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Perinatal infection

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https://www.readbyqxmd.com/read/29785793/outcomes-associated-with-fetal-parvovirus-b19-infection-a-systematic-review-and-meta-analysis
#1
REVIEW
Francesca Bascietto, Marco Liberati, Daniela Murgano, Danilo Buca, Antonia Iacovelli, Maria Elena Flacco, Lamberto Manzoli, Alessandra Familiari, Giovanni Scambia, Francesco D'Antonio
OBJECTIVE: To explore the outcome of fetuses affected by congenital Parvovirus B19 (PB19) Infection. METHODS: The outcomes observed were: miscarriage, perinatal death (PND), intra-uterine death (IUD), neonatal death (NND), spontaneous resolution of hydrops or fetal anemia, intra-uterine transfusion (IUT), resolution of hydrops or anemia after transfusion, fetal loss following transfusion, abnormal brain scan after birth, abnormal neurodevelopmental outcome. All the observed outcomes were reported in fetuses presenting and in those not presenting signs of hydrops on ultrasound...
May 22, 2018: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29776314/depression-in-perinatally-hiv-infected-pregnant-women-compared-to-non-perinatally-hiv-infected-and-hiv-uninfected-pregnant-women
#2
Ruth C Angrand, Rhoda Sperling, Kinga Roccobono, Lauren M Osborne, Jennifer Jao
"Depression (as noted in chart by a physician)" was compared between HIV infected pregnant women and controls. Perinatally HIV-infected (PHIV), non-perinatally HIV-infected (NPHIV), and HIV-uninfected (HIV-U) pregnant women were all compared using a logistic regression model. Overall, HIV-infected women had higher rates of depression than HIV-U, with PHIV women demonstrating a clinically and statistically significant increased risk compared to HIV-U women [adjusted OR: 15.9, 95% CI = 1.8-143.8]...
May 18, 2018: AIDS Care
https://www.readbyqxmd.com/read/29774532/the-fetus-at-the-tipping-point-modifying-the-outcome-of-fetal-asphyxia
#3
Simerdeep K Dhillon, Christopher A Lear, Robert Galinsky, Guido Wassink, Joanne O Davidson, Sandra Juul, Nicola J Robertson, Alistair J Gunn, Laura Bennet
Brain injury around birth is associated with nearly half of all cases of cerebral palsy. Although brain injury is multifactorial, particularly after preterm birth, acute hypoxia-ischaemia is a major contributor to injury. It is now well established that the severity of injury after HI is determined by a dynamic balance between injurious and protective processes. In addition, mothers who are at risk of premature delivery have high rates of diabetes and antepartum infection/inflammation and are almost universally given treatments such as antenatal glucocorticoids and magnesium sulphate to reduce the risk of death and complications after preterm birth...
May 17, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29773977/journey-to-the-center-of-the-fetal-brain-environmental-exposures-and-autophagy
#4
REVIEW
Jun Lei, Pilar Calvo, Richard Vigh, Irina Burd
Fetal brain development is known to be affected by adverse environmental exposures during pregnancy, including infection, inflammation, hypoxia, alcohol, starvation, and toxins. These exposures are thought to alter autophagy activity in the fetal brain, leading to adverse perinatal outcomes, such as cognitive and sensorimotor deficits. This review introduces the physiologic autophagy pathways in the fetal brain. Next, methods to detect and monitor fetal brain autophagy activity are outlined. An additional discussion explores possible mechanisms by which environmental exposures during pregnancy alter fetal brain autophagy activity...
2018: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/29773122/cost-effectiveness-of-the-controlled-temperature-chain-for-the-hepatitis-b-virus-birth-dose-vaccine-in-various-global-settings-a-modelling-study
#5
Nick Scott, Anna Palmer, Christopher Morgan, Olufunmilayo Lesi, C Wendy Spearman, Mark Sonderup, Margaret Hellard
BACKGROUND: The controlled temperature chain (CTC) strategy allows vaccines to be kept outside the cold chain for a short period of time. In remote rural areas, the CTC strategy for the hepatitis B virus (HBV) birth dose vaccination could improve its geographical coverage and timeliness of delivery, but with additional outreach costs. We assessed the cost-effectiveness of the CTC strategy for the HBV birth dose across six world regions and 72 countries according to their HBV prevalence, delivery costs, and birth dose coverage and timing...
June 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29770117/clinical-application-of-epilepsy-genetics-in-africa-is-now-the-time
#6
Alina I Esterhuizen, Gemma L Carvill, Rajkumar S Ramesar, Symon M Kariuki, Charles R Newton, Annapurna Poduri, Jo M Wilmshurst
Over 80% of people with epilepsy live in low- to middle-income countries where epilepsy is often undiagnosed and untreated due to limited resources and poor infrastructure. In Africa, the burden of epilepsy is exacerbated by increased risk factors such as central nervous system infections, perinatal insults, and traumatic brain injury. Despite the high incidence of these etiologies, the cause of epilepsy in over 60% of African children is unknown, suggesting a possible genetic origin. Large-scale genetic and genomic research in Europe and North America has revealed new genes and variants underlying disease in a range of epilepsy phenotypes...
2018: Frontiers in Neurology
https://www.readbyqxmd.com/read/29770056/hiv-in-canada-surveillance-report-2016
#7
A C Bourgeois, M Edmunds, A Awan, L Jonah, O Varsaneux, W Siu
Background: Human immunodeficiency virus (HIV) continues to be a global public health concern, with 2.1 million people newly infected in 2015. Although many high-income countries have noted decreasing rates of HIV, between 2013 and 2015 Canada's rates had stabilized at 5.8 per 100,000 population. Objective: To provide a descriptive overview of reported cases of HIV in Canada up until 2016 by geographic location, sex, age group, exposure category and race/ethnicity, with a focus on the most recent data...
December 7, 2017: Canada Communicable Disease Report, Relevé des Maladies Transmissibles Au Canada
https://www.readbyqxmd.com/read/29768662/immersion-in-water-during-labour-and-birth
#8
REVIEW
Elizabeth R Cluett, Ethel Burns, Anna Cuthbert
BACKGROUND: Water immersion during labour and birth is increasingly popular and is becoming widely accepted across many countries, and particularly in midwifery-led care settings. However, there are concerns around neonatal water inhalation, increased requirement for admission to neonatal intensive care unit (NICU), maternal and/or neonatal infection, and obstetric anal sphincter injuries (OASIS). This is an update of a review last published in 2011. OBJECTIVES: To assess the effects of water immersion during labour and/or birth (first, second and third stage of labour) on women and their infants...
May 16, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29768650/gestation-at-birth-mode-of-birth-infant-feeding-and-childhood-hospitalization-with-infection
#9
Jason P Bentley, David P Burgner, Antonia W Shand, Jane C Bell, Jessica E Miller, Natasha Nassar
INTRODUCTION: Infections are a leading cause of mortality and morbidity in preschool children. We aimed to assess the impact of the co-occurrence of cesarean section, early birth and formula feeding on hospitalization with infection in early childhood. MATERIAL AND METHODS: Population-based retrospective record-linkage cohort study of 488 603 singleton livebirths ≥32 weeks gestational age in New South Wales, Australia, 2007-2012. Multivariable Cox-regression was used to estimate independent and combined adjusted associations of gestational age, mode of birth (vaginal or cesarean section by labor onset) and formula feeding with time to first and repeat hospitalization with infection for children <5 years of age...
May 16, 2018: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/29765035/efficacy-of-a-respiratory-syncytial-virus-vaccine-candidate-in-a-maternal-immunization-model
#10
Jorge C G Blanco, Lioubov M Pletneva, Lori McGinnes-Cullen, Raymonde O Otoa, Mira C Patel, Lurds R Fernando, Marina S Boukhvalova, Trudy G Morrison
Respiratory syncytial virus (RSV) is the most common cause of bronchiolitis in infants. Maternal immunization is an option to increase maternal antibody levels and protect infants from infection. Here we assess the efficacy of virus-like particle (VLP) vaccine candidates containing stabilized pre-fusion (pre-F) or post-fusion (post-F) conformations of the RSV F protein and the attachment RSV G protein in a maternal immunization model using cotton rats. VLP vaccines containing RSV F and G proteins strongly boost pre-existing RSV immunity in dams preventing their perinatal drop in immunity...
May 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29762690/intestinal-integrity-biomarkers-in-early-antiretroviral-treated-perinatally-hiv-1-infected-infants
#11
Wei Li A Koay, Jane C Lindsey, Priyanka Uprety, Mutsa Bwakura-Dangarembizi, Adriana Weinberg, Myron J Levin, Deborah Persaud
Biomarkers of intestinal integrity (intestinal fatty acid binding protein (iFABP) and zonulin), were compared in early antiretroviral-treated, HIV-1-infected (HIV+; n=56) African infants and HIV-exposed but uninfected (HEU; n=53) controls. Despite heightened inflammation and immune activation in HIV+ infants, iFABP and zonulin levels at three months of age were not different from those in HEU infants, and largely not correlated with inflammatory and immune activation biomarkers. However, zonulin levels increased, and became significantly higher in HIV+ compared to HEU infants by five months of age despite ART-suppression...
May 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29759976/missed-opportunities-for-prevention-of-vertical-hiv-transmission-in-canada-1997-2016-a-surveillance-study
#12
Ari Bitnun, Terry Lee, Jason Brophy, Lindy M Samson, Fatima Kakkar, Wendy Vaudry, Ben Tan, Deborah M Money, Joel Singer, Laura J Sauvé, Ariane Alimenti
BACKGROUND: Vertical HIV transmission has declined in Canada, but missed opportunities for prevention continue to occur. We sought to determine the adequacy, and changes over time in adequacy, of uptake of maternal and neonatal antiretroviral therapy for the prevention of vertical HIV transmission, and to determine the vertical transmission rate over time and according to adequacy of antenatal antiretroviral therapy during the combination antiretroviral therapy era in Canada. METHODS: The Canadian Perinatal HIV Surveillance Program collects data annually through retrospective chart review concerning HIV-infected women and their infants...
May 10, 2018: CMAJ Open
https://www.readbyqxmd.com/read/29757383/considerations-of-antiviral-treatment-to-interrupt-mother-to-child-transmission-of-hepatitis-b-virus-in-china
#13
Fuqiang Cui, Joseph Woodring, Polin Chan, Fujie Xu
Background: Treating high-risk women with antivirals in their third trimester is a promising intervention to further reduce perinatal transmission in neonates born to hepatitis B surface antigen positive [HBsAg(+)] mothers. Methods: We estimated the number of perinatal infections based on coverage and effectiveness of hepatitis B immunization. We compared cost-effectiveness of different approaches to identify high-risk women for antiviral treatment, by region and urban/rural residence...
May 10, 2018: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29756549/family-functioning-in-adolescents-with-perinatal-hiv-infection
#14
Orawan Louthrenoo, Linda Aurpibul, Peninnah Oberdorfer, Virat Sirisanthana
This study aimed to assess family functioning in adolescents with perinatal HIV infection receiving antiretroviral therapy compared with healthy controls. Correlations between self-reported and caregiver-reported family functions were also evaluated. A sample of 195 participants including 65 perinatally HIV-infected adolescents and 130 healthy controls were enrolled. The total family functioning score in HIV-infected adolescents was significantly lower than that in healthy controls by self-report (105.86 vs 115...
January 2018: Journal of the International Association of Providers of AIDS Care
https://www.readbyqxmd.com/read/29752621/correlates-of-suicidal-ideation-during-pregnancy-and-postpartum-among-women-living-with-hiv-in-rural-south-africa
#15
Violeta J Rodriguez, Lissa N Mandell, Suat Babayigit, Rhea R Manohar, Stephen M Weiss, Deborah L Jones
In developing countries, up to 20% of maternal deaths during pregnancy are due to suicide, and being HIV-infected confers additional risk. This manuscript sought to identify perinatal correlates of suicidal ideation among women living with HIV (WLHIV) in rural South Africa. Pregnant WLHIV (N = 681) were recruited and re-assessed at 12-months postpartum. Mean age was 28.3 (SD = 5.7) years and 68% were below the poverty line. Prenatal suicidal ideation was 39%; suicidal ideation continued for 7% at 12 months, 13% experienced incident suicidal ideation, and for 19% suicidal ideation had stopped postnatally...
May 11, 2018: AIDS and Behavior
https://www.readbyqxmd.com/read/29747893/perinatal-brain-injury-mechanisms-prevention-and-outcomes
#16
REVIEW
Christopher M Novak, Maide Ozen, Irina Burd
Perinatal brain injury may lead to long-term morbidity and neurodevelopmental impairment. Improvements in perinatal care have resulted in the survival of more infants with perinatal brain injury. The effects of hypoxia-ischemia, inflammation, and infection during critical periods of development can lead to a common pathway of perinatal brain injury marked by neuronal excitotoxicity, cellular apoptosis, and microglial activation. Various interventions can prevent or improve the outcomes of different types of perinatal brain injury...
June 2018: Clinics in Perinatology
https://www.readbyqxmd.com/read/29747890/detection-and-prevention-of-perinatal-infection-cytomegalovirus-and-zika-virus
#17
REVIEW
Amber M Wood, Brenna L Hughes
Congenital cytomegalovirus is the most common viral congenital infection, and affects up to 2% of neonates. Significant sequelae may develop after congenital cytomegalovirus, including hearing loss, cognitive defects, seizures, and death. Zika virus is an emerging virus with perinatal implications; a congenital Zika virus syndrome has been identified, and includes findings such as microcephaly, fetal nervous system abnormalities, and neurologic sequelae after birth. Screening, diagnosis, prevention, and treatment of these perinatal infections are reviewed in this article...
June 2018: Clinics in Perinatology
https://www.readbyqxmd.com/read/29746298/perinatally-acquired-hiv-infection-accelerates-epigenetic-aging-in-south-african-adolescents
#18
Steve Horvath, Nicole Phillips, Sarah J Heany, Michael S Kobor, David Ts Lin, Landon Myer, Heather J Zar, Dan J Stein, Andrew J Levine, Jacqueline Hoare
OBJECTIVE: Recent studies demonstrate that infection with the Human Immunodeficiency Virus-1 (HIV) is associated with accelerated aging effects in adults according to a highly accurate epigenetic biomarker of aging known as epigenetic clock. However, it not yet known whether epigenetic age acceleration occurs as early as adolescence in perinatally HIV-infected (PHIV+) youth. DESIGN: Observational study of PHIV and HIV-uninfected adolescents enrolled in the Cape Town Adolescent Antiretroviral Cohort (CTAAC) Study...
May 8, 2018: AIDS
https://www.readbyqxmd.com/read/29742647/is-there-a-higher-risk-of-mother-to-child-transmission-of-hiv-among-pregnant-women-with-perinatal-hiv-infection
#19
Christopher J Goodenough, Kunjal Patel, Russell B Van Dyke
Cases of mother-to-child-transmission (MTCT) in the PHACS SMARTT study were identified from 2007-2015. Among 2123 births, 9 infants were HIV-infected, giving a MTCT rate of 0.5% (95% CI: 0.3-1.0%). PHIV mothers had a higher MTCT rate (1.1%, 95% CI: 0.3-4.3) than mothers without PHIV (0.4%, 95% CI: 0.2-1.0%), associated with a greater likelihood of detectable viral load at delivery.
May 4, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29741155/the-hidden-burden-of-plasmodium-vivax-malaria-in-pregnancy-in-the-amazon-an-observational-study-in-northwestern-brazil
#20
Anaclara Pincelli, Paulo A R Neves, Barbara H Lourenço, Rodrigo M Corder, Maíra B Malta, Juliana Sampaio-Silva, Rodrigo M de Souza, Marly A Cardoso, Marcia C Castro, Marcelo U Ferreira, For The Mina Brazil Working Group
We measured the prevalence of malaria in pregnancy and estimated its impact on birth weight and length and maternal hemoglobin in 1,180 women from Juruá Valley, the main malaria hotspot in Brazil. Antenatal malaria episodes, 74.6% of them due to Plasmodium vivax , were microscopically diagnosed in 8.0% of the women and were associated with an average reduction in birth weight z -scores of 0.35 (95% confidence interval [CI] = 0.14-0.57) and in birth length z -scores of 0.31 (95% CI = 0.08-0.54), compared with malaria-free pregnancies...
May 7, 2018: American Journal of Tropical Medicine and Hygiene
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