{"id":"https://openalex.org/W2014430138","doi":"https://doi.org/10.1016/s0002-9378(87)80039-x","title":"Leukocyte esterase activity in human amniotic fluid for the rapid detection of chorioamnionitis","display_name":"Leukocyte esterase activity in human amniotic fluid for the rapid detection of chorioamnionitis","publication_year":1987,"publication_date":"1987-09-01","ids":{"openalex":"https://openalex.org/W2014430138","doi":"https://doi.org/10.1016/s0002-9378(87)80039-x","mag":"2014430138","pmid":"https://pubmed.ncbi.nlm.nih.gov/3631174"},"language":"en","primary_location":{"id":"doi:10.1016/s0002-9378(87)80039-x","doi":"https://doi.org/10.1016/s0002-9378(87)80039-x","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0002-9378(87)80039-x","pdf_url":null,"source":{"id":"https://openalex.org/S122347013","display_name":"American Journal of Obstetrics and Gynecology","issn_l":"0002-9378","issn":["0002-9378","1085-8709","1097-6868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Obstetrics and Gynecology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1016/s0002-9378(87)80039-x","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015803143","display_name":"Iffath Abbasi Hoskins","orcid":"https://orcid.org/0000-0002-5349-8653","observed_orcids":["https://orcid.org/0000-0002-5349-8653"]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2800363604","display_name":"Walter Reed National Military Medical Center","ror":"https://ror.org/025cem651","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330347796","https://openalex.org/I2800250139","https://openalex.org/I2800363604","https://openalex.org/I2800386880"]},{"id":"https://openalex.org/I4210150714","display_name":"Johns Hopkins Hospital","ror":"https://ror.org/05cb1k848","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436","https://openalex.org/I4210150714"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Iffath Abbasi Hoskins","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","institution_ids":["https://openalex.org/I2800363604"]},{"raw_affiliation_string":"Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I4210150714"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111842886","display_name":"Timothy R.B. Johnson","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2800363604","display_name":"Walter Reed National Military Medical Center","ror":"https://ror.org/025cem651","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330347796","https://openalex.org/I2800250139","https://openalex.org/I2800363604","https://openalex.org/I2800386880"]},{"id":"https://openalex.org/I4210150714","display_name":"Johns Hopkins Hospital","ror":"https://ror.org/05cb1k848","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436","https://openalex.org/I4210150714"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Timothy R.B. Johnson","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","institution_ids":["https://openalex.org/I2800363604"]},{"raw_affiliation_string":"Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I4210150714"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5076507685","display_name":"Craig A. Winkel","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I145311948","display_name":"Johns Hopkins University","ror":"https://ror.org/00za53h95","country_code":"US","type":"education","lineage":["https://openalex.org/I145311948"]},{"id":"https://openalex.org/I2800363604","display_name":"Walter Reed National Military Medical Center","ror":"https://ror.org/025cem651","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I1330347796","https://openalex.org/I2800250139","https://openalex.org/I2800363604","https://openalex.org/I2800386880"]},{"id":"https://openalex.org/I4210150714","display_name":"Johns Hopkins Hospital","ror":"https://ror.org/05cb1k848","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I2799853436","https://openalex.org/I4210150714"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Craig A. Winkel","raw_affiliation_strings":["Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Obstetrics and Gynecology, Naval Hospital, Bethesda, Maryland","institution_ids":["https://openalex.org/I2800363604"]},{"raw_affiliation_string":"Department of Obstetrics and Gynecology, The Johns Hopkins Hospital, Baltimore, Maryland","institution_ids":["https://openalex.org/I145311948","https://openalex.org/I4210150714"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5015803143"],"corresponding_institution_ids":["https://openalex.org/I145311948","https://openalex.org/I2800363604","https://openalex.org/I4210150714"],"apc_list":{"value":5410,"currency":"USD","value_usd":5410},"apc_paid":{"value":5410,"currency":"USD","value_usd":5410},"fwci":3.1805,"has_fulltext":false,"cited_by_count":30,"citation_normalized_percentile":{"value":0.89465548,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"157","issue":"3","first_page":"730","last_page":"732"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9814000129699707,"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/T11290","display_name":"Preterm Birth and Chorioamnionitis","score":0.9814000129699707,"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/T11961","display_name":"Neonatal and Maternal Infections","score":0.014100000262260437,"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/T10453","display_name":"Maternal and Perinatal Health Interventions","score":0.0010000000474974513,"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/chorioamnionitis","display_name":"chorioamnionitis","score":0.984000027179718},{"id":"https://openalex.org/keywords/leukocyte-esterase","display_name":"leukocyte esterase","score":0.9440000057220459},{"id":"https://openalex.org/keywords/amniotic-fluid","display_name":"amniotic fluid","score":0.9959999918937683},{"id":"https://openalex.org/keywords/rapid-diagnosis","display_name":"rapid diagnosis","score":0.6629999876022339},{"id":"https://openalex.org/keywords/labor","display_name":"labor","score":0.7839999794960022},{"id":"https://openalex.org/keywords/sensitivity-and-specificity","display_name":"sensitivity and specificity","score":0.7009999752044678},{"id":"https://openalex.org/keywords/amniotic-fluid-cell-culture","display_name":"amniotic fluid culture","score":0.7680000066757202},{"id":"https://openalex.org/keywords/gram-stain","display_name":"Gram staining","score":0.9150000214576721},{"id":"https://openalex.org/keywords/maternal-fever","display_name":"maternal fever","score":0.7350000143051147},{"id":"https://openalex.org/keywords/leukocytosis","display_name":"leukocytosis","score":0.9449999928474426},{"id":"https://openalex.org/keywords/fetal-tachycardia","display_name":"fetal tachycardia","score":0.9629999995231628},{"id":"https://openalex.org/keywords/perinatal-morbidity","display_name":"perinatal morbidity","score":0.753000020980835}],"concepts":[{"id":"https://openalex.org/C2777629866","wikidata":"https://www.wikidata.org/wiki/Q473739","display_name":"Chorioamnionitis","level":4,"score":0.9160858988761902},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9012008905410767},{"id":"https://openalex.org/C2778923028","wikidata":"https://www.wikidata.org/wiki/Q974869","display_name":"Leukocytosis","level":2,"score":0.8944980502128601},{"id":"https://openalex.org/C2778194526","wikidata":"https://www.wikidata.org/wiki/Q901674","display_name":"Amniotic fluid","level":4,"score":0.8469551205635071},{"id":"https://openalex.org/C2777896836","wikidata":"https://www.wikidata.org/wiki/Q6534513","display_name":"Leukocyte esterase","level":4,"score":0.750304102897644},{"id":"https://openalex.org/C188816634","wikidata":"https://www.wikidata.org/wiki/Q2113324","display_name":"Prospective cohort study","level":2,"score":0.5045031309127808},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.4685709476470947},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.46373286843299866},{"id":"https://openalex.org/C203014093","wikidata":"https://www.wikidata.org/wiki/Q101929","display_name":"Immunology","level":1,"score":0.39107364416122437},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.36371663212776184},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.35801810026168823},{"id":"https://openalex.org/C2780026642","wikidata":"https://www.wikidata.org/wiki/Q40924","display_name":"Urine","level":2,"score":0.07076388597488403},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05875599384307861},{"id":"https://openalex.org/C2779225474","wikidata":"https://www.wikidata.org/wiki/Q842424","display_name":"Urinalysis","level":3,"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":"D000653","descriptor_name":"Amniotic Fluid","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D002821","descriptor_name":"Chorioamnionitis","qualifier_ui":"Q000175","qualifier_name":"diagnosis","is_major_topic":true},{"descriptor_ui":"D004950","descriptor_name":"Esterases","qualifier_ui":"Q000032","qualifier_name":"analysis","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":"D007743","descriptor_name":"Labor, Obstetric","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007962","descriptor_name":"Leukocytes","qualifier_ui":"Q000201","qualifier_name":"enzymology","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","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":"D011934","descriptor_name":"Reagent Strips","qualifier_ui":"Q000592","qualifier_name":"standards","is_major_topic":true},{"descriptor_ui":"D013997","descriptor_name":"Time Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/s0002-9378(87)80039-x","doi":"https://doi.org/10.1016/s0002-9378(87)80039-x","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0002-9378(87)80039-x","pdf_url":null,"source":{"id":"https://openalex.org/S122347013","display_name":"American Journal of Obstetrics and Gynecology","issn_l":"0002-9378","issn":["0002-9378","1085-8709","1097-6868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Obstetrics and Gynecology","raw_type":"journal-article"},{"id":"pmid:3631174","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/3631174","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":"American journal of obstetrics and gynecology","raw_type":"Comparative Study"}],"best_oa_location":{"id":"doi:10.1016/s0002-9378(87)80039-x","doi":"https://doi.org/10.1016/s0002-9378(87)80039-x","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0002-9378(87)80039-x","pdf_url":null,"source":{"id":"https://openalex.org/S122347013","display_name":"American Journal of Obstetrics and Gynecology","issn_l":"0002-9378","issn":["0002-9378","1085-8709","1097-6868"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"American Journal of Obstetrics and Gynecology","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.98580002784729,"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":10,"referenced_works":["https://openalex.org/W2024394388","https://openalex.org/W2037282464","https://openalex.org/W2091968320","https://openalex.org/W2203708563","https://openalex.org/W2217128089","https://openalex.org/W2411566496","https://openalex.org/W2417901852","https://openalex.org/W2418978486","https://openalex.org/W2441455494","https://openalex.org/W2748064569"],"related_works":["https://openalex.org/W2781934787","https://openalex.org/W2042733234","https://openalex.org/W2795949159","https://openalex.org/W2082233825","https://openalex.org/W2035135042","https://openalex.org/W2913487254","https://openalex.org/W2086443980","https://openalex.org/W2050479582","https://openalex.org/W1997673208","https://openalex.org/W2999567150"],"abstract_inverted_index":{"Chorioamnionitis":[0],"plays":[1],"an":[2],"important":[3],"role":[4],"in":[5,47,84],"perinatal":[6],"morbidity":[7],"and":[8,11,51,59,77,79,89],"mortality.":[9],"Fast":[10],"accurate":[12],"diagnosis":[13,36],"poses":[14],"a":[15,102],"major":[16],"problem.":[17],"A":[18],"prospective":[19],"study":[20],"was":[21,87,92],"performed":[22],"to":[23],"assess":[24],"the":[25,35,90],"value":[26],"of":[27,37,61,69,96],"positive":[28],"leukocyte":[29,62],"esterase":[30,63],"test":[31,98,106],"(Chemstrip":[32],"9)":[33],"for":[34,107],"chorioamnionitis":[38,46,86],"during":[39],"labor.":[40],"We":[41],"evaluated":[42],"21":[43,53],"patients":[44],"with":[45,67],"labor":[48],"at":[49],"term":[50],"used":[52],"matched":[54],"control":[55],"subjects.":[56],"The":[57,82,94],"sensitivity":[58,83],"specificity":[60,91],"activity":[64],"were":[65],"compared":[66],"those":[68],"amniotic":[70],"fluid":[71],"cultures,":[72],"Gram":[73],"stains,":[74],"maternal":[75],"pyrexia":[76],"leukocytosis,":[78],"fetal":[80],"tachycardia.":[81],"diagnosing":[85],"91%":[88],"95%.":[93],"use":[95],"this":[97],"strip":[99],"could":[100],"provide":[101],"rapid,":[103],"inexpensive":[104],"screening":[105],"chorioamnionitis.":[108]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2016-06-24T00:00:00"}
