{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,10,31]],"date-time":"2023-10-31T07:45:46Z","timestamp":1698738346840},"reference-count":26,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2013,1,21]],"date-time":"2013-01-21T00:00:00Z","timestamp":1358726400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2013,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Guidelines define hypertension diagnosed before 20\u00a0weeks' gestation as chronic hypertension (<jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content>) and thereafter as gestational hypertension (<jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content>). We tested whether hypertension diagnosed before 20\u00a0weeks is preceded by <jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content> and whether pregnancy outcome depends on the time of onset of hypertension.<\/jats:p><\/jats:sec><jats:sec><jats:title>Design<\/jats:title><jats:p>Retrospective cohort study.<\/jats:p><\/jats:sec><jats:sec><jats:title>Setting<\/jats:title><jats:p>Tertiary obstetric center.<\/jats:p><\/jats:sec><jats:sec><jats:title>Population<\/jats:title><jats:p>Women with a history of obstetric vascular complications.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Blood pressure data prior to and during pregnancy and subsequent maternal and neonatal outcome were reviewed in 148 women. Women were grouped according to the onset of hypertension; pre\u2010pregnancy (<jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content>), before 20\u00a0weeks' (early <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content>), after 20\u00a0weeks' gestation (late <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content>) and normotensive.<\/jats:p><\/jats:sec><jats:sec><jats:title>Main outcome measures<\/jats:title><jats:p>Onset of hypertension, obstetric complications (pre\u2010eclampsia, <jats:styled-content style=\"fixed-case\">HELLP<\/jats:styled-content> (hemolysis, elevated liver enzymes and low platelets) syndrome, intra\u2010uterine growth restriction).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Twenty\u2010nine women had <jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content>. Early <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content> occurred in 46 women and another 32 developed late <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content>. Of 75 women with hypertension in the first half of pregnancy, 29 (39%) had <jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content> and 46 (61%) early <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content>. Obstetric complications occurred more often in all hypertensive women, but no differences between the <jats:styled-content style=\"fixed-case\">CH<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">GH<\/jats:styled-content> groups could be detected.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Hypertension detected in the first half of pregnancy does not necessarily indicate chronic hypertension. Hypertension in general is related to hypertensive maternal complications and fetal growth restriction. Differentiating between chronic or gestational hypertension does not seem to help in establishing the risk for later hypertensive sequelae or intra\u2010uterine growth restriction.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aogs.12061","type":"journal-article","created":{"date-parts":[[2012,12,13]],"date-time":"2012-12-13T21:03:07Z","timestamp":1355432587000},"page":"312-317","update-policy":"http:\/\/dx.doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Differentiating between gestational and chronic hypertension; an explorative study"],"prefix":"10.1111","volume":"92","author":[{"given":"Josien A.","family":"Terwisscha van Scheltinga","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Radboud University Nijmegen Medical Center Nijmegen the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ineke","family":"Krabbendam","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Radboud University Nijmegen Medical Center Nijmegen the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marc E.A.","family":"Spaanderman","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Radboud University Nijmegen Medical Center Nijmegen the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,1,21]]},"reference":[{"key":"e_1_2_8_2_1","doi-asserted-by":"publisher","DOI":"10.1067\/mob.2000.107928"},{"key":"e_1_2_8_3_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2125.2011.04002.x"},{"key":"e_1_2_8_4_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(09)60736-4"},{"key":"e_1_2_8_5_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1479-828X.2009.01003.x"},{"key":"e_1_2_8_6_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1479-828X.2000.tb01137.x"},{"key":"e_1_2_8_7_1","doi-asserted-by":"publisher","DOI":"10.3109\/10641950109152635"},{"issue":"2","key":"e_1_2_8_8_1","doi-asserted-by":"crossref","first-page":"396","DOI":"10.1097\/AOG.0b013e318249ff06","article-title":"ACOG Practice Bulletin No. 125: Chronic hypertension in pregnancy","volume":"119","author":"American College of Obstetricians and Gynecologists","year":"2012","journal-title":"Obstet Gynecol"},{"key":"e_1_2_8_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/00006250-200208000-00029"},{"key":"e_1_2_8_10_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1479-828X.2004.00267.x"},{"key":"e_1_2_8_11_1","first-page":"517","article-title":"Pregnancy outcome of intensive therapy in severe hypertension in first trimester","volume":"67","author":"Sibai BM","year":"1986","journal-title":"Obstet Gynecol"},{"key":"e_1_2_8_12_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0378-3782(01)00181-5"},{"key":"e_1_2_8_13_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1998.tb09971.x"},{"key":"e_1_2_8_14_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(00)03552-2"},{"key":"e_1_2_8_15_1","first-page":"395","article-title":"Blood pressure survey in pregnancy","volume":"37","author":"MacGillivray I","year":"1969","journal-title":"Clin Sci"},{"key":"e_1_2_8_16_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(05)67726-4"},{"key":"e_1_2_8_17_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2012.01.015"},{"key":"e_1_2_8_18_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-8703(36)90824-4"},{"key":"e_1_2_8_19_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1471-0528.1936.tb15947.x"},{"key":"e_1_2_8_20_1","doi-asserted-by":"publisher","DOI":"10.1001\/archinte.1938.00180170079007"},{"key":"e_1_2_8_21_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(94)90290-9"},{"key":"e_1_2_8_22_1","doi-asserted-by":"publisher","DOI":"10.1097\/AOG.0b013e3181c14e3e"},{"key":"e_1_2_8_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0002-9378(16)40080-3"},{"key":"e_1_2_8_24_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(77)91316-2"},{"key":"e_1_2_8_25_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(95)90099-3"},{"key":"e_1_2_8_26_1","first-page":"CD002252","article-title":"Antihypertensive drug therapy for mild to moderate hypertension during pregnancy","volume":"1","author":"Abalos E","year":"2007","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_2_8_27_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9378(93)90405-8"}],"container-title":["Acta Obstetricia et Gynecologica Scandinavica"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.wiley.com\/onlinelibrary\/tdm\/v1\/articles\/10.1111%2Faogs.12061","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/pdf\/10.1111\/aogs.12061","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,10,30]],"date-time":"2023-10-30T05:46:07Z","timestamp":1698644767000},"score":1,"resource":{"primary":{"URL":"https:\/\/obgyn.onlinelibrary.wiley.com\/doi\/10.1111\/aogs.12061"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2013,1,21]]},"references-count":26,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2013,3]]}},"alternative-id":["10.1111\/aogs.12061"],"URL":"https:\/\/doi.org\/10.1111\/aogs.12061","archive":["Portico"],"relation":{},"ISSN":["0001-6349","1600-0412"],"issn-type":[{"value":"0001-6349","type":"print"},{"value":"1600-0412","type":"electronic"}],"subject":[],"published":{"date-parts":[[2013,1,21]]},"assertion":[{"value":"2012-04-15","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2012-11-23","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2013-01-21","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}