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dc.contributor.authorFarquhar, Cynthia M
dc.contributor.authorLi, Zhuoyang
dc.contributor.authorLensen, Sarah
dc.contributor.authorMcLintock, Claire
dc.contributor.authorPollock, Wendy
dc.contributor.authorPeek, Michael J
dc.contributor.authorEllwood, David
dc.contributor.authorKnight, Marian
dc.contributor.authorHomer, Caroline SE
dc.contributor.authorVaughan, Geraldine
dc.contributor.authorWang, Alex
dc.contributor.authorSullivan, Elizabeth
dc.date.accessioned2018-01-17T22:40:50Z
dc.date.available2018-01-17T22:40:50Z
dc.date.issued2017
dc.identifier.issn2044-6055
dc.identifier.doi10.1136/bmjopen-2017-017713
dc.identifier.urihttp://hdl.handle.net/10072/364229
dc.description.abstractObjective: Estimate the incidence of placenta accreta and describe risk factors, clinical practice and perinatal outcomes. Design: Case–control study. Setting: Sites in Australia and New Zealand with at least 50 births per year. Participants: Cases were women giving birth (≥20 weeks or fetus ≥400 g) who were diagnosed with placenta accreta by antenatal imaging, at operation or by pathology specimens between 2010 and 2012. Controls were two births immediately prior to a case. A total of 295 cases were included and 570 controls. Methods: Data were collected using the Australasian Maternity Outcomes Surveillance System. Primary and secondary outcome measures: Incidence, risk factors (eg, prior caesarean section (CS), maternal age) and clinical outcomes of placenta accreta (eg CS, hysterectomy and death). Results: The incidence of placenta accreta was 44.2/100 000 women giving birth (95%CI 39.4 to 49.5); however, this may overestimated due to the case definition used. In primiparous women, an increased odds of placenta accreta was observed in older women (adjusted OR (AOR) women≥40vs <30: 19.1, 95%CI 4.6 to 80.3) and current multiple birth (AOR: 6.1, 95%CI 1.1 to 34.1). In multiparous women, independent risk factors were prior CS (AOR ≥2prior sections vs 0: 13.8, 95%CI 7.4 to 26.1) and current placenta praevia (AOR: 36.3, 95%CI 14.0 to 93.7). There were two maternal deaths (case fatality rate 0.7%). Women with placenta accreta were more likely to have a caesarean section (AOR: 4.6, 95%CI 2.7 to 7.6) to be admitted to the intensive care unit (ICU)/high dependency unit (AOR: 46.1, 95%CI 22.3 to 95.4) and to have a hysterectomy (AOR: 209.0, 95%CI 19.9 to 875.0). Babies born to women with placenta accreta were more likely to be preterm, be admitted to neonatal ICU and require resuscitation.
dc.description.peerreviewedYes
dc.description.sponsorshipGold Coast Hospital and Health Service
dc.description.sponsorshipGold Coast Hospital and Health Service
dc.languageEnglish
dc.language.isoeng
dc.publisherBMJ Publishing Group
dc.relation.ispartofpagefrome017713-1
dc.relation.ispartofpagetoe017713-9
dc.relation.ispartofissue10
dc.relation.ispartofjournalBMJ Open
dc.relation.ispartofvolume7
dc.relation.urihttp://purl.org/au-research/grants/NHMRC/APP1081026
dc.relation.urihttp://purl.org/au-research/grants/NHMRC/APP1067363
dc.relation.urihttp://purl.org/au-research/grants/NHMRC/APP1029613
dc.relation.urihttp://purl.org/au-research/grants/NHMRC/APP1116640
dc.relation.grantIDAPP1081026
dc.relation.grantIDAPP1067363
dc.relation.grantIDAPP1029613
dc.relation.grantIDAPP1116640
dc.relation.fundersNHMRC
dc.subject.fieldofresearchPublic Health and Health Services not elsewhere classified
dc.subject.fieldofresearchClinical Sciences
dc.subject.fieldofresearchPublic Health and Health Services
dc.subject.fieldofresearchOther Medical and Health Sciences
dc.subject.fieldofresearchcode111799
dc.subject.fieldofresearchcode1103
dc.subject.fieldofresearchcode1117
dc.subject.fieldofresearchcode1199
dc.titleIncidence, risk factors and perinatal outcomes for placenta accreta in Australia and New Zealand: A case-control study
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
dcterms.licensehttp://creativecommons.org/licenses/by-nc/4.0/
dc.description.versionVersion of Record (VoR)
gro.rights.copyright© 2017. This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
gro.hasfulltextFull Text
gro.griffith.authorEllwood, David A.


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