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https://www.readbyqxmd.com/read/29334919/low-birthweight-in-rural-cameroon-an-analysis-of-a-cut-off-value
#1
Valirie Ndip Agbor, Chobufo Ditah, Joel Noutakdie Tochie, Tsi Njim
BACKGROUND: Low birthweight (LBW) is a major predictor of early neonatal mortality which disproportionately affects low-income countries. WHO recommends regional definitions for LBW to prevent misclassifications and ensure appropriate care of babies with LBW. We conducted this study to define a clinical cut-off for LBW, and to determine the predictors and adverse foetal outcomes of LBW babies in a rural sub-division in Cameroon. METHODS: We conducted a retrospective register analysis of 1787 singleton deliveries in two health facilities in the Northwest Region of Cameroon...
January 15, 2018: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/29306344/preweaning-mortality-in-piglets-in-loose-housed-herds-etiology-and-prevalence
#2
C Kielland, H Wisløff, M Valheim, A K Fauske, O Reksen, T Framstad
Preweaning mortality in piglets is a welfare issue, as well as an ethical and economic concern in commercial pig farming. Studying the causes of preweaning mortality and their prevalence is necessary to reduce losses. Preweaning piglet mortality was investigated in a field study including 347 sows from 14 loose-housed Norwegian piglet-producing herds. A total of 5254 piglets were born in these herds during the study period, and 1200 piglets were necropsied. The cause of death was based on pathoanatomical diagnosis (PAD)...
January 8, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29282226/maternal-and-fetal-outcomes-of-pregnancies-in-women-with-atypical-hemolytic-uremic-syndrome
#3
Martina Gaggl, Christof Aigner, Dorottya Csuka, Ágnes Szilágyi, Zoltán Prohászka, Renate Kain, Natalja Haninger, Maarten Knechtelsdorfer, Raute Sunder-Plassmann, Gere Sunder-Plassmann, Alice Schmidt
Atypical HUS (aHUS) is a disorder most commonly caused by inherited defects of the alternative pathway of complement, or the proteins that regulate this pathway, and life-threatening episodes of aHUS can be provoked by pregnancy. We retrospectively and prospectively investigated 27 maternal and fetal pregnancy outcomes in 14 women with aHUS from the Vienna Thrombotic Microangiopathy Cohort. Seven pregnancies (26%) were complicated by pregnancy-associated aHUS (p-aHUS), of which three appeared to be provoked by infection, bleeding, and curettage, and three individuals were considered to have preeclampsia/HELLP syndrome before the definitive diagnosis of p-aHUS was made...
December 27, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29278645/impact-of-preterm-birth-on-the-developing-myocardium-of-the-neonate
#4
Jonathan G Bensley, Lynette Moore, Robert De Matteo, Richard Harding, M Jane Black
BACKGROUND: Globally, approximately 10% of infants are born before full-term. Preterm birth exposes the heart to the demands of postnatal cardiovascular function before cardiac development is complete. Our aim was to examine, in hearts collected from infants at autopsy, the effects of preterm birth on myocardial structure and on cardiomyocyte development. METHODS AND RESULTS: Heart tissue was collected at perinatal autopsies of 16 infants who died following preterm birth between 23-36 weeks gestation, and survived for 1-42 days; the hearts of 37 appropriately grown stillborn infants, aged 20-40 weeks gestation, were used for comparison...
December 21, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29274205/arthrogryposis-and-pterygia-as-lethal-end-manifestations-of-genetically-defined-congenital-myopathies
#5
Atif A Ahmed, Priya Skaria, Nicole P Safina, Isabelle Thiffault, Alex Kats, Eugenio Taboada, Sultan Habeebu, Carol Saunders
Arthrogryposis multiplex congenita affects approximately 1 in 3,000 individuals of different ethnic backgrounds and displays an equal incidence in males and females. The underlying mechanism for congenital contracture of the joints is decreased fetal movement during intrauterine development. This disorder is associated with over 400 medical conditions and 350 known genes that display considerable variability in phenotypic expression. In this report, four fetal or perinatal autopsy cases of arthrogryposis were studied by gross morphology, microscopic histopathologic examination, and whole genome sequencing of postmortem DNA...
December 23, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/29261186/genomic-study-of-severe-fetal-anomalies-and-discovery-of-greb1l-mutations-in-renal-agenesis
#6
Sarah Boissel, Catherine Fallet-Bianco, David Chitayat, Valérie Kremer, Christina Nassif, Françoise Rypens, Marie-Ange Delrue, Dorothée Dal Soglio, Luc L Oligny, Natalie Patey, Elisabeth Flori, Mireille Cloutier, David Dyment, Philippe Campeau, Aspasia Karalis, Sonia Nizard, William D Fraser, François Audibert, Emmanuelle Lemyre, Guy A Rouleau, Fadi F Hamdan, Zoha Kibar, Jacques L Michaud
PurposeFetal anomalies represent a poorly studied group of developmental disorders. Our objective was to assess the impact of whole-exome sequencing (WES) on the investigation of these anomalies.MethodsWe performed WES in 101 fetuses or stillborns who presented prenatally with severe anomalies, including renal a/dysgenesis, VACTERL association (vertebral defects, anal atresia, cardiac defects, tracheoesophageal fistula, renal anomalies, and limb abnormalities), brain anomalies, suspected ciliopathies, multiple major malformations, and akinesia...
October 26, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/29250782/fresh-stillborn-and-severely-asphyxiated-neonates-share-a-common-hypoxic-ischemic-pathway
#7
Hege L Ersdal, Joar Eilevstjønn, Jørgen E Linde, Anita Yeconia, Estomih R Mduma, Hussein Kidanto, Jeffrey Perlman
OBJECTIVE: To characterize, among non-breathing flaccid neonates at delivery, immediate heartrate and responses to ventilation in relation to the clinical diagnosis of fresh stillbirth (FSB) or early neonatal death (END) within 24 hours. METHODS: The present cross-sectional study included all deliveries at Haydom Hospital in rural Tanzania between July 1, 2013, and July 31, 2016. Ventilation parameters and heartrate were recorded by monitors with ventilation and dry-electrocardiography sensors...
December 17, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29227713/a-case-report-of-in-utero-williams-syndrome-arterial-malformation
#8
Andrew John Kobalka, Robert E Mrak, William T Gunning
INTRODUCTION: Williams syndrome (WS), an autosomal dominant condition linked to gene deletions on chromosome 7, can cause supravalvular aortic narrowing and death. WS-associated mutations are believed to disrupt arterial elastin fibers, causing smooth muscle malformation, endomysial fibrosis and severe hypertension. Previous studies demonstrated arterial ultrastructural anomalies in adult WS patients. It is not presently known if the arterial phenotype of WS is also present in utero. CASE REPORT: A 34-week stillborn was delivered to a 28-year-old with genetically confirmed WS...
December 11, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/29223928/are-there-risk-factors-for-false-positive-malformation-diagnoses-on-obstetric-ultrasound-a-nested-case-control-study
#9
A Debost-Legrand, I Perthus, O Rivière, D Gallot, D Lémery, F Vendittelli
INTRODUCTION: In a population-based study, we found an overall false-positive rate of 8.8% for the second and third trimester ultrasounds. Although numerous studies have been performed to examine factors which lead to false negatives, the same is not true for the factors associated with false positives. The principal objective of this study was to look for risk factors for false-positive diagnoses of fetal malformations on obstetric ultrasound scans. MATERIAL AND METHODS: In this nested case-control study, the case infants were those whose mother had a false-positive antenatal ultrasound diagnosis of a malformation during the second or third trimester (ultrasound false-positives) and who were live- or stillborn in Auvergne in 2006-2010...
December 6, 2017: Journal of Gynecology Obstetrics and Human Reproduction
https://www.readbyqxmd.com/read/29208037/uterine-rupture-in-a-primigravid-patient-an-uncommon-but-severe-obstetrical-event-a-case-report
#10
Lotte Posthumus, Marielle Eveline Donker
BACKGROUND: A spontaneous rupture of the unscarred uterus in a primigravid patient is extremely rare and is associated with high perinatal and maternal morbidity and mortality. CASE PRESENTATION: A 34-year-old white primigravid woman, 31 + 3 weeks of gestation, presented with pre-eclampsia and developed a sudden acute abdomen. An emergency laparotomy was performed and a uterine rupture was found as the cause of the event. A stillborn girl was born. CONCLUSION: A rupture of the pregnant uterus should always be considered in a pregnant woman presenting with abdominal pain, even in a primigravid patient...
December 6, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29193794/making-stillbirths-visible-a-systematic-review-of-globally-reported-causes-of-stillbirth
#11
REVIEW
H E Reinebrant, S H Leisher, M Coory, S Henry, A M Wojcieszek, G Gardener, R Lourie, D Ellwood, Z Teoh, E Allanson, H Blencowe, E S Draper, J J Erwich, J F Frøen, J Gardosi, K Gold, S Gordijn, A Gordon, Aep Heazell, T Y Khong, F Korteweg, J E Lawn, E M McClure, J Oats, R Pattinson, K Pettersson, D Siassakos, R M Silver, Gcs Smith, Ö Tunçalp, V Flenady
BACKGROUND: Stillbirth is a global health problem. The World Health Organization (WHO) application of the International Classification of Diseases for perinatal mortality (ICD-PM) aims to improve data on stillbirth to enable prevention. OBJECTIVES: To identify globally reported causes of stillbirth, classification systems, and alignment with the ICD-PM. SEARCH STRATEGY: We searched CINAHL, EMBASE, Medline, Global Health, and Pubmed from 2009 to 2016...
January 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29178448/expanding-the-clinical-spectrum-of-phenotypes-caused-by-pathogenic-variants-in-plod2
#12
Gabriela Ferraz Leal, Gen Nishimura, Ulrika Voss, Débora Romeo Bertola, Eva Åström, Johan Svensson, Guilherme Lopes Yamamoto, Anna Hammarsjö, Eva Horemuzova, Nikos Papadiogannakis, Erik Iwarsson, Giedre Grigelioniene, Emma Tham
Osteogenesis imperfecta (OI) is a strikingly heterogeneous group of disorders with a broad range of phenotypic variations. It is also one of the differential diagnoses in bent bone dysplasias along with campomelic dysplasia and thanatophoric dysplasia and can usually be distinguished by decreased bone mineralization and bone fractures. Bent bone dyplasias also include syndromes such as kyphomelic dysplasia [MIM:211350] and mesomelic dysplasia Kozlowski-Reardon [MIM249710], both of which have been under debate regarding whether or not they are a real entity or simply a phenotypic manifestation of another dysplasia including OI...
November 27, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29178283/insights-into-the-epidemic-characteristics-and-evolutionary-history-of-the-novel-porcine-circovirus-type-3-in-southern-china
#13
X Fu, B Fang, J Ma, Y Liu, D Bu, P Zhou, H Wang, K Jia, G Zhang
Porcine circovirus type 3 (PCV3) is a newly identified circovirus from swine in the USA, China and Poland. This novel circovirus has been associated with porcine dermatitis and nephropathy syndrome (PDNS), reproductive failure and multisystemic inflammation; moreover, PCV3 poses a potential threat to the swine industry. In this retrospective study, a phylogenetic analysis was conducted to address the epidemiology and evolutionary dynamics of this novel circovirus. The total positive sample rate of PCV3 was 26...
November 26, 2017: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29175685/does-maternal-environmental-tobacco-smoke-interact-with-social-demographics-and-environmental-factors-on-congenital-heart-defects
#14
Xiaoqing Liu, Zhiqiang Nie, Jimei Chen, Xiaoling Guo, Yanqiu Ou, Guanchun Chen, Jinzhuang Mai, Wei Gong, Yong Wu, Xiangmin Gao, Yanji Qu, Erin M Bell, Shao Lin, Jian Zhuang
Congenital heart defects (CHDs) are a major cause of death in infancy and childhood. Major risk factors for most CHDs, particularly those resulting from the combination of environmental exposures with social determinants and behaviors, are still unknown. This study evaluated the main effect of maternal environmental tobacco smoke (ETS), and its interaction with social-demographics and environmental factors on CHDs in China. A population-based, matched case-control study of 9452 live-born infants and stillborn fetuses was conducted using the Guangdong Registry of Congenital Heart Disease data (2004-2014)...
November 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29171884/autonomy-in-tension-reproduction-technology-and-justice
#15
Louise P King, Rachel L Zacharias, Josephine Johnston
Respect for autonomy is a central value in reproductive ethics, but it can be a challenge to fulfill and is sometimes an outright puzzle to understand. If a woman requests the transfer of two, three, or four embryos during fertility treatment, is that request truly autonomous, and do clinicians disrespect her if they question that decision or refuse to carry it out? Add a commitment to justice to the mix, and the challenge can become more complex still. Is it unfair for insurance policies to exclude from coverage the costs of giving fertility to those who lack it or restoring fertility in those who have lost it? What does "just reproduction" look like in the face of multifarious understandings of both justice and autonomy and in light of increasingly complex and costly reproductive technologies? In today's dialogue about reproduction, medicine, and ethics in the United States, old ethical issues-such as whether women ought to be allowed to access pregnancy termination-are more contested than they have been in decades, while new technologies-like those used to edit the genes of human embryos-suggest that our species could face unprecedented questions about who should exist...
December 2017: Hastings Center Report
https://www.readbyqxmd.com/read/29143647/modelling-stillbirth-mortality-reduction-with-the-lives-saved-tool
#16
Hannah Blencowe, Victoria B Chou, Joy E Lawn, Zulfiqar A Bhutta
BACKGROUND: The worldwide burden of stillbirths is large, with an estimated 2.6 million babies stillborn in 2015 including 1.3 million dying during labour. The Every Newborn Action Plan set a stillbirth target of ≤12 per 1000 in all countries by 2030. Planning tools will be essential as countries set policy and plan investment to scale up interventions to meet this target. This paper summarises the approach taken for modelling the impact of scaling-up health interventions on stillbirths in the Lives Saved tool (LiST), and potential future refinements...
November 7, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29126412/obstetric-fistulae-in-southern-mozambique-incidence-obstetric-characteristics-and-treatment
#17
Sibone Mocumbi, Claudia Hanson, Ulf Högberg, Helena Boene, Peter von Dadelszen, Anna Bergström, Khátia Munguambe, Esperança Sevene
BACKGROUND: Obstetric fistula is one of the most devastating consequences of unmet needs in obstetric services. Systematic reviews suggest that the pooled incidence of fistulae in community-based studies is 0.09 per 1000 recently pregnant women; however, as facility delivery is increasing, for the most part, in Africa, incidence of fistula should decrease. Few population-based studies on fistulae have been undertaken in Sub-Saharan Africa, including Mozambique. This study aimed to estimate the incidence of obstetric fistulae in recently delivered mothers, and to describe the clinical characteristics and care, as well as the outcome, after surgical repair...
November 10, 2017: Reproductive Health
https://www.readbyqxmd.com/read/29121877/a-systematic-survey-to-identify-lethal-recessive-variation-in-highly-managed-pig-populations
#18
Martijn F L Derks, Hendrik-Jan Megens, Mirte Bosse, Marcos S Lopes, Barbara Harlizius, Martien A M Groenen
BACKGROUND: Lethal recessive variation can cause prenatal death of homozygous offspring. Although usually present at low-frequency in populations, the impact on individual fitness can be substantial. Until recently, the presence of recessive embryonic lethal variation could only be measured indirectly through reduced fertility. In this study, we estimate the presence of genetic loci associated with both early and late termination of development during gestation in pigs from the wealth of genome data routinely generated by a commercial breeding company...
November 9, 2017: BMC Genomics
https://www.readbyqxmd.com/read/29112857/tongue-development-in-stillborns-autopsied-at-different-gestational-ages
#19
Laura S Aguiar, Guilherme R Juliano, Luciano A M Silveira, Mariana S Oliveira, Bianca G S Torquato, Gabriela R Juliano, Márcia F Araújo, Sanivia Aparecida L Pereira, Vicente de Paula A Teixeira, Mara Lúcia F Ferraz
OBJECTIVES: This study aimed to analyze, through the morphometric method, the perimeter and length of the tongue, the collagen fibers, and the perimeter of blood vessels at different gestational ages and fetal weights. MATERIAL AND METHODS: Tongues (n=55) of stillborns autopsied at 23-40 weeks of gestational age were macroscopically analyzed, and their length and perimeter were measured. Fifty-five tongue fragments were collected through a longitudinal section in the region that accompanies the median lingual sulcus and histologically processed...
November 4, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/29108501/occult-massive-visceral-fat-necrosis-following-therapeutic-hypothermia-for-neonatal-encephalopathy
#20
Salwa Khedr, Anna Piskorski, Adrienne R Bingham, Justin Goldstein, Abbot R Laptook, Monique E De Paepe
Therapeutic hypothermia (head or whole-body cooling) improves survival and neurodevelopmental outcome in term newborns with moderate-to-severe encephalopathy. Hypothermia treatment is well tolerated; the most common side effect is thrombocytopenia. In about 1% of infants, focal subcutaneous fat necrosis has been reported. We describe a case of clinically unsuspected massive visceral fat necrosis in a term infant with Apgar score 0 at 1 min ("resuscitated apparently stillborn" infant) who was treated with therapeutic hypothermia for 72 h and expired on the 25th day of life following a neonatal course complicated by severe encephalopathy, pulmonary artery hypertension, persistent thrombocytopenia, hypoglycemia, and severe basal ganglia-thalamic abnormalities on magnetic resonance imaging...
January 1, 2017: Pediatric and Developmental Pathology
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