Obstetrics and Gynaecology - Research Publications

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    Evidence for the role of multidisciplinary team care in people with pelvic pain and endometriosis: A systematic review
    Fang, QY ; Campbell, N ; Mooney, SS ; Holdsworth-Carson, SJ ; Tyson, K (WILEY, 2023-09-27)
    BACKGROUND: Endometriosis is a chronic, inflammatory condition characterised by the presence of endometrial-like tissue outside the uterine cavity. Given the multi-system nature of the disease and the potential for significant negative impact on quality of life, there has been a long-standing recognition of the need for multidisciplinary care for people with endometriosis. However, there is paucity to the data supporting this approach, and much of the evidence is anecdotal. AIM: This systematic review aims to describe recent evidence-based models and patient-centred perspectives of multidisciplinary care for endometriosis, to improve understanding of the role of an integrated, multidisciplinary team in effectively addressing patients' care needs. MATERIALS AND METHODS: PubMed, Medline, Embase and Web of Science were searched for relevant articles published between 1 January 2010 to 7 July 2022. RESULTS: Nineteen studies met the inclusion and exclusion criteria and pinpointed a multidisciplinary team consisting of gynaecologists, pain specialists, nurses, physiotherapists, psychologists, sex therapists, nutritionists, complementary medicine practitioners, and social workers to be most commonly utilised in holistically managing people with pelvic pain and endometriosis. Furthermore, patient perspectives on care highlighted the need for reliable information, respect and validation of experiences or preferences, discussion of long-term treatment plans and social and emotional supports. CONCLUSION: The trend for multidisciplinary team care for people with endometriosis is growing. Further consumer-driven clinical studies and outcome evaluations need to be conducted to determine the effect of multidisciplinary care on improvements to quality of life for people living with endometriosis and or pelvic pain.
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    Does weight loss in women with obesity induce regression of endometrial hyperplasia? A systematic review.
    Mooney, SS ; Sumithran, P (Elsevier BV, 2023-09)
    Obesity is a leading risk factor for endometrial cancer and its precursor, endometrial hyperplasia (EH). Currently, weight loss is recommended for people with EH and obesity, but evidence to guide weight management as primary or adjunctive therapy is limited. This systematic review aims to assess the role of weight loss in inducing histopathological regression of EH in women with obesity. A systematic search of Medline, PubMed, Embase and The Cochrane Library databases was conducted in January 2022. Studies reporting on participants with EH who underwent weight loss interventions, incorporating comparisons of pre- and post-intervention histology, were included. Studies were limited to those published in English with full text available. Six studies met the inclusion criteria, all of which reported outcomes after bariatric surgery. Three studies reported outcomes for the same group of participants, therefore only one outcome set was included. Pre-operative endometrial biopsy results were available for 167 women, and 81 had post-operative biopsies reported. Nineteen women (11.4% of those biopsied) had EH pre-operatively; 17 underwent repeat sampling post-operatively. Twelve (71%) had complete histological resolution, 1 (6%) had partial regression from complex hyperplasia to simple hyperplasia, 1 (6%) had persistent atypical hyperplasia, and 3 (18%) had persistent simple hyperplasia. One patient with a normal pre-intervention biopsy had simple hyperplasia post-operatively. Due to poor quality and overall scarcity of data, the role of weight loss in the primary or adjunctive treatment of EH is unknown. Future studies should prospectively assess weight loss modalities and targets, as well as use of concurrent therapies.
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    Determining a threshold measurement of endometrial thickness for asymptomatic postmenopausal women: A tertiary centre case series
    Stewart, A ; Gill, G ; Readman, E ; Grover, SR ; Mooney, SS (WILEY, 2022-12)
    BACKGROUND: An incidental finding of a thickened endometrium on ultrasound in the postmenopausal patient without bleeding is a common presentation to gynaecological services; however there is limited evidence to guide clinical practice as to when hysteroscopic evaluation and endometrial sampling is required. AIMS: To determine the endometrial thickness at which endometrial sampling is indicated in asymptomatic postmenopausal women referred with thickened endometrium on ultrasound. MATERIALS AND METHODS: A single-centre retrospective case series of postmenopausal women without bleeding undergoing hysteroscopy was conducted. Logistic regression was used to examine the association between a range of variables and pre-malignant or malignant pathology and endometrial thickness. The optimal endometrial thickness threshold was identified to maximise model sensitivity. RESULTS: A total of 404 postmenopausal women were included in this study, having undergone a hysteroscopy at the study site between 1 July 2008 and 30 June 2018. The mean (SD) age of patients at presentation was 65 (9.09) years and the mean body mass index was 29.86 kg/m2 (6.52). Of these women, nine (2.2%) were diagnosed with endometrial carcinoma and seven (1.7%) had endometrial hyperplasia with atypia. The most common histopathological finding was of a benign endometrial polyp (153: 37.9%). When including hyperplasia with or without atypia in histopathology of interest, a cut-off of ≥9 mm provides the greatest sensitivity (83.3%) and specificity (63.8%) for a diagnosis of pre-malignant or malignant pathology (classification accuracy of 64.8%; area under the receiver operating characteristic: 0.7358, 95% CI: 0.6439, 0.8278) in this cohort. CONCLUSIONS: Using an endometrial thickness of ≥9 mm can be used as a cut-off for endometrial sampling in postmenopausal women without bleeding.
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    Virtual clinics in gynaecology - Can we shorten the wait? A randomised controlled trial implementing a novel care pathway for postmenopausal bleeding
    Mooney, SS ; Gill, GK ; Readman, E (WILEY, 2022-10)
    BACKGROUND: Postmenopausal bleeding (PMB), a common symptom of endometrial cancer, necessitates prompt clinical and sonographic assessment, often followed by hysteroscopy. Unfortunately, due to traditional gynaecology outpatient clinic paradigms, unnecessary patient-clinician encounters are common and may lead to delays in diagnosis. AIM: The aim was to assess a novel clinic model for the management of women with PMB based on virtual assessment and routine use of the outpatient hysteroscopy clinic. METHODS: An unblinded pragmatic randomised controlled trial was performed, comparing a 'virtual clinic' to routine outpatient clinical care. The primary outcome for assessment was time, measured as the interval (days) between referral triage and discharge for definitive management or to the general practitioner. Demographical and clinical data were collected. After discharge from the system, patients completed a satisfaction and feedback questionnaire. Log-rank tests were used to compare the equality of time-to-event functions across randomised groups. RESULTS: There were 96 participants, 46 in the intervention arm and 50 controls. The total time spent in the gynaecology system differed between groups (Χ2 (1) = 6.94, P = 0.008), with a median total time of 55 days (95% confidence interval (CI): 37-66 days) for the intervention group compared to a median of 84 days (95% CI: 54-101 days) for the control group. The number of in-person gynaecology encounters differed between those randomised to intervention (P < 0.001). Overall, 96% of respondents indicated a positive score for overall satisfaction. CONCLUSIONS: The proposed clinic model resulted in a significant reduction in the time between referral and discharge, without compromising patient satisfaction.
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    Medical management of secondary postpartum haemorrhage: A prospective cohort study
    Fox, R ; Anderson, J ; Young, N ; Davis, L ; Cvejic, E ; Mooney, SS (WILEY, 2023-02)
    BACKGROUND: Secondary postpartum haemorrhage (PPH) complicates ~1% of pregnancies and can cause serious maternal morbidity. However, evidence guiding optimal management is scarce and often based on case series and expert opinion. AIMS: To measure the success of primary medical therapy in managing secondary PPH and to identify factors associated with need for surgical management. MATERIALS AND METHODS: Postpartum patients presenting to a tertiary women's hospital emergency department between July 2020 and October 2021 with secondary PPH were recruited. Data from the acute presentation were prospectively collected. Antenatal and intrapartum data were collected from medical record review. The primary outcome was the success of medical management for secondary PPH, defined by the implementation of medical or expectant measures without subsequent need for surgical intervention. RESULTS: One-hundred and twenty patients underwent primary medical management for secondary PPH. Ninety-eight (82%) were managed successfully with medical management and 22 (18%) required surgery. Medical management involved misoprostol (n = 33; 27.5%), antibiotics (n = 108; 90%), and less commonly other uterotonics (n = 6; 5%). Factors associated with lower rates of successful medical management included: antecedent manual removal of placenta (MROP) (odds ratio (OR) 0.2, P = 0.047), primary PPH ≥500 mL (OR 0.39, P = 0.048) or ≥1 L (OR 0.24, P = 0.009), >200 mL blood loss at presentation (OR 0.17, P = 0.015), increasing time post-delivery (OR 0.84, P = 0.044), retained products of conception (RPOC) on ultrasound (OR 0.024, P = 0.001) and vaginal birth (OR 0.27, P = 0.027). CONCLUSION: Medical management was highly successful. Vaginal birth, MROP, primary PPH, RPOC on ultrasound and increasing time post-delivery were associated with increased need for surgical management.
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    The use of the myometrial-cervical ratio in the ultrasound diagnosis of adenomyosis - A validation study
    McCaughey, T ; Mooney, S ; Harlow, K ; Healey, M ; Stone, K (WILEY, 2022-08)
    BACKGROUND: Adenomyosis is a benign disorder defined by ectopic endometrial glands within the uterine myometrium. A study by Mooney et al reported the myometrial-cervical ratio (MCR), a novel ultrasound measurement that was found to improve the preoperative diagnosis of adenomyosis. AIMS: To validate the association between sonographic MCR and adenomyosis confirmed on histopathology in an independent patient group. MATERIALS AND METHODS: Single-centre retrospective cohort study including women who underwent hysterectomy between 1 January 2016 and 31 December 2018 for a benign, non-obstetric indication with an ultrasound at the study centre prior to surgery. Clinical details and histopathology were extracted. Ultrasound images were reviewed by a gynaecology ultrasound subspecialist blinded to histological findings. RESULTS: Eight hundred eighty-seven patients underwent hysterectomy in the study period for eligible indications; 317 had an ultrasound at the study centre and were included. There was no statistically significant association between the MCR and adenomyosis on histology when all patients were included; however, increased MCR was associated with adenomyosis when those with fibroids on ultrasound were excluded. The area under the receiver operating characteristic for this model was 0.614 (95% CI: 0.53 to 0.69). The optimal MCR cut-point in this subgroup was 1.79, which achieved 55.6% sensitivity and 62.8% specificity, with 58.5% correctly classified. There was no significant difference in MCR compared to traditional ultrasound markers of adenomyosis. CONCLUSIONS: In a population undergoing hysterectomy for benign and non-obstetric indications, the MCR applied to preoperative ultrasound was only weakly associated with a histological diagnosis of adenomyosis.
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    When pain is not the whole story: Presenting symptoms of women with endometriosis
    Gordon, HG ; Mooney, SS ; Conroy, IC ; Grover, SR (WILEY, 2022-06)
    BACKGROUND: Endometriosis affects one in nine Australian women of reproductive age, and is often associated with pain and infertility. However, many women may be asymptomatic, or present with alternative symptoms. AIM: To identify reasons for initial specialist referral among patients with endometriosis. MATERIAL AND METHODS: Patients were identified as having endometriosis intraoperatively based on International Classification of Diseases coding. Operation reports were reviewed and graded for severity of disease. This cohort was then retrospectively audited to identify reasons for initial referral to the general gynaecology, endosurgery, gynae-oncology, reproductive medicine outpatient departments (OPD) at the Mercy Hospital for Women in Melbourne between 1 February 2015 and 31 December 2016. RESULTS: Three hundred patients were identified as having endometriosis at laparoscopy, including 90 women with Stage IV disease. Patients were a mean (SD) age of 33.1 (7.6) years. While pain remained a common reason for referral (61.7% of referrals), 36.7% of women with Grade IV disease did not have pain included in their referral letter. Severe disease was associated with increased age (regression coefficient 0.05; 95% CI: 0.03-0.07, P < 0.01), but not with pain symptoms. Women referred with ovarian cysts or masses were more likely to be diagnosed with severe disease (regression coefficient 0.69; 95% CI: 0.37-1.01, P < 0.01). CONCLUSION: Although pelvic pain is not a good predictor for a diagnosis of endometriosis, it remains a common symptom among women with the disease. However, more than one in three patients with Grade IV endometriosis presented without mention of pain symptoms, encouraging clinicians to adopt a broader approach to the presenting symptoms of endometriosis.
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    Obstetric Outcome After Surgical Treatment of Endometriosis: A Review of the Literature
    Mooney, SSS ; Ross, V ; Stern, C ; Rogers, PAW ; Healey, M (FRONTIERS MEDIA SA, 2021-12-24)
    A diagnosis of endometriosis is associated with increased risks of adverse pregnancy outcomes including placenta praevia and preterm birth. Some studies have also suggested associations with gestational hypertension, foetal growth restriction, gestational diabetes, perinatal death, and obstetric haemorrhage. This review aims to assess the impact of pre-pregnancy surgical treatment of endometriosis on future obstetric outcomes. A search of the Medline, Embase and PubMed electronic databases was performed to identify studies reporting pre-pregnancy surgery for endometriosis and subsequent pregnancy outcome compared to controls with unresected endometriosis. Three studies met the inclusion criteria. The studies were heterogenous in design, definition of study groups and outcome measures. All three studies were judged at critical risk of bias. Pre-pregnancy excision of endometriosis was associated with an increased risk of caesarean section in one of two studies, OR 1.72 (95% CI 1.59-1.86) and OR 1.79 (95% CI 0.69-4.64). Placenta praevia rates were also increased in one of two studies OR 2.83 (95% CI 0.56-12.31) and OR 2.04 (95% CI 1.66-2.52). One study found increased risks of preterm birth, small for gestational age, gestational hypertension, and antepartum and postpartum haemorrhage (all p < 0.05) with pre-pregnancy excision of endometriosis. There is insufficient evidence examining the role of pre-pregnancy endometriosis surgery in ameliorating adverse pregnancy outcomes, and thus reliable conclusions cannot be drawn. Prospectively designed studies are needed to assess the relationship between surgical treatments for endometriosis and obstetric outcome and examine potential confounders such as comorbid adenomyosis and infertility.
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    We live in a virtual world: Training the trainee using an integrated visual reality simulator curriculum
    Mooney, SS ; Hiscock, RJ ; Hicks, L ; Narula, S ; Maher, PJ ; Readman, E ; Pendlebury, A ; Ellett, L (WILEY, 2022-08)
    BACKGROUND: Gynaecology trainees struggle to obtain adequate procedural experience. Training programs integrating virtual reality simulators (VRS) have been suggested as a solution. AIMS: The study aimed to assess if a VRS training program (LapSim® , Surgical Sciences, Göteborg, 2017) improved live operating performance at six months for novice and experienced trainees. Additional outcomes included the association between LapSim® logged time and live operating performance at six months, LapSim® scores and live operating performance at zero and sixmonths and the difference in benefit for novice and experienced gynaecology trainees. METHODS: A prospective intervention study was conducted. Novice and experienced trainees were enrolled, and comparisons made at zero- and six-month time points. The intervention groups were provided with a laparoscopic gynaecology curriculum incorporating VRS. Controls underwent routine training only. Assessment of live operating performance was conducted after six months training. RESULTS: Thirty-five trainees participated, and 25 had access to the VRS curriculum (17 novice and eight experienced trainees). Access to the VRS curriculum and time spent training on the LapSim® made no difference to live operating ability for either intervention group (P > 0.05). The median (interquartile range) hours of VRS usage were 7.9 (4.5-10.8) and 6.0 (4.0-6.8) for novice and experienced trainees respectively. The intervention group provided positive feedback on the utility of VRS in their laparoscopic skill development. CONCLUSION: Optimal utilisation of VRS in Australian training paradigms remains incompletely understood. Further research is required to establish the most effective integration of VRS into training models to ensure uptake and transferability to the operating theatre.
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    The persistent pelvic pain study: Factors that influence outcomes in women referred to a public hospital with chronic pelvic pain - A study protocol
    Mooney, SS ; Grover, SR (WILEY, 2021-04)
    BACKGROUND: Persistent pelvic pain affects between 10-20% of women with a significant impact on their physical and mental health, sexual relationships, families and society. Estimates of the cost to women and the community is over $9 billion/annum. Although endometriosis is considered a leading cause of pelvic pain, no symptoms reliably allow the identification of those with and without endometriosis. Furthermore, the significance of mild endometriosis is now debated. The optimal clinical approach for pelvic pain and endometriosis remains unclear, with increasing evidence of other contributing factors such as central sensitisation. Studies to date have significant limitations due to their sample size, relatively short follow-up, and inclusion of only women with laparoscopically identified endometriosis. AIMS: To undertake a real-world study of women referred with pain to gynaecology outpatients of a women's hospital and explore factors influencing three-year outcomes. MATERIALS AND METHODS: Five hundred women will be randomised to one of two gynaecology units. The units will provide routine clinical care but their approaches to management of women with pelvic pain and endometriosis differ: one with skilled endoscopic gynaecologists has greater emphasis on surgery, the other, gynaecologists have more medical expertise in managing pain and menstrual problems. Participants will complete six-monthly questionnaires regarding pain and quality of life for three years. This information will not be available to clinicians. Their medical care will be followed from their medical records. The cost of outpatient care and admissions will be calculated. Data will be analysed using STATA software with appropriate post hoc tests. Australian and New Zealand Clinical Trials Registry (ANZCTR:ACTRN12616000150448).