Publications by authors named "Barry N J Walters"

Introduction: Gestational diabetes mellitus (GDM) is the most common antenatal complication in Western Australia. Rural areas may be at greater risk due to poorer socioeconomic status, reduced healthcare access, increased obesity and greater Aboriginal population. This paper reviews the prevalence and risk factors of GDM and outcomes for pregnancies in a regional rural centre, with a view to predicting the risk of GDM in this population, given factors identified early in the pregnancy.

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Venous thromboembolism (VTE) in pregnancy and the postpartum is an important cause of maternal morbidity and mortality; yet, there are few robust data from clinical trials to inform an approach to diagnosis and management. Failure to investigate symptoms suggestive of pulmonary embolism (PE) is a consistent finding in maternal death enquiries, and clinical symptoms should not be relied on to exclude or diagnose VTE. In this consensus statement, we present our recommendations for the diagnosis and management of acute deep venous thrombosis (DVT) and PE.

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Pregnancy is a risk factor for venous thromboembolism (VTE), an important cause of maternal morbidity and mortality. Although there is a 4-5-fold increased risk compared to that of nonpregnant women of the same age, the absolute risk is low at no more than two episodes of VTE per 1000 pregnancies. There is uncertainty about which women require thromboprophylaxis during pregnancy or postpartum because of a lack of data from appropriate clinical trials.

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Aim: To describe an important symptom of preeclampsia previously not defined.

Methods: Individual clinician experience case series collected and recorded prospectively.

Results: Little attention has been given to symptoms in the diagnosis of preeclampsia.

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Sepsis is a major cause of serious morbidity and mortality in pregnant women and their babies. Conventional management has evolved over many years. Improved understanding of the underlying pathophysiology and randomized clinical trials have led to recommendations for the formalization and standardization of the management of severe sepsis in non-pregnant patients.

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Pregnancy is intrinsically imperfect, with high rates of complications for mothers and babies. A minority of pregnancies is entirely uncomplicated. Medical disorders are frequent contributors to morbidity for mothers and babies, and have become the major source of maternal mortality.

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Strict control of blood glucose levels should be pursued before conception and maintained throughout the pregnancy (glycohaemoglobin [HbA(1c)] level as close as possible to the reference range). Before conception: high-dose (5 mg daily) folate supplementation should be commenced; oral hypoglycaemic agents should be ceased; and diabetes complications screening should take place. Management should be by a multidisciplinary team experienced in the management of diabetes in pregnancy.

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No adverse pregnancy outcomes with metformin use have been reported, except in one unmatched study. Otherwise, the studies are small and non-randomised, with the exception of one prospective, randomised controlled trial, currently under way, comparing metformin with insulin in women with gestational diabetes mellitus (the MiG trial). No long-term follow-up data for offspring of mothers receiving metformin have been published.

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