{"id":"https://openalex.org/W143385829","doi":null,"title":"A comparison of nifedipine with methyldopa in pregnancy induced hypertension.","display_name":"A comparison of nifedipine with methyldopa in pregnancy induced hypertension.","publication_year":1994,"publication_date":"1994-06-01","ids":{"openalex":"https://openalex.org/W143385829","mag":"143385829","pmid":"https://pubmed.ncbi.nlm.nih.gov/7923458"},"language":"en","primary_location":{"id":"pmid:7923458","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7923458","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 Ceylon medical journal","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/A5084923929","display_name":"J Jayawardana","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"J Jayawardana","raw_affiliation_strings":["General Hospital, Peradeniya, Sri Lanka"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"General Hospital, Peradeniya, Sri Lanka","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5073336385","display_name":"N Lekamge","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"N Lekamge","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.4928,"has_fulltext":false,"cited_by_count":24,"citation_normalized_percentile":{"value":0.60642885,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"39","issue":"2","first_page":"87","last_page":"90"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10290","display_name":"Pregnancy and preeclampsia studies","score":1.0,"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":1.0,"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/T12464","display_name":"Neurological Complications and Syndromes","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"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/T10144","display_name":"Blood Pressure and Hypertension Studies","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/nifedipine","display_name":"nifedipine","score":0.8809999823570251},{"id":"https://openalex.org/keywords/methyldopa","display_name":"methyldopa","score":1.0},{"id":"https://openalex.org/keywords/gestational-hypertension","display_name":"gestational hypertension","score":0.8650000095367432},{"id":"https://openalex.org/keywords/antihypertensive-drug-comparison","display_name":"antihypertensive drug comparison","score":0.7599999904632568},{"id":"https://openalex.org/keywords/blood-pressure-control","display_name":"blood pressure control","score":0.843999981880188},{"id":"https://openalex.org/keywords/fetal-maturation","display_name":"fetal maturity","score":0.6200000047683716},{"id":"https://openalex.org/keywords/birth-weight","display_name":"birth weight","score":0.7860000133514404},{"id":"https://openalex.org/keywords/apgar-score","display_name":"Apgar score","score":0.9160000085830688},{"id":"https://openalex.org/keywords/intrauterine-fetal-death","display_name":"intrauterine fetal death","score":0.7149999737739563},{"id":"https://openalex.org/keywords/mode-of-delivery","display_name":"mode of delivery","score":0.7620000243186951},{"id":"https://openalex.org/keywords/maternal-side-effects","display_name":"maternal side effects","score":0.6959999799728394},{"id":"https://openalex.org/keywords/prolongation-of-pregnancy","display_name":"pregnancy prolongation","score":0.5960000157356262},{"id":"https://openalex.org/keywords/antihypertensive-therapy-in-pregnancy","display_name":"antihypertensive therapy in pregnancy","score":0.6919999718666077},{"id":"https://openalex.org/keywords/calcium-channel-blockers","display_name":"calcium channel blockers","score":0.6589999794960022},{"id":"https://openalex.org/keywords/alpha-2-adrenergic-agonists","display_name":"alpha-2 adrenergic agonists","score":0.8889999985694885}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9339231252670288},{"id":"https://openalex.org/C84393581","wikidata":"https://www.wikidata.org/wiki/Q82642","display_name":"Blood pressure","level":2,"score":0.8244071006774902},{"id":"https://openalex.org/C2779066535","wikidata":"https://www.wikidata.org/wiki/Q39111","display_name":"Nifedipine","level":3,"score":0.7663115859031677},{"id":"https://openalex.org/C2776289377","wikidata":"https://www.wikidata.org/wiki/Q412621","display_name":"Methyldopa","level":3,"score":0.693334698677063},{"id":"https://openalex.org/C2779234561","wikidata":"https://www.wikidata.org/wiki/Q11995","display_name":"Pregnancy","level":2,"score":0.643427312374115},{"id":"https://openalex.org/C2778052368","wikidata":"https://www.wikidata.org/wiki/Q210797","display_name":"Apgar score","level":4,"score":0.5948656797409058},{"id":"https://openalex.org/C66322754","wikidata":"https://www.wikidata.org/wiki/Q4128476","display_name":"Birth weight","level":3,"score":0.5211306214332581},{"id":"https://openalex.org/C131872663","wikidata":"https://www.wikidata.org/wiki/Q5284418","display_name":"Obstetrics","level":1,"score":0.5076812505722046},{"id":"https://openalex.org/C46973012","wikidata":"https://www.wikidata.org/wiki/Q28627","display_name":"Gestation","level":3,"score":0.49393230676651},{"id":"https://openalex.org/C172680121","wikidata":"https://www.wikidata.org/wiki/Q26513","display_name":"Fetus","level":3,"score":0.4589553475379944},{"id":"https://openalex.org/C42219234","wikidata":"https://www.wikidata.org/wiki/Q131130","display_name":"Anesthesia","level":1,"score":0.435842901468277},{"id":"https://openalex.org/C57900726","wikidata":"https://www.wikidata.org/wiki/Q492905","display_name":"Diastole","level":3,"score":0.4180411100387573},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.2581382095813751},{"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},{"id":"https://openalex.org/C519063684","wikidata":"https://www.wikidata.org/wiki/Q706","display_name":"Calcium","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000328","descriptor_name":"Adult","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":"D006973","descriptor_name":"Hypertension","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":true},{"descriptor_ui":"D006973","descriptor_name":"Hypertension","qualifier_ui":"Q000209","qualifier_name":"etiology","is_major_topic":false},{"descriptor_ui":"D006973","descriptor_name":"Hypertension","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D008750","descriptor_name":"Methyldopa","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D009543","descriptor_name":"Nifedipine","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D011247","descriptor_name":"Pregnancy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011249","descriptor_name":"Pregnancy Complications, Cardiovascular","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":true},{"descriptor_ui":"D011249","descriptor_name":"Pregnancy Complications, Cardiovascular","qualifier_ui":"Q000503","qualifier_name":"physiopathology","is_major_topic":false},{"descriptor_ui":"D011446","descriptor_name":"Prospective Studies","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"pmid:7923458","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7923458","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 Ceylon medical journal","raw_type":"Clinical Trial"},{"id":"mag:143385829","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/7923458","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":1.0,"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being"}],"study_designs":[{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2597352391","https://openalex.org/W2759750092","https://openalex.org/W2187345531","https://openalex.org/W3190298148","https://openalex.org/W2594395672","https://openalex.org/W2133265308","https://openalex.org/W6999210775","https://openalex.org/W4408124795","https://openalex.org/W3036106630","https://openalex.org/W2050570696"],"abstract_inverted_index":{"OBJECTIVE:":[0],"To":[1],"compare":[2],"nifedipine":[3,49,285],"(group":[4,8,114],"1)":[5],"with":[6,35,156],"methyldopa":[7,58,290],"2)":[9],"in":[10,45,55,127,182,226,258,264,291],"the":[11,66,71,107,153,241,273,292],"management":[12],"of":[13,32,74,82,87,112,160,172,175,237,275,280,294],"pregnancy":[14,242],"induced":[15],"hypertension":[16,271],"(PIH).":[17],"DESIGN:":[18],"A":[19,30],"prospective":[20],"clinical":[21],"trial.":[22],"SETTING:":[23],"Obstetric":[24],"Unit,":[25],"General":[26],"Hospital,":[27],"Peradeniya.":[28],"PATIENTS:":[29],"total":[31],"126":[33],"patients":[34,44,75,263],"PIH":[36],"were":[37],"allocated":[38],"alternately":[39],"to":[40,51,60,70,106,158,240],"either":[41],"group.":[42],"The":[43,101,147,249,278],"group":[46,56,119,253,259,265],"1":[47],"received":[48],"30":[50],"90":[52],"mg/day":[53],"and":[54,98,132,136,143,167,187,198,209,220,231,235,261],"2":[57,254,266],"750":[59],"2000":[61],"mg/day.":[62],"MEASUREMENTS:":[63],"Blood":[64],"pressure,":[65],"extra":[67],"days":[68,238],"added":[69,239],"pregnancy,":[72],"number":[73,174,236],"treated":[76],"for":[77,252,269],"acute":[78,270],"hypertensive":[79],"episodes,":[80],"maturity":[81,159],"fetus":[83,161],"at":[84,162],"birth,":[85],"mode":[86,171],"delivery,":[88,173],"birth":[89,224],"weight,":[90],"intrauterine":[91,176],"deaths,":[92,177],"Apgar":[93,250],"score,":[94],"maternal":[95],"side":[96],"effects":[97],"complications.":[99],"RESULTS:":[100],"two":[102,154],"groups":[103],"on":[104],"admission":[105],"study":[108,282],"had":[109],"similar":[110],"periods":[111],"gestation":[113],"1,":[115,260],"33.6":[116],"+":[117,122,130,134,141,145,165,169,185,189,196,200,207,211,218,222,229,233,244,247],"5.9,":[118],"2,":[120],"34.1":[121],"4.2),":[123],"systolic":[124,179,203],"blood":[125,138,180,193,204,215],"pressure":[126,139,181,194,205,216],"mmHg":[128,183],"(151":[129],"22,":[131],"154":[133],"24)":[135],"diastolic":[137,192,214],"(108":[140],"12,":[142],"108":[144],"12).":[146],"results":[148,279],"showed":[149],"no":[150],"differences":[151],"between":[152],"groups,":[155],"respect":[157],"delivery":[163],"(35.1":[164],"5.5,":[166],"35.7":[168],"2.9),":[170],"average":[178,191],"(148":[184],"14":[186],"152":[188],"16),":[190],"(102":[195],"8":[197],"104":[199],"9),":[201],"highest":[202,213],"(169":[206],"24":[208],"167":[210],"30),":[212],"(115":[217],"12":[219],"116":[221],"11),":[223],"weight":[225],"kg":[227],"(2.015":[228],"0.957,":[230],"1.922":[232],"0.660)":[234],"(7":[243],"7,":[245],"9":[246],"11).":[248],"score":[251],"was":[255],"better":[256],"than":[257],"less":[262],"required":[267],"treatment":[268,293],"during":[272],"period":[274],"study.":[276],"CONCLUSIONS:":[277],"our":[281],"indicate":[283],"that":[284],"is":[286],"as":[287,289],"effective":[288],"PIH.":[295]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":3},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}