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Title: Placental inflammation is associated with rural and remote residence in the Northern Territory, Australia: a cross-sectional study.
Authors: O'Brien, Cecelia M
Arbuckle, Susan
Thomas, Sujatha
Rode, Jurgen
Turner, Robin
Jeffery, Heather E
Citation: BMC pregnancy and childbirth 2015-02-14; 15: 32
Abstract: The Northern Territory has the highest rates of perinatal morbidity and mortality in Australia. Placental histopathology has not been studied in this high-risk group of women. This is the first study to detail the placental pathology in Indigenous women and to compare the findings with non-Indigenous women in the Northern Territory. There were a total of 269 deliveries during a three-month period from the 27(th) of June to the 27(th) of August 2009. Seventy-one (71%) percent of all placentas were examined macroscopically, sectioned then reviewed by a Perinatal Pathologist, blinded to the maternal history and outcomes. Indigenous women were found to have higher rates of histologically confirmed chorioamnionitis and or a fetal inflammatory response compared with non-Indigenous women (46% versus 26%; OR 2.4, 95% CI 1.3-4.5). In contrast, non-Indigenous women were twice as likely to show vascular related pathology (31% versus 14%; OR 2.77, 95% CI 1.3-5.9). Indigenous women had significantly higher rates of potentially modifiable risk factors for placental inflammation including genitourinary infections, anaemia and smoking. After adjusting for confounders, histological chorioamnionitis and fetal inflammatory response was significantly associated with rural or remote residence (Adjusted OR 2.5, 95% CI 1.08 - 5.8). This study has revealed a complex aetiology underlying a high prevalence of placental inflammation in the Northern Territory. Placental inflammation is associated with rural and remote residence, which may represent greater impact of systemic disadvantage, particularly affecting Indigenous women in the Northern Territory.
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Journal title: BMC pregnancy and childbirth
Publication Date: 2015-02-14
Type: Journal Article
Research Support, Non-U.S. Gov't
DOI: 10.1186/s12884-015-0458-7
Appears in Collections:(a) NT Health Research Collection

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