{"id":"https://openalex.org/W2397957525","doi":null,"title":"Augmentation of labor: does internal tocography result in better obstetric outcome than external tocography?","display_name":"Augmentation of labor: does internal tocography result in better obstetric outcome than external tocography?","publication_year":1990,"publication_date":"1990-08-01","ids":{"openalex":"https://openalex.org/W2397957525","mag":"2397957525","pmid":"https://pubmed.ncbi.nlm.nih.gov/2196493"},"language":"en","primary_location":{"id":"pmid:2196493","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2196493","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":"Clinical Trial"},"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/A5111850287","display_name":"S. Chua","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146690","display_name":"National University Hospital","ror":"https://ror.org/04fp9fm22","country_code":"SG","type":"healthcare","lineage":["https://openalex.org/I165932596","https://openalex.org/I4210146690","https://openalex.org/I4210150261"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"S Chua","raw_affiliation_strings":["Department of Obstetrics and Gynecology, National University Hospital, Singapore"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, National University Hospital, Singapore","institution_ids":["https://openalex.org/I4210146690"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018170946","display_name":"A. Kurup","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"A Kurup","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076856763","display_name":"Sophie Arulkumaran","orcid":"https://orcid.org/0000-0002-4510-1767","observed_orcids":["https://orcid.org/0000-0002-4510-1767"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S Arulkumaran","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5113903833","display_name":"S. Shan Ratnam","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S S Ratnam","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":2.215,"has_fulltext":false,"cited_by_count":50,"citation_normalized_percentile":{"value":0.87423248,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"76","issue":"2","first_page":"164","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.9984999895095825,"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.9984999895095825,"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/T11389","display_name":"Maternal and fetal healthcare","score":0.00039999998989515007,"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/T10189","display_name":"Anesthesia and Pain Management","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/2703","display_name":"Anesthesiology and Pain 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/labor-augmentation","display_name":"labor augmentation","score":0.9610000252723694},{"id":"https://openalex.org/keywords/intrauterine-pressure-catheter","display_name":"intrauterine pressure catheter","score":0.8700000047683716},{"id":"https://openalex.org/keywords/uterine-contraction-monitoring","display_name":"uterine contraction monitoring","score":0.8259999752044678},{"id":"https://openalex.org/keywords/oxytocin","display_name":"oxytocin","score":0.8140000104904175},{"id":"https://openalex.org/keywords/uterine-hyperstimulation","display_name":"uterine hyperstimulation","score":0.9810000061988831},{"id":"https://openalex.org/keywords/cesarean-section","display_name":"cesarean section","score":0.9179999828338623},{"id":"https://openalex.org/keywords/apgar-score","display_name":"Apgar score","score":0.7940000295639038},{"id":"https://openalex.org/keywords/neonatal-intensive-care","display_name":"neonatal intensive care","score":0.6230000257492065}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9315061569213867},{"id":"https://openalex.org/C2776176026","wikidata":"https://www.wikidata.org/wiki/Q169960","display_name":"Oxytocin","level":2,"score":0.673617422580719},{"id":"https://openalex.org/C2776766599","wikidata":"https://www.wikidata.org/wiki/Q1751296","display_name":"Uterine contraction","level":3,"score":0.6302000880241394},{"id":"https://openalex.org/C2778052368","wikidata":"https://www.wikidata.org/wiki/Q210797","display_name":"Apgar score","level":4,"score":0.5287303924560547},{"id":"https://openalex.org/C61511704","wikidata":"https://www.wikidata.org/wiki/Q1671857","display_name":"Incidence (geometry)","level":2,"score":0.4982128143310547},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.46483325958251953},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.4452809989452362},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.40944698452949524},{"id":"https://openalex.org/C2778376644","wikidata":"https://www.wikidata.org/wiki/Q2253111","display_name":"Gestational age","level":3,"score":0.3049030303955078},{"id":"https://openalex.org/C2779066055","wikidata":"https://www.wikidata.org/wiki/Q9612","display_name":"Uterus","level":2,"score":0.24104824662208557},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.11495143175125122},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D001034","descriptor_name":"Apgar Score","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002585","descriptor_name":"Cesarean Section","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002986","descriptor_name":"Clinical Trials as Topic","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007231","descriptor_name":"Infant, Newborn","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007751","descriptor_name":"Labor, Induced","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D014590","descriptor_name":"Uterine Contraction","qualifier_ui":"Q000502","qualifier_name":"physiology","is_major_topic":false},{"descriptor_ui":"D015148","descriptor_name":"Cardiotocography","qualifier_ui":"Q000379","qualifier_name":"methods","is_major_topic":true}],"locations_count":3,"locations":[{"id":"pmid:2196493","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2196493","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":"Clinical Trial"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/36710","doi":null,"is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/36710","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Article"},{"id":"mag:2397957525","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/2196493","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":[{"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/randomized-controlled-trial","display_name":"Randomized Controlled Trial"},{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2023283399","https://openalex.org/W2327126505","https://openalex.org/W3024469432","https://openalex.org/W4236454908","https://openalex.org/W2925570766","https://openalex.org/W2412927692","https://openalex.org/W3031456811","https://openalex.org/W173600855","https://openalex.org/W2043786863","https://openalex.org/W4224988710"],"abstract_inverted_index":{"Labor":[0],"was":[1,28,54,65,86,131,167,178],"augmented":[2,197],"in":[3,44,73,89,97,114,121,133,139,158,169],"250":[4],"patients":[5,58,120,138],"for":[6,56],"slow":[7],"progress.":[8],"These":[9],"women":[10],"were":[11],"randomized":[12],"to":[13,30,39,163],"have":[14],"uterine":[15,104,201],"contractions":[16,36,202],"recorded":[17],"by":[18,203,214],"either":[19],"an":[20,24,32,61],"external":[21,91,123,141,215],"tocotransducer":[22],"or":[23],"intrauterine":[25,62,204],"catheter.":[26,63],"Oxytocin":[27],"titrated":[29],"achieve":[31],"optimal":[33],"frequency":[34],"of":[35,37,76,84,103,109,118,137,154,174,196,200],"six":[38],"seven":[40],"every":[41],"15":[42],"minutes":[43],"each":[45],"group;":[46],"additional":[47],"information":[48],"on":[49],"active":[50],"contraction":[51],"area":[52],"profiles":[53],"available":[55],"those":[57,182,188],"who":[59,183,189],"had":[60,184,190],"There":[64],"no":[66,191],"statistically":[67],"significant":[68],"difference":[69],"between":[70,181],"the":[71,74,77,90,98,110,119,122,140,159,194],"groups":[72],"length":[75],"post-augmentation":[78],"period.":[79],"The":[80,152,172],"mean":[81],"maximum":[82],"dose":[83,112],"oxytocin":[85,111],"11.1":[87],"mU/minute":[88,96],"tocography":[92,100,126,144,213],"group":[93],"and":[94,116,124,135,142,161,187],"11.0":[95],"internal":[99,125,143],"group.":[101],"Evidence":[102],"hyperstimulation":[105,186],"requiring":[106],"temporary":[107],"reduction":[108],"occurred":[113],"19":[115],"20.2%":[117],"groups,":[127,145],"respectively.":[128],"Cesarean":[129],"delivery":[130],"necessary":[132],"12.6":[134],"16.9%":[136],"respectively,":[146],"which":[147],"is":[148],"a":[149],"nonsignificant":[150],"difference.":[151],"incidence":[153,173],"low":[155],"Apgar":[156,176],"scores":[157,177],"neonates":[160],"admission":[162],"neonatal":[164],"intensive":[165],"care":[166],"similar":[168],"both":[170],"groups.":[171],"poor":[175],"not":[179,208],"different":[180],"transient":[185],"hyperstimulation.":[192],"In":[193],"management":[195],"labor,":[198],"monitoring":[199],"pressure":[205],"catheters":[206],"did":[207],"confer":[209],"any":[210],"advantage":[211],"over":[212],"transducers.":[216]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
