ObjectiveTo determine the effect of prophylactic dextrose gel for prevention of neonatal hypoglycaemia on neurodevelopment and executive function at 2 years’ corrected age.DesignProspective follow-up of a randomised trial.SettingNew Zealand.PatientsParticipants from the pre-hypoglycaemia Prevention with Oral Dextrose (pre-hPOD) trial randomised to one of four dose regimes of buccal 40% dextrose gel or equivolume placebo.Main outcome measuresCoprimary outcomes were neurosensory impairment and executive function. Secondary outcomes were components of the primary outcomes, neurology, anthropometry and health measures.ResultsWe assessed 360 of 401 eligible children (90%) at 2 years’ corrected age. There were no differences between dextrose gel dose groups, single or multiple dose groups, or any dextrose and any placebo groups in the risk of neurosensory impairment or low executive function (any dextrose vs any placebo neurosensory impairment: relative risk (RR) 0.77, 95% CI 0.50 to 1.19, p=0.23; low executive function: RR 0.50, 95% CI 0.24 to 1.06, p=0.07). There were also no differences between groups in any secondary outcomes. There was no difference between children who did or did not develop neonatal hypoglycaemia in the risk of neurosensory impairment (RR 1.05, 95% CI 0.68 to 1.64, p=0.81) or low executive function (RR 0.73, 95% CI 0.34 to 1.59, p=0.43).ConclusionProphylactic dextrose gel did not alter neurodevelopment or executive function and had no adverse effects to 2 years’ corrected age, but this study was underpowered to detect potentially clinically important effects on neurosensory outcomes.
Background Clinical practice guidelines recommend the use of antenatal magnesium sulphate for fetal neuroprotection before preterm birth at <30 weeks’ gestation. Aims This survey assessed the use of antenatal magnesium sulphate for fetal neuroprotection to determine if use has changed since the previous survey in 2012, and to evaluate enablers and barriers to use. Materials and Methods A questionnaire was sent to clinical leaders at 29 hospitals with a neonatal intensive care unit in Australia and New Zealand asking at what gestational ages magnesium sulphate was given, if use was audited and any enablers and barriers to use. Results Responses were received for 24 (83%) hospitals. The use of magnesium sulphate for fetal neuroprotection was reported as 89% (IQR 80–90%), an increase from 80% (IQR 53–90%) from the earlier survey. The majority of health professionals were reported as using magnesium sulphate at <30 weeks’ gestation. The top enablers for use of magnesium sulphate were availability of pamphlets, posters, case record stickers and PowerPoint presentations. The main reasons as to why eligible women did not receive magnesium sulphate were imminent birth, the hospital being short staffed and the patient declined. The use of antenatal magnesium sulphate has been or is being audited in 11 (46%) of the hospitals. Conclusions Clinical leaders at institutions in Australia and New Zealand report that uptake in the use of magnesium sulphate for fetal neuroprotection has continued to increase since the earlier, bi‐national survey in 2012. Barriers to the use of magnesium sulphate identified have institutional and consumer implications.
Computational modeling has well‐established utility in the study of cardiovascular hemodynamics, with applications in medical research and, increasingly, in clinical settings to improve the diagnosis and treatment of cardiovascular diseases. Most cardiovascular models developed to date have been of the adult circulatory system; however, the perinatal period is unique as cardiovascular physiology undergoes drastic changes from the fetal circulation, during the birth transition, and into neonatal life. There may also be further complications in this period: for example, preterm birth (defined as birth before 37 completed weeks of gestation) carries risks of short‐term cardiovascular instability and is associated with increased lifetime cardiovascular risk. Here, we review computational models of the cardiovascular system in early life, their applications to date and potential improvements and enhancements of these models. We propose a roadmap for developing an open‐source cardiovascular model that spans the fetal, perinatal, and postnatal periods. This article is categorized under: Cardiovascular Diseases > Computational Models Cardiovascular Diseases > Biomedical Engineering Congenital Diseases > Computational Models
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