,192],"change":[79],"caloric":[81],"content":[82],"blood.":[85],"In":[86,107,156],"a":[87,103,174],"mechanical":[88],"model":[89],"found":[91],"thermal":[92,130,169],"results":[93,186],"correlated":[94,126],"well":[95,127],"with":[96,102,129,173],"timed":[97],"collections":[98],"(r":[99],"0.98)":[101],"slope":[104,133,175],"0.995.":[106],"7":[108],"acutely":[109,158],"prepared":[110,161],"lambs,":[112,163],"electromagnetic":[113],"flow":[114,153],"probe":[115],"measurements":[116,170],"total":[118],"(descending":[121],"artery)":[125],"(0.90)":[128],"measurements.":[131,155],"The":[132],"(1.16)":[134],"significantly":[136,179],"greater":[137],"than":[138],"1.0,":[139],"reflecting":[140],"inclusion":[142],"coronary":[144],"pulmonary":[146],"flows":[147],"thermal,":[149],"but":[150],"not":[151,178],"probe,":[154],"11":[157],"chronically":[160],"correlation":[165],"between":[166],"microsphere":[167],"0.81":[172],"1.09,":[177],"different":[180],"from":[181],"1.0.":[182],"Hence,":[183],"thermodilution":[184],"gives":[185],"comparable":[187],"to":[188],"other":[189],"methods":[190],"convenient,":[193],"indefinitely":[194],"repeatable,":[195],"inexpensive,":[196],"nonradioactive.":[198]},"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
