{"id":"https://openalex.org/W2397475606","doi":null,"title":"Hemodynamic changes in underweight pregnant women.","display_name":"Hemodynamic changes in underweight pregnant women.","publication_year":1992,"publication_date":"1992-06-01","ids":{"openalex":"https://openalex.org/W2397475606","mag":"2397475606","pmid":"https://pubmed.ncbi.nlm.nih.gov/1579311"},"language":"en","primary_location":{"id":"pmid:1579311","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1579311","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":"Obstetrics and gynecology","raw_type":"Comparative Study"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5052970796","display_name":"Pedro Rosso","orcid":"https://orcid.org/0000-0002-4698-1938","observed_orcids":["https://orcid.org/0000-0002-4698-1938"]},"institutions":[{"id":"https://openalex.org/I162148367","display_name":"Pontificia Universidad Cat\u00f3lica de Chile","ror":"https://ror.org/04teye511","country_code":"CL","type":"education","lineage":["https://openalex.org/I162148367"]}],"countries":["CL"],"is_corresponding":false,"raw_author_name":"P Rosso","raw_affiliation_strings":["Department of Pediatrics, School of Medicine, Pontificia Universidad Cat\u00f3lica de Chile, Santiago"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Pediatrics, School of Medicine, Pontificia Universidad Cat\u00f3lica de Chile, Santiago","institution_ids":["https://openalex.org/I162148367"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113684971","display_name":"E Donoso","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"E Donoso","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5077313650","display_name":"Steve Braun","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S Braun","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005613337","display_name":"Ricardo Espinoza","orcid":"https://orcid.org/0000-0001-5778-6970","observed_orcids":["https://orcid.org/0000-0001-5778-6970"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"R Espinoza","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5076494835","display_name":"Sof\u00eda P. Salas","orcid":"https://orcid.org/0000-0002-7865-291X","observed_orcids":["https://orcid.org/0000-0002-7865-291X"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S P Salas","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.6948,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.89790413,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"79","issue":"6","first_page":"908","last_page":"12"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.9785000085830688,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T10290","display_name":"Pregnancy and preeclampsia studies","score":0.9785000085830688,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/T11629","display_name":"Birth, Development, and Health","score":0.020600000396370888,"subfield":{"id":"https://openalex.org/subfields/2735","display_name":"Pediatrics, Perinatology and Child Health"},"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/T10673","display_name":"Gestational Diabetes Research and Management","score":0.000699999975040555,"subfield":{"id":"https://openalex.org/subfields/2729","display_name":"Obstetrics and Gynecology"},"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/maternal-underweight","display_name":"maternal underweight","score":0.9200000166893005},{"id":"https://openalex.org/keywords/pregnancy","display_name":"pregnancy","score":0.7120000123977661},{"id":"https://openalex.org/keywords/intrauterine-growth-restriction","display_name":"fetal growth restriction","score":0.9049999713897705},{"id":"https://openalex.org/keywords/maternal-hemodynamics","display_name":"maternal hemodynamics","score":0.8669999837875366},{"id":"https://openalex.org/keywords/plasma-volume","display_name":"plasma volume","score":0.9490000009536743},{"id":"https://openalex.org/keywords/cardiac-output","display_name":"cardiac output","score":0.996999979019165},{"id":"https://openalex.org/keywords/systemic-vascular-resistance","display_name":"systemic vascular resistance","score":0.8939999938011169},{"id":"https://openalex.org/keywords/birth-weight","display_name":"birth weight","score":0.8220000267028809},{"id":"https://openalex.org/keywords/placental-weight","display_name":"placental weight","score":0.8970000147819519},{"id":"https://openalex.org/keywords/maternal-weight","display_name":"maternal weight","score":0.42800000309944153}],"concepts":[{"id":"https://openalex.org/C2781121325","wikidata":"https://www.wikidata.org/wiki/Q1146902","display_name":"Underweight","level":4,"score":0.9651313424110413},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.8745731115341187},{"id":"https://openalex.org/C139940330","wikidata":"https://www.wikidata.org/wiki/Q596579","display_name":"Cardiac output","level":3,"score":0.6743265390396118},{"id":"https://openalex.org/C58245268","wikidata":"https://www.wikidata.org/wiki/Q456026","display_name":"Vascular resistance","level":3,"score":0.6100553870201111},{"id":"https://openalex.org/C178853913","wikidata":"https://www.wikidata.org/wiki/Q1642137","display_name":"Hemodynamics","level":2,"score":0.5855772495269775},{"id":"https://openalex.org/C66322754","wikidata":"https://www.wikidata.org/wiki/Q4128476","display_name":"Birth weight","level":3,"score":0.58388751745224},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.5315396785736084},{"id":"https://openalex.org/C2779083892","wikidata":"https://www.wikidata.org/wiki/Q6692979","display_name":"Low birth weight","level":3,"score":0.42130744457244873},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.40311771631240845},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.3969559073448181},{"id":"https://openalex.org/C134018914","wikidata":"https://www.wikidata.org/wiki/Q162606","display_name":"Endocrinology","level":1,"score":0.34402406215667725},{"id":"https://openalex.org/C511355011","wikidata":"https://www.wikidata.org/wiki/Q12174","display_name":"Obesity","level":2,"score":0.26845794916152954},{"id":"https://openalex.org/C2780586474","wikidata":"https://www.wikidata.org/wiki/Q332428","display_name":"Overweight","level":3,"score":0.08931422233581543},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05372577905654907},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"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":"D001724","descriptor_name":"Birth Weight","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D001835","descriptor_name":"Body Weight","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D002302","descriptor_name":"Cardiac Output","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","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":"D010953","descriptor_name":"Plasma Volume","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011263","descriptor_name":"Pregnancy Trimester, Third","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:1579311","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1579311","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":"Obstetrics and gynecology","raw_type":"Comparative Study"},{"id":"mag:2397475606","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/1579311","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":null,"is_accepted":false,"is_published":false,"raw_source_name":"PubMed","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9789000153541565,"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3"}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2095421763","https://openalex.org/W2037470412","https://openalex.org/W3115604414","https://openalex.org/W2556517854","https://openalex.org/W1527844141","https://openalex.org/W1509036375","https://openalex.org/W2730294397","https://openalex.org/W1572116279","https://openalex.org/W2161958074","https://openalex.org/W2101955407"],"abstract_inverted_index":{"Twelve":[0],"normal-weight":[1,35],"and":[2,36,57,100,159,176,181,222],"12":[3],"underweight":[4,15,42,63,79,98,118,135,206],"women":[5,43,64,99],"were":[6,137],"compared":[7],"to":[8,19],"test":[9],"whether":[10],"fetal":[11,213],"growth":[12,214],"retardation":[13,215],"in":[14,34,41,55,62,75,78,97,105,116],"gravidas":[16,136],"is":[17],"related":[18],"inadequate":[20],"maternal":[21,143],"hemodynamic":[22],"adjustments.":[23],"Plasma":[24],"volume":[25,145,221],"(+/-":[26],"standard":[27],"error)":[28],"was":[29,50,73,92,114],"3227":[30],"+/-":[31,38,52,59,82,86,94,102],"103":[32],"mL":[33,40],"2731":[37],"84":[39],"(P":[44,65,107],"less":[45,66,108,156,166,195],"than":[46,67,77,109,157,167,196],".002).":[47],"Cardiac":[48,184],"output":[49,185],"6340":[51],"167":[53],"mL/minute":[54,61],"controls":[56,76,106],"5689":[58],"213":[60],".03).":[68],"Total":[69],"peripheral":[70,170],"vascular":[71,171],"resistance":[72,172],"lower":[74,223],"subjects":[80],"(1025":[81],"31":[83],"versus":[84],"1198":[85],"58":[87],"dyne/second/cm5).":[88],"Mean":[89],"birth":[90,129,150],"weight":[91,113,151,161,180,190],"2837":[93],"125":[95],"g":[96,104],"3362":[101],"106":[103],".005).":[110],"Similarly,":[111],"placental":[112,160,182,189],"reduced":[115],"the":[117,203],"group.":[119],"All":[120],"infants":[121,133],"delivered":[122],"by":[123],"control":[124],"mothers":[125,207],"had":[126],"a":[127,218],"normal":[128],"weight,":[130],"whereas":[131],"six":[132],"from":[134],"growth-retarded.":[138],"In":[139],"all":[140],"cases":[141],"combined,":[142],"plasma":[144,220],"correlated":[146,174,186],"significantly":[147,175],"with":[148,178,188,202],"both":[149],"(r":[152,162,191],"=":[153,163,192],"0.6,":[154],"P":[155,165,194],".002)":[158],"0.56,":[164],".01);":[168],"total":[169],"also":[173],"inversely":[177],"newborn":[179],"weight.":[183],"only":[187],"0.54,":[193],".02).":[197],"These":[198],"results":[199],"are":[200,208],"consistent":[201],"hypothesis":[204],"that":[205],"at":[209],"higher":[210],"risk":[211],"of":[212,217],"because":[216],"smaller":[219],"cardiac":[224],"output.":[225]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}