Obstetrics and Gynaecology - Research Publications
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ItemThe National COVID-19 Clinical Evidence Taskforce: pregnancy and perinatal guidelines(WILEY, 2022-11-06)INTRODUCTION: Pregnant women are at higher risk of severe illness from coronavirus disease 2019 (COVID-19) than non-pregnant women of a similar age. Early in the COVID-19 pandemic, it was clear that evidenced-based guidance was needed, and that it would need to be updated rapidly. The National COVID-19 Clinical Evidence Taskforce provided a resource to guide care for people with COVID-19, including during pregnancy. Care for pregnant and breastfeeding women and their babies was included as a priority when the Taskforce was set up, with a Pregnancy and Perinatal Care Panel convened to guide clinical practice. MAIN RECOMMENDATIONS: As of May 2022, the Taskforce has made seven specific recommendations on care for pregnant women and those who have recently given birth. This includes supporting usual practices for the mode of birth, umbilical cord clamping, skin-to-skin contact, breastfeeding, rooming-in, and using antenatal corticosteroids and magnesium sulfate as clinically indicated. There are 11 recommendations for COVID-19-specific treatments, including conditional recommendations for using remdesivir, tocilizumab and sotrovimab. Finally, there are recommendations not to use several disease-modifying treatments for the treatment of COVID-19, including hydroxychloroquine and ivermectin. The recommendations are continually updated to reflect new evidence, and the most up-to-date guidance is available online (https://covid19evidence.net.au). CHANGES IN MANAGEMENT RESULTING FROM THE GUIDELINES: The National COVID-19 Clinical Evidence Taskforce has been a critical component of the infrastructure to support Australian maternity care providers during the COVID-19 pandemic. The Taskforce has shown that a rapid living guidelines approach is feasible and acceptable.
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ItemThe cost-effectiveness of tranexamic acid for treatment of postpartum hemorrhage: A systematic review(WILEY, 2021-12)BACKGROUND: Postpartum hemorrhage (PPH) is responsible for nearly one quarter of maternal deaths. A 2017 multicountry trial found that incorporating tranexamic acid (TXA) into the PPH management package was effective in reducing maternal death due to bleeding. OBJECTIVE: To systematically review studies assessing the cost-effectiveness of tranexamic acid for PPH treatment. SEARCH STRATEGY: Nine databases were searched using variations of keywords 'tranexamic acid', 'postpartum hemorrhage' and 'cost effectiveness'. SELECTION CRITERIA: Eligible studies were any type of economic or effectiveness evaluation studies on tranexamic acid for treating women with PPH. DATA COLLECTION AND ANALYSIS: Two reviewers independently screened citations and extracted data on cost effectiveness measures. Quality was assessed using the Consensus on Health Economic Criteria list. MAIN RESULTS: Four studies were included, of which two were abstracts. Three studies concluded that early administration of TXA was cost-saving or cost-effective. One abstract reported TXA was not cost-effective in the USA unless the probability of death due to hemorrhage is higher. CONCLUSION: Available evidence (four studies in three countries) suggests that this life-saving intervention may be below willingness to pay thresholds (cost-effective) or cost saving. Further studies conducted in different populations and settings are needed to inform health policy decision-making to reduce PPH-associated morbidity and mortality.
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ItemCOVID-19 vaccination perceptions and intentions of maternity care consumers and providers in Australia(PUBLIC LIBRARY SCIENCE, 2021-11-15)INTRODUCTION: Vaccination against COVID-19 is a key global public health strategy. Health professionals including midwives and doctors support and influence vaccination uptake by childbearing women. There is currently no evidence regarding the COVID-19 vaccination perceptions and intentions of those who receive or provide maternity care in Australia. The aim of this study was to address this gap in knowledge and explore the perceptions and intentions regarding COVID-19 vaccination from consumers and providers of maternity care in Australia. METHODS: A national cross-sectional online study conducted in early 2021 in Australia, a country that has had a very low number of COVID-19 cases and deaths. Recruitment was undertaken through parenting and health professional social media sites and professional college distribution lists. A total of 853 completed responses, from women (n = 326), maternity care providers including doctors (n = 58), midwives (n = 391) and midwifery students (n = 78). FINDINGS: Personal intention to be vaccinated ranged from 48-89% with doctors most likely and women least likely. Doctors and midwifery students were significantly more likely to recommend the vaccine to pregnant women in their care than midwives (p<0.001). Fewer doctors (2%) felt that women should wait until breastfeeding had concluded before being vaccinated compared with 24% of midwives and 21% of midwifery students (p<0.001). More than half of the midwives (53%) had concerns about the COVID-19 vaccine for the women in their care compared with 35% of doctors and 46% of midwifery students. Despite national guidelines recommending vaccination of breastfeeding women, 54% of practitioners were unlikely to recommend vaccination for this group. CONCLUSION: This is the first study to explore the perceptions and intentions regarding COVID-19 vaccination from the perspective of those who receive and provide maternity care in Australia. Findings have utility to support targeted public health messaging for these and other cohorts.
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ItemA survey of opinion and practice regarding prenatal diagnosis of vasa previa among obstetricians from Australia and New Zealand(WILEY, 2019-03)OBJECTIVES: To define current obstetric opinion and clinical practice regarding the prenatal diagnosis of vasa previa in Australia and New Zealand. METHODS: A population-based cross-sectional survey of Fellows of the Royal Australian and New Zealand College of Obstetricians and Gynaecologists was conducted from April to May, 2016. Descriptive analysis was used to define factors influencing opinion and practice regarding definition of vasa previa, attributable risk factors, and the value of screening. RESULTS: Overall, 453 respondents were included in the study. Two-thirds (304/453; 67.1%) defined vasa previa as exposed fetal vessel(s) running over or within 2 cm of the internal os. A higher proportion of ultrasound specialists (30/65; 46.2%) preferred a broader definition as compared with generalists (115/388; 29.6%; P<0.001). Overall, Fellows were supportive (342/430; 79.5%) of both reporting ultrasound-based risk factors at the 20-week anomaly scan and targeted screening (298/430; 69.3%). Only 77/453 (17.0%) respondents recognized all five "known" risk factors for vasa previa. CONCLUSIONS: There was a lack of consensus regarding the definition and diagnosis process for vasa previa. There was also a knowledge gap in risk factors for vasa previa that would inform a targeted screening policy. Nevertheless, support for targeted screening was strong from obstetricians who responded.
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ItemPoint-of-care testing and treatment of sexually transmitted infections to improve birth outcomes in high-burden, low-income settings: Study protocol for a cluster randomized crossover trial (the WANTAIM Trial, Papua New Guinea).(F1000 Research Ltd, 2019)Background: Chlamydia trachomatis, Neisseria gonorrhoeae, Trichomonas vaginalis and bacterial vaginosis have been associated with preterm birth and low birth weight, and are highly prevalent among pregnant women in many low- and middle-income settings. There is conflicting evidence on the potential benefits of screening and treating these infections in pregnancy. Newly available diagnostic technologies make it possible, for the first time, to conduct definitive field trials to fill this knowledge gap. The primary aim of this study is to evaluate whether antenatal point-of-care testing and immediate treatment of these curable sexually transmitted and genital infections (STIs) leads to reduction in preterm birth and low birth weight. Methods: The Women and Newborn Trial of Antenatal Interventions and Management (WANTAIM) is a cluster-randomised crossover trial in Papua New Guinea to compare point-of-care STI testing and immediate treatment with standard antenatal care (which includes the WHO-endorsed STI 'syndromic' management strategy based on clinical features alone without laboratory confirmation). The unit of randomisation is a primary health care facility and its catchment communities. The primary outcome is a composite measure of two events: the proportion of women and their newborns in each trial arm, who experience either preterm birth (delivery <37 completed weeks of gestation as determined by ultrasound) and/or low birth weight (<2500 g measured within 72 hours of birth). The trial will also evaluate neonatal outcomes, as well as the cost-effectiveness, acceptability and health system requirements of this strategy, compared with standard care. Conclusions: WANTAIM is the first randomised trial to evaluate the effectiveness, cost-effectiveness, acceptability and health system requirements of point-of-care STI testing and treatment to improve birth outcomes in high-burden settings. If the intervention is proven to have an impact, the trial will hasten access to these technologies and could improve maternal and neonatal health in high-burden settings worldwide. Registration: ISRCTN37134032.
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ItemPoint-of-care testing and treatment of sexually transmitted and genital infections during pregnancy in Papua New Guinea (WANTAIM trial): protocol for an economic evaluation alongside a cluster-randomised trial(BMJ PUBLISHING GROUP, 2021)INTRODUCTION: Left untreated, sexually transmitted and genital infections (henceforth STIs) in pregnancy can lead to serious adverse outcomes for mother and child. Papua New Guinea (PNG) has among the highest prevalence of curable STIs including syphilis, chlamydia, gonorrhoea, trichomoniasis and bacterial vaginosis, and high neonatal mortality rates. Diagnosis and treatment of these STIs in PNG rely on syndromic management. Advances in STI diagnostics through point-of-care (PoC) testing using GeneXpert technology hold promise for resource-constrained countries such as PNG. This paper describes the planned economic evaluation of a cluster-randomised cross-over trial comparing antenatal PoC testing and immediate treatment of curable STIs with standard antenatal care in two provinces in PNG. METHODS AND ANALYSIS: Cost-effectiveness of the PoC intervention compared with standard antenatal care will be assessed prospectively over the trial period (2017-2021) from societal and provider perspectives. Incremental cost-effectiveness ratios will be calculated for the primary health outcome, a composite measure of the proportion of either preterm birth and/or low birth weight; for life years saved; for disability-adjusted life years averted; and for non-health benefits (financial risk protection and improved health equity). Scenario analyses will be conducted to identify scale-up options, and budget impact analysis will be undertaken to understand short-term financial impacts of intervention adoption on the national budget. Deterministic and probabilistic sensitivity analysis will be conducted to account for uncertainty in key model inputs. ETHICS AND DISSEMINATION: This study has ethical approval from the Institutional Review Board of the PNG Institute of Medical Research; the Medical Research Advisory Committee of the PNG National Department of Health; the Human Research Ethics Committee of the University of New South Wales; and the Research Ethics Committee of the London School of Hygiene and Tropical Medicine. Findings will be disseminated through national stakeholder meetings, conferences, peer-reviewed publications and policy briefs. TRIAL REGISTRATION NUMBER: ISRCTN37134032.
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ItemAustralian women's experiences of receiving maternity care during the COVID-19 pandemic: A cross-sectional national survey(WILEY, 2022-03)BACKGROUND: The COVID-19 pandemic has led to multiple changes in maternity services worldwide. Systems rapidly adapted to meet public health requirements aimed at preventing transmission of SARS-CoV-2, including quarantine procedures, travel restrictions, border closures, physical distancing and "stay-at-home" orders. Although these changes have impacted all stakeholders in maternity services, arguably the women at the center of this care have been most affected. This study aimed to explore women's experiences of receiving maternity care during the COVID-19 pandemic in Australia. METHODS: A national cross-sectional online survey, including fixed choice and open-ended questions, was conducted during the first wave of the COVID-19 pandemic in Australia; pregnant and postnatal women were recruited through social media networks. RESULTS: The survey was completed by 3364 women. Women felt distressed and alone due to rapid changes to their maternity care. Limited face-to-face contact with health practitioners and altered models of care often required women to accommodate significant changes and to coordinate their own care. Women felt that they were often "doing it alone," due to public health restrictions on support people and visitors, both within and outside health services. Women described some benefits of visitor restrictions, such as, more time for rest, breastfeeding establishment, and bonding with their baby. CONCLUSIONS: This large nationwide Australian study provides unique data on women's experiences of receiving maternity care during the COVID-19 pandemic. Lessons learned provide an opportunity to rebuild and reshape the maternity sector to best meet the needs of women and their families during current and future public health crises.
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ItemNo Preview AvailableReceiving maternity care during the COVID-19 pandemic: Experiences of women's partners and support persons(ELSEVIER, 2022-05)BACKGROUND: In Australia, the provision of maternity care during the COVID-19 pandemic was significantly altered to limit transmission of the virus. Many hospitals limited face-to-face appointments to only the pregnant woman and restricted the number of support people present during labour, birth, and postnatal visits to one person. How these restrictions were experienced by partners and support persons of childbearing women are unknown. AIM: To explore the experiences of partners and support persons of women receiving maternity care during the COVID-19 pandemic. METHODS: A two-phased qualitative study including an online survey and interviews. Analysis was undertaken using content analysis. FINDINGS: Partners and support persons experienced a sense of 'missing out' from the pregnancy and maternity care experience because of changes in the provision of care during the pandemic. They reported feelings of isolation, psychological distress, and reduced bonding time with babies. Conflicting information and processes within and across maternity services contributed to feelings of uncertainty and a perceived reduction in the quality of care. Partners and support persons were negatively impacted by restrictions on maternity wards, however they also perceived these to be of benefit to women. DISCUSSION: Many partners and support persons were negatively impacted by restrictions in maternity services during the pandemic; strategies to ensure their active involvement in maternity care are needed. CONCLUSION: This study offers insights from the unique perspective of partners and support people of women receiving maternity care during the pandemic. Policies and processes that exclude partners and support persons need to be reconsidered.
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ItemNo Preview AvailableCovid-19 changes to maternity care: Experiences of Australian doctors(WILEY, 2021-06)BACKGROUND: The COVID-19 pandemic meant rapid changes to Australian maternity services. All maternity services have undertaken significant changes in relation to policies, service delivery and practices and increased use of personal protective equipment. AIMS: The aim of this study was to explore and describe doctors' experiences of providing maternity care during the COVID-19 pandemic in Australia. METHODS: A national online survey followed by semi-structured interviews with a cohort of participants was conducted during the first wave of the COVID-19 pandemic in Australia (May-June 2020). Participants were recruited through social media networks. Eighty-six doctors completed the survey, and eight were interviewed. RESULTS: Almost all doctors reported rapid development of new guidelines and major changes to health service delivery. Professional colleges were the main source of new information about COVID-19. Most (89%) doctors felt sufficiently informed to care for women with COVID-19. Less than half of doctors felt changes would be temporary. Doctors described workforce disruptions with associated personal and professional impacts. The ability to access and process up-to-date, evidence-based information was perceived as important. Doctors acknowledged that altered models of care had increased pregnant women's anxiety and uncertainty. All doctors described silver linings from sector changes. CONCLUSIONS: This study provides unique insights into doctors' experiences of providing maternity care during the COVID-19 pandemic in Australia. Findings have immediate relevance to the maternity sector now and into the future. Lessons learnt provide an opportunity to reshape the maternity sector to better prepare for future public health crises.
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ItemExperiences of receiving and providing maternity care during the COVID-19 pandemic in Australia: A five-cohort cross-sectional comparison(PUBLIC LIBRARY SCIENCE, 2021-03-24)INTRODUCTION: The global COVID-19 pandemic has radically changed the way health care is delivered in many countries around the world. Evidence on the experience of those receiving or providing maternity care is important to guide practice through this challenging time. METHODS: A cross-sectional study was conducted in Australia. Five key stakeholder cohorts were included to explore and compare the experiences of those receiving or providing care during the COVID-19 pandemic. Women, their partners, midwives, medical practitioners and midwifery students who had received or provided maternity care from March 2020 onwards in Australia were recruited via social media and invited to participate in an online survey released between 13th May and 24th June 2020; a total of 3701 completed responses were received. FINDINGS: While anxiety related to COVID-19 was high among all five cohorts, there were statistically significant differences between the responses from each cohort for most survey items. Women were more likely to indicate concern about their own and family's health and safety in relation to COVID-19 whereas midwives, doctors and midwifery students were more likely to be concerned about occupational exposure to COVID-19 through working in a health setting than those receiving care through attending these environments. Midwifery students and women's partners were more likely to respond that they felt isolated because of the changes to the way care was provided. Despite concerns about care received or provided not meeting expectations, most respondents were satisfied with the quality of care provided, although midwives and midwifery students were less likely to agree. CONCLUSION: This paper provides a unique exploration and comparison of experiences of receiving and providing maternity care during the COVID-19 pandemic in Australia. Findings are useful to support further service changes and future service redesign. New evidence provided offers unique insight into key stakeholders' experiences of the rapid changes to health services.