Publications by authors named "Sowter M"

Aim: To describe current practices for screening for gestational diabetes mellitus in the Cook Islands and consider the implications of alternative screening strategies.

Methods: Eligible women had antenatal care from January 2009 to December 2012. A non-fasting 50 g glucose challenge between 24 and 28 weeks gestation (positive if 1-hour glucose greater than or equal to 7.

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This review has been replaced by a new full review with the same title 'Pre‐operative endometrial thinning agents before endometrial destruction for heavy menstrual bleeding' published in issue 11 of The Cochrane Library 2013; authors are Yu Hwee Tan and Anne Lethaby. The editorial group responsible for this previously published document have withdrawn it from publication.

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Improving maternal and perinatal care is a global priority. Practical simulation training for maternity care might prevent many of these deaths. There have been numerous evaluation studies published on the effectiveness of simulation training for obstetric emergencies, with increasing evidence that it is associated with improvement in clinical outcomes.

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Objective: To evaluate the relative effectiveness of hysterectomy, endometrial destruction (both "first generation" hysteroscopic and "second generation" non-hysteroscopic techniques), and the levonorgestrel releasing intrauterine system (Mirena) in the treatment of heavy menstrual bleeding.

Design: Meta-analysis of data from individual patients, with direct and indirect comparisons made on the primary outcome measure of patients' dissatisfaction.

Data Sources: Data were sought from the 30 randomised controlled trials identified after a comprehensive search of the Cochrane Library, Medline, Embase, and CINAHL databases, reference lists, and contact with experts.

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Background: Tubal disease, and particularly hydrosalpinx, has a detrimental effect on the outcome of in-vitro fertilisation (IVF). Performing a surgical intervention such as salpingectomy, tubal occlusion, aspiration of the hydrosalpinx fluid, or salpingostomy, prior to the IVF procedure in women with hydrosalpinges is thought improve the likelihood of successful outcome.

Objectives: To assess and compare the value of surgical treatments for tubal disease prior to IVF.

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Objective: To compare the levonorgestrel intrauterine system (LNG-IUS) (Mirena); Schering Co., Turku, Finland) and thermal balloon ablation (Thermachoice; Gynecare Inc., Menlo Park, CA, USA) for the treatment of heavy menstrual bleeding.

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Background: Tubal disease, and particularly hydrosalpinx, has a detrimental effect on the outcome of in-vitro fertilisation (IVF). It has been less clear whether surgical intervention for tubal disease prior to IVF is effective in improving the likelihood of successful outcome. Most data are retrospective or poorly controlled.

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Purpose Of Review: This review discusses recent publications that investigate the epidemiology, diagnosis and treatment of ectopic pregnancy.

Recent Findings: Transvaginal ultrasound is being used with increasing confidence for the diagnosis of ectopic pregnancy, and methotrexate now has an established role in the treatment of ectopic pregnancy. No serum markers have been found that can reliably differentiate intrauterine from extrauterine pregnancy.

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Objective: To determine whether using newer monoclonal rather than polyclonal assays for measuring luteinising hormone (LH) alters the predictive value of LH and LH/follicle-stimulating hormone (FSH) ratios for polycystic ovarian syndrome.

Design: Prospective cohort study.

Setting: Fertility and Reproductive Endocrinology Clinic within a New Zealand Teaching hospital.

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Context: Hysterectomy is a common and effective treatment for menorrhagia but is associated with substantial post-operative convalescence time and morbidity. In the early 1990s endometrial resection or ablation became a well-established day-case alternative for the surgical treatment of menorrhagia. Both endometrial resection and ablation require general anaesthesia, a high level of skill in hysteroscopic surgery, and can be long procedures.

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Objective: To evaluate the role of pretreatment with gonadotrophin releasing hormone (GnRH) analogues (GnRHa) prior to surgery for women with uterine fibroids.

Design: A systematic review was undertaken of all randomised controlled trials assessing the efficacy of GnRHa treatment prior to surgery (myomectomy or hysterectomy) in women with fibroids.

Setting: Secondary care.

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Background: Menorrhagia is one of the most common reasons for pre-menopausal women to be referred to a gynaecologist. Although medical therapy is generally the first approach, many women will eventually require or request a hysterectomy. Hysterectomy is associated with a significant in-patient hospital stay and a period of convalescence that makes it an unattractive and unnecessarily invasive option for many women.

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Background: The aim of this study was to determine whether surgical intervention is effective for women with tubal disease who are due to undergo treatment with IVF.

Methods: A systematic review employing the principles of the Cochrane Menstrual Disorders and Subfertility Group was undertaken. Three randomized controlled trials were included, the population of women in all three studies having hydrosalpinges.

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Background: Tubal disease, and particularly hydrosalpinx, has a detrimental effect on the outcome of in-vitro fertilisation (IVF). It has been less clear whether surgical intervention for tubal disease prior to IVF is effective in improving the likelihood of successful outcome. Most data are retrospective or poorly controlled.

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Background: Uterine fibroids, smooth muscle tumours of the uterus, are found in at least 25 to 35% of women over the age of 35 years. Although some of these tumours are asymptomatic, up to 50% cause symptoms severe enough to warrant therapy and surgery is the standard treatment. Fibroid growth is stimulated by oestrogen and gonadotropin releasing hormone agonists (GnRHa) which induce a state of hypoestrogenism have been investigated as a potential treatment.

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Objective: To compare the direct and indirect costs of single dose systemic methotrexate with laparoscopic surgery for the treatment of unruptured ectopic pregnancy.

Design: A cost minimisation study undertaken alongside a randomised trial.

Setting: Departments of Obstetrics and Gynaecology in three hospitals in Auckland, New Zealand.

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Objective: To compare single dose systemic methotrexate (50 mg/m2) with laparoscopic surgery for the treatment of unruptured tubal pregnancy.

Design: An open, pragmatic, prospective randomised trial.

Setting: Departments of obstetrics and gynaecology at three hospitals in Auckland, New Zealand.

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Adnexal torsion.

Aust N Z J Obstet Gynaecol

May 1999

We performed a retrospective audit of 24 cases of adnexal torsion managed at National Women's Hospital from 1996 to 1997 inclusive. There have been several reports in the recent literature of ovarian conservation in cases of ovarian infarction secondary to torsion in women desiring further fertility (1-3). In our review 50% (12 of 24) of patients were treated by oophorectomy or salpingo-oophorectomy and most of these women desired further fertility.

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Background: Menorrhagia is one of the most common reasons for pre-menopausal women to be referred to a gynaecologist. Although medical therapy is generally the first approach, many will eventually require or request a hysterectomy. Hysterectomy is associated with a significant in-patient hospital stay and a period of convalescence that makes it an unattractive and unnecessarily invasive option for many women.

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Background: Uterine fibroids, smooth muscle tumours of the uterus, are found in at least 25 to 35% of women over the age of 35 years. Although some of these tumours are asymptomatic, up to 50% cause symptoms severe enough to warrant therapy and surgery is the standard treatment. Fibroid growth is stimulated by oestrogen and gonadotropin releasing hormone agonists (GnRHa) which induce a state of hypoestrogenism have been investigated as a potential treatment.

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Objective: We sought to determine the clinical risk factors for endometrial hyperplasia in premenopausal women with abnormal bleeding.

Study Design: A laboratory database was searched to identify all endometrial samples taken in 1033 premenopausal women over a 30-month period from January 1995 to July 1997. Clinical data were extracted from the patients' clinical records retrospectively, and univariate and multivariate analyses were performed.

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A pilot study was designed to examine whether the outcome of embryo transfer in women with a hydrosalpinx might be improved by surgical drainage of the hydrosalpinx at the time of oocyte collection for in-vitro fertilization treatment. A comparative, controlled but retrospective analysis of the results was performed of all women with infective tubal damage aged <40 years old, who had ovulatory cycles, a normal uterus and a partner with normal spermatozoa. A standardized treatment regimen was used.

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