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Preeclampsia : an accelerator–brake defect disorder

Life's perfect partnership starts with the placenta. If we get this right, we have the best chance of healthy life. In preeclampsia, we have a failing placenta. Preeclampsia kills one pregnant woman every minute and the life expectancy of those who survive is greatly reduced. Preeclampsia is treated roughly the same way it was when Thomas Edison was making the first silent movie. Globally, millions of women risk death to give birth each year and almost 300,000 lose their lives in this process. Over half a million babies around the world die each year as a consequence of preeclampsia. Despite decades of research, we lack pharmacological agents to treat it. Maternal endothelial dysfunction is a central phenomenon responsible for the clinical signs of preeclampsia. In the late nineties, we discovered that vascular endothelial growth factor (VEGF) stimulated nitric oxide release. This led us to suggest that preeclampsia arises due to the loss of VEGF activity, possibly due to a rise in soluble Flt-1 (sFlt-1), the natural antagonist of VEGF. Researchers have shown that high sFlt-1 elicits preeclampsia-like signs in pregnant rats and sFlt-1 increases before the clinical signs of preeclampsia in pregnant women. We demonstrated that removing or reducing this culprit protein from preeclamptic placenta restored the angiogenic balance. Heme oxygenase-1 (HO-1 or Hmox1) that generates carbon monoxide (CO), biliverdin (rapidly converted to bilirubin) and iron is cytoprotective. We showed that the Hmox1/CO pathway prevents human placental injury caused by pro-inflammatory cytokines and suppresses sFlt-1 and soluble endoglin release, factors responsible for preeclampsia phenotypes. The other key enzyme we identified is the hydrogen sulfide generating cystathionine-gamma-lyase (CSE or Cth). These are the only two enzyme systems shown to suppress sFlt-1 and to act as protective pathways against preeclampsia phenotypes in animal models. We also showed that when hydrogen sulfide restores placental vasculature, it also improves lagging fetal growth. These molecules act as the inhibitor systems in pregnancy and when they fail, this triggers preeclampsia. Discovering that statins induce these enzymes led us to an RCT to develop a low-cost therapy (StAmP Trial) to prevent or treat preeclampsia. If you think of pregnancy as a car then preeclampsia is an accelerator–brake defect disorder. Inflammation, oxidative stress and an imbalance in the angiogenic milieu fuel the ‘accelerator’. It is the failure in the braking systems (the endogenous protective pathway) that results in the ‘accelerator’ going out of control until the system crashes, manifesting itself as preeclampsia.

The impact of statin use on fetal development:a meta-analysis

INTRODUCTION: Statin use inadvertently during pregnancy and proposed use of statins for the treatment of preeclampsia, led us to question the evidence behind their current contraindicated status. Several studies have evaluated the relationship between statin use in pregnancy with fetal outcome but their results have not been quantitatively assessed by meta-analysis. Our objective was to undertake a systematic review of all published clinical evidence to assess the effects of statin use in pregnancy on subsequent fetal wellbeing. METHODS: A comprehensive search strategy was performed of all electronic databases and the Merck reporting database for studies published from 1966 to 2014. Two reviewers independently screened citations and undertook study quality assessment and data extraction. We obtained summary estimates of adverse fetal events that were classified as potentially fatal, clinically significant morbidity or minor adverse event. We identified 602 titles and reviewed 30 articles for inclusion and exclusion criteria. Meta-analysis was performed on seven studies (3 cohort, 3 case-series and 1 case-control). RESULTS: Of the 922 cases of statin exposure in pregnancy, 27 exposures were associated with lethal or clinically significant fetal morbidity and 10 with minor adverse events. Statin exposure was limited to the first trimester in all but two cases. The pooled rate of lethal or clinically significant fetal abnormalities in pregnant women exposed to statins was 0.01 (95% CI 0.00-0.04), less than the European rate of 0.026 (95% CI 2.54- 2.57)EUROCAT. The rate of fetal abnormality for simvastatin was 0.03 (95% CI 0.00-0.08), atorvostatin 0.11 (95% CI 0.00-0.52), pravastatin 0.01 (95% CI 0.00-0.2) and lovastatin use 0.04 (95% CI 0.00-0.28). Systems based anomalies were also calculated, congenital heart disease was 0.8 (95% CI 0.02-0.12) compared with the background rate of 0.79 (95% CI 0.78- 0.80). CONCLUSIONS: The published data suggests that statins may not be teratogenic when given inadvertently during pregnancy and prospective studies such as The StAmP Trial may provide more data

The Pratt Pouch Provides a Three-Fold Access Increase to Antiretroviral Medication for Births outside Health Facilities in Southern Zambia.

INTRODUCTION: Modern day antiretroviral therapy allows HIV+ pregnant women to lower the likelihood of viral transmission to their infants before, during, and after birth from 20-45% to less than 5%. In developing countries, where non-facility births may outnumber facility births, infant access to safe antiretroviral medication during the critical first three days after birth is often limited. A single-dose, polyethylene pouch ("Pratt Pouch") addresses this challenge by allowing the medication to be distributed to mothers during antenatal care. METHODS: The Pratt Pouch was introduced as part of a one year clinical feasibility study in two districts in Southern Province, Zambia. Participating nurses, community health workers, and pharmacists were trained before implementation. Success in achieving improved antiretroviral medication access was assessed via pre intervention and post intervention survey responses by HIV+ mothers. RESULTS: Access to medication for HIV-exposed infants born outside of a health facility increased from 35% (17/51) before the introduction of the pouch to 94% (15/16) after (p<0.05). A non-significant increase in homebirth rates from 33% (pre intervention cohort) to 50% (post intervention cohort) was observed (p>0.05). Results remained below the national average homebirth rate of 52%. Users reported minimal spillage and a high level of satisfaction with the Pratt Pouch. CONCLUSION: The Pratt Pouch enhances access to infant antiretroviral medication in a rural, non-facility birth setting. Wide scale implementation could have a substantial global impact on HIV transmission rates from mother to child.

PENTAZOCINE VERSUS PENTAZOCINE WITH RECTAL DICLOFENAC FOR POSTOPERATIVE PAIN RELIEF AFTER CESAREAN SECTION- A DOUBLE BLIND RANDOMIZED PLACEBO CONTROLLED TRIAL IN A LOW RESOURCE AREA.

BACKGROUND: The unimodal approach of using pentazocine as post-cesarean section pain relief is inadequate, hence the need for a safer, easily available and more effective multimodal approach. AIM: To evaluate the effectiveness of rectal diclofenac combined with intramuscular pentazocine for postoperative pain following cesarean section. METHODS: In this double blind clinical trial, 130 pregnant women scheduled for cesarean section under spinal anesthesia were randomly assigned to two groups. Group A received 100mg diclofenac suppository and group B received placebo suppository immediately following surgery, 12 and 24h later. Both groups also received intramuscular pentazocine 30mg immediately following surgery and 6 hourly postoperatively in the first 24 h. Postoperative pain was assessed by visual analogue scale at end of surgery and 2, 12 and 24 h after surgery. Patient satisfaction scores were also assessed. RESULTS: One hundred and sixteen patients completed the study. Combining diclofenac and pentazocine had statistically significant reduction in pain intensity at 2, 12, and 24 hours postoperatively compared to pentazocine alone (p <0.05). No significant side effects were noted in both groups. The combined group also had significantly better patient satisfaction scores. CONCLUSION: The addition of diclofenac suppository to intramuscular pentazocine provides better pain relief after cesarean section and increased patient satisfaction.

Transfert de connaissances et politiques publiques : le cas de la politique de gratuité des soins au Niger

Au Niger, le taux de mortalité maternelle est estimé à 535 décès pour 100 000 naissances vivantes (INS, 2013) et la probabilité pour un nouveau-né de mourir avant l’âge d’un mois est de 33 ‰. Depuis 2006, le Niger a mis en place une politique de gratuité des soins pour les femmes enceintes et les enfants de 0 à 5 ans, ce qui a contribué à une amélioration significative de la fréquentation des centres de santé. En mars 2012, un processus délibératif fut organisé pendant une conférence de trois jours pour échanger sur les acquis, limites et perspectives de cette nouvelle politique avec 160 participants dont des chercheurs, des humanitaires, des décideurs politiques et des intervenants sur le terrain. L’objectif de cette recherche est de comprendre les effets de cette conférence ainsi que d’explorer les activités du comité de suivi de la feuille de route. La recherche a été réalisée durant deux mois en été 2014 à Niamey et à N’guiguimi. Elle a reposé sur l’utilisation du cadre conceptuel de Boyko et al., (2012) qui permet de décrire les principales caractéristiques et les effets attendus des dialogues délibératifs et comprendre comment les dialogues délibératifs peuvent contribuer à l’élaboration de politiques sur la base de données probantes. Nous avons mis un accent particulier sur les trois formes d’utilisation des connaissances présentées par Dagenais et al., (2013) : instrumentale, conceptuelle et persuasive. Des entretiens semi-directifs ont été effectués avec 22 acteurs impliqués dans la mise en oeuvre des recommandations. Ils ont été enregistrés, retranscrits intégralement et traités avec le logiciel QDA Miner. Les résultats de l’analyse des discours recueillis révèlent une utilisation instrumentale des recommandations et plus visible chez les humanitaires que les décideurs et les acteurs de la société civile. Il ressort aussi de cette analyse une utilisation conceptuelle et persuasive des recommandations à un degré plus faible parmi tous les acteurs. Le comité de suivi de la feuille route de la conférence n’a pratiquement pas fonctionné, par conséquent, le processus n’a pas eu l’impact souhaité. Les principales raisons de cet échec sont liées au contexte de mise en oeuvre des recommandations (arrestation de plusieurs agents du ministère de la Santé publique qui sont des membres clés du comité de suivi à cause du détournement des fonds GAVI, manque de volonté technique et politique) et/ou aux conditions financières (absence de primes pour les membres du comité et de budget de fonctionnement.). Les iv résultats obtenus ont permis de comprendre les énormes défis (contextuels, financiers notamment) qui restent à relever en matière de transfert de connaissance dans le secteur de santé publique au Niger. En ce qui concerne la suite de la conférence, il faudrait accélérer la redynamisation du comité de suivi en le dotant d’un fonds de fonctionnement et en créant une agence autonome de gestion de la gratuité des soins; et renforcer le soutien politique autour de l’Initiative Santé Solidarité Sahel.

‘Poor prison flowers’: convict mothers and their children in Ireland, 1853-1900

Pregnant women and mothers were among the thousands of individuals who were sentenced to at least three years’ penal servitude and admitted to the nineteenth-century Irish female convict prison. While some babies were born behind bars, others were permitted to accompany their convicted mothers into the prison after the penal practice of transportation had ceased. Other dependent children were separated from their convicted mothers for years, cared for by family members or friends, or accommodated in Ireland’s growing web of institutions. Using individual case studies, this article focuses on convict mothers and their young offspring. It draws attention to the increasing restrictions on the admission of infants that were imposed as the nineteenth century progressed, the problems that children of various ages in the penal system seemed to pose for officials, and the difficulties faced by incarcerated mothers who wished to maintain communication with their offspring. This article argues that while there were benefits to parenting within the confines of the prison, sentences of penal servitude had a significant impact on the lives of dependent offspring by dislocating families, separating siblings, or initiating institutional or other care that broke familial bonds permanently. In so doing, the article reveals attitudes towards motherhood as well as female criminality and institutionalization generally during this period and sheds light on an aspect of convict life unique to the women’s prison.

Gestação após gastroplastia para tratamento de obesidade mórbida: série de casos e revisão da literatura

Objetivo: relatar a evolução de uma série de casos de gestação em mulheres previamente submetidas à cirurgia de bypass gástrico para tratamento de obesidade grave. Métodos: cinco casos consecutivos de gravidez após gastroplastia ocorridos entre 2001 e 2004 foram avaliados. As pacientes tinham idade entre 30 e 34 anos e todas haviam sido submetidas à cirurgia de Capella. Aspectos clínicos, laboratoriais e do acompanhamento materno e fetal foram considerados, durante o período gestacional e após o parto. Foi realizada revisão da literatura internacional, por meio das bases de dados MEDLINE e Web of Science, utilizando os seguintes unitermos: gastroplasty, gastric bypass surgery, bariatric surgery e pregnancy. Resultados: todas as gestações observadas foram únicas e não ocorreram complicações obstétricas, durante o seguimento pré-natal e parto. Também não houve registro de recém-nascidos prematuros ou de baixo peso ao nascimento. Conclusão: nossos dados sugerem que a gravidez após gastroplastia é segura para a mãe e feto. Entretanto, em virtude do limitado volume de informação disponível sobre o tema, investigações adicionais são necessárias para estabelecer recomendações apropriadas com relação ao seguimento dessas gestações _________________________________________________ABSTRACT Purpose: we report a small series of pregnant women who underwent gastric bypass surgery for severe obesity, with a review of the literature on this topic. Methods: five consecutive cases of pregnancy after gastroplasty between 2001 and 2004 were evaluated, and clinical, laboratory and therapeutic features were considered. Patients were 30 to 34 years old and all had been submitted to gastroplasty by the Capella technique. The outcomes for both the pregnant woman and the fetus were evaluated. A search of the English language literature was done through MEDLINE and Web of Science databases with the following terms: gastroplasty, gastric bypass surgery, bariatric surgery, and pregnancy. Results: all 5 pregnancies were singleton. No major obstetric complications were observed and there were no premature or lowbirth weight infants. Conclusion: our data suggest that pregnancy following gastroplasty is safe for mother and fetus. However, since information about this topic is limited, further investigations are required to establish appropriate recommendations concerning the follow-up of these pregnancies

Statistics on Smoking Cessation Services in Northern Ireland: 2014/15

This information release, produced by the Department of Health, Social Services and Public Safety’s Information and Analysis Directorate, provides information on smoking cessation services. Data are included on the monitoring of smoking cessation services in Northern Ireland during the period 1st April 2014 to 31st March 2015. This report also provides an analysis of data collected in 2014/15 in respect of clients who set a quit date during 2013/14 (52 week follow-up). Information contained within this report was downloaded from a web based recording system. Figures here are correct as of 1st September 2015. The Ten Year Tobacco Control Strategy for Northern Ireland aims to see fewer people starting to smoke, more smokers quitting and protecting people from tobacco smoke. It is aimed at the entire population of Northern Ireland as smoking and its harmful effects cut across all barriers of class, race and gender. There is a strong relationship between smoking and inequalities, with more people dying of smoking-related illnesses in disadvantaged areas of Northern Ireland than in its more affluent areas. In order to ensure that more focused action is directed to where it is needed the most, three priority groups have been identified. They are: · Children and young people; · Disadvantaged people who smoke; and · Pregnant women, and their partners, who smoke. The Public Health Agency (PHA) is responsible for implementing the strategy and the development of cessation services is a key element of the overall aim to tackle smoking. The 2013/14 Health Survey Northern Ireland reported that 22% of adults currently smoke (23% of males and 21% of females). In addition, in 2013, the Young Persons’ Behaviour and Attitude Survey (YPBAS) found that 6% of pupils aged between and 11 and 16 smoked (7% of males and 5% of females).      

Risk Factors for Maternal Vitamin D Deficiency within the United Arab Emirates

Introduction: Vitamin D deficiency during pregnancy is a public health problem and it has been associated with negative pregnancy outcomes for both mothers and infants. Aim: To estimate the prevalence of vitamin D deficiency in pregnant women in the United Arab Emirates (UAE) and to identify the contribution of risk factors to the 25(OH)D levels. Methods: It is a cross-sectional study in which vitamin D levels of 1088 adult pregnant women were assessed. Information on vitamin D intake was available in a sub-sample of 266 women. Results: The mean serum 25(OH)D was 26.2 nmol/L (95% CI 25.2-27.1 range 5-129.1 nmol/L) with 69% of women being vitamin D deficient (<30 nmol/L). In the bivariate analysis, showed that no predictors could have been indicated as no values exceeded significance (p<0.2). Stepwise multiple linear regression analysis could not be applied to identify predictors of vitamin D levels as no values exceeded p=0.2. Conclusion: Due to the high prevalence of vitamin deficiency in UAE, there is an urge for interventions focusing on supplementation, fortification and diet diversity for preventing health consequences during a critical period of development.