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Priscilla Frenette Susan Crawford Jane Schulz Maria B. Ospina 《Journal d'obstetrique et gynecologie du Canada》2019,41(12):1734-1741
ObjectiveThe purpose of this study was to describe associations between episiotomy at the time of forceps or vacuum-assisted delivery and obstetrical anal sphincter injuries (OASIS).MethodsThis population-based retrospective cohort study used delivery information from a provincial perinatal clinical database. Full-term, singleton, in-hospital, operative vaginal deliveries of vertex-presenting infants from April 1, 2006 to March 31, 2016 were identified. Odds ratios (ORs) and 95% confidence intervals (CIs) for associations between episiotomy and third- or fourth-degree lacerations were calculated in multiple logistic regression models (Canadian Task Force Classification II-2).ResultsEpisiotomy was performed in 34% of 52 241 operative vaginal deliveries. OASIS occurred in 21% of forceps deliveries and 7.6% of vacuum deliveries. Episiotomy was associated with increased odds of severe perineal lacerations for vacuum deliveries among women with (OR 2.48; 95% CI 1.96–3.13) and without (OR 1.12; 95% CI 1.02–1.22) a prior vaginal delivery. Among forceps deliveries, episiotomy was associated with increased odds of OASIS for those with a previous vaginal delivery (OR 1.52; 95% CI 1.12–2.06), but it was protective for women with no previous vaginal delivery (OR 0.73; 95% CI 0.67–0.79). Midline compared with mediolateral episiotomy increased the odds of OASIS in forceps deliveries (OR 2.73; 95% CI 2.37–3.13) and vacuum deliveries (OR 1.94; 95% CI 1.65–2.28).ConclusionIn conclusion, results suggest that episiotomy should be used with caution, particularly among women with a previous vaginal delivery and in the setting of vacuum-assisted delivery. Episiotomy may protect against OASIS in forceps-assisted deliveries for women without a prior vaginal delivery. 相似文献
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Kristin A. Black Isaiah MacDonald Thane Chambers Maria B. Ospina 《Journal d'obstetrique et gynecologie du Canada》2019,41(10):1470-1478
ObjectiveThis systematic review synthesized and evaluated the evidence on the prevalence of postpartum mental health disorders in Indigenous women.MethodsComprehensive searches of biomedical electronic databases including Medline, EMBASE, PsychINFO, CINAHL, and Web of Science were performed for peer-reviewed literature published from 1990 to September 2018. The search strategy included terms related to the postpartum period, mental health disorders, and Indigenous ancestry. Epidemiological observational studies that evaluated the prevalence of mental health disorders in the postpartum and included Indigenous women from Australia, Canada, New Zealand, and the United States were included. Two independent reviewers screened and evaluated the risk of bias of included studies. A narrative synthesis of study results was conducted. Prevalence estimates from homogeneous studies were pooled in a random-effects meta-analysis (Canadian Task Force Classification II-2).ResultsA total of 2297 references were initially identified, of which six studies were included in the review. All included studies evaluated the prevalence of postpartum depression (PPD) and were of moderate or low risk of bias. Other postpartum mental health disorders were not evaluated. Overall, Indigenous women had 87% increased odds of PPD compared with Caucasian groups of women (odds ratio 1.87; 95% confidence interval 1.14–3.09). Substantial heterogeneity across prevalence estimates was observed.ConclusionLimited evidence suggests a greater burden of PPD affecting Indigenous women. There is insufficient evidence informing the prevalence of other postpartum mental health disorders in Indigenous women. More epidemiological research in this area is essential to provide accurate and reliable prevalence estimates of postpartum mental health disorders among Indigenous women. 相似文献
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Sana Amjad Sujata Chandra Alvaro Osornio-Vargas Don Voaklander Maria B. Ospina 《Journal d'obstetrique et gynecologie du Canada》2019,41(12):1752-1759
ObjectiveAdolescent pregnancy is a significant public health issue in Canada. Current evidence highlights the individual role of social determinants of health such as maternal residence and socioeconomic status (SES) on teen pregnancy outcomes. This study evaluated the joint association between residence/SES and adverse adolescent pregnancy outcomes.MethodsThis was a population-based retrospective cohort study of all singleton, live deliveries (2010-2015) from women aged 15 to 19 who were registered in the Alberta Perinatal Health Program. Information on maternal residence and SES was extracted from the Pampalon Material Deprivation Index data set. The study categorized mothers into four risk dyads: rural/high SES, rural/low SES, urban/high SES, and urban/low SES. Adjusted odds ratios (ORs) of adverse pregnancy outcomes were calculated in logistic regression models (Canadian Task Force Classification II-2).ResultsA total of 9606 births from adolescent mothers were evaluated. Thirty percent of adolescent mothers were classified as urban/high SES; 27% were urban/low SES; 7% were rural/high SES; and 36% were placed in the rural/low SES category. Compared with urban/high SES mothers, rural/low SES mothers had increased odds of postpartum hemorrhage (OR 1.57; 95% confidence interval [CI] 1.41–1.74), operative vaginal delivery (OR 1.37; 95% CI 1.18–1.60), Caesarean section (OR 1.39; 95% CI 1.19–1.62), large for gestational age infants (OR 1.39; 95% CI 1.16–1.66), low birth weight (OR 1.11; 95% CI 1.07–1.65), and preterm birth (OR 1.48; 95% CI 1.17–1.87).ConclusionRural pregnant adolescents of low SES have the highest odds for adverse pregnancy outcomes. Social determinants of health that affect adolescent pregnancies need further examination to identify high-risk subgroups and understand pathways to health disparities in this vulnerable population. 相似文献
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