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https://www.readbyqxmd.com/read/29346650/persistence-of-zika-virus-after-birth-clinical-virological-neuroimaging-and-neuropathological-documentation-in-a-5-month-infant-with-congenital-zika-syndrome
#1
Leila Chimelli, Sheila Moura Pone, Elyzabeth Avvad-Portari, Zilton Farias Meira Vasconcelos, Andrea Araújo Zin, Daniela Prado Cunha, Nathalia Raposo Thompson, Maria Elisabeth Lopes Moreira, Clayton A Wiley, Marcos Vinicius da Silva Pone
During the Zika epidemic in Brazil, a baby was born at term with microcephaly and arthrogryposis. The mother had Zika symptoms at 10 weeks of gestation. At 17 weeks, ultrasound showed cerebral malformation and ventriculomegaly. At 24 weeks, the amniotic fluid contained ZIKV RNA and at birth, placenta and maternal blood were also positive using RT-qPCR. At birth the baby urine contained ZIKV RNA, whereas CSF at birth and urine at 17 days did not. Seizures started at 6 days. EEG was abnormal and CT scan showed cerebral atrophy, calcifications, lissencephaly, ventriculomegaly, and cerebellar hypoplasia...
January 13, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29346537/cerebral-mitochondrial-dysfunction-associated-with-deep-hypothermic-circulatory-arrest-in-neonatal-swine
#2
Constantine D Mavroudis, Michael Karlsson, Tiffany Ko, Marco Hefti, Javier I Gentile, Ryan W Morgan, Ross Plyler, Kobina G Mensah-Brown, Timothy W Boorady, Richard W Melchior, Tami M Rosenthal, Brandon C Shade, Kellie L Schiavo, Susan C Nicolson, Thomas L Spray, Robert M Sutton, Robert A Berg, Daniel J Licht, J William Gaynor, Todd J Kilbaugh
OBJECTIVES: Controversy remains regarding the use of deep hypothermic circulatory arrest (DHCA) in neonatal cardiac surgery. Alterations in cerebral mitochondrial bioenergetics are thought to contribute to ischaemia-reperfusion injury in DHCA. The purpose of this study was to compare cerebral mitochondrial bioenergetics for DHCA with deep hypothermic continuous perfusion using a neonatal swine model. METHODS: Twenty-four piglets (mean weight 3.8 kg) were placed on cardiopulmonary bypass (CPB): 10 underwent 40-min DHCA, following cooling to 18°C, 10 underwent 40 min DHCA and 10 remained at deep hypothermia for 40 min; animals were subsequently rewarmed to normothermia...
January 15, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29346344/development-of-immune-and-microbial-environments-is-independently-regulated-in-the-mammary-gland
#3
K Niimi, K Usami, Y Fujita, M Abe, M Furukawa, Y Suyama, Y Sakai, M Kamioka, N Shibata, E J Park, S Sato, H Kiyono, H Yoneyama, H Kitazawa, K Watanabe, T Nochi, H Aso
Breastfeeding is important for mammals, providing immunological and microbiological advantages to neonates, together with the nutritional supply from the mother. However, the mechanisms of this functional diversity in the mammary gland remain poorly characterized. Here, we show that, similar to the gastrointestinal tract, the mammary gland develops immune and microbial environments consisting of immunoglobulin A (IgA) and the microflora, respectively, both of which are important for protecting neonates and the mother from infectious diseases...
December 20, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29346169/sphenoid-dysplasia-a-rare-presentation-of-infantile-myofibroma
#4
Ashwini Kini, Reema Syed, Christopher Compton, Jessica L Hata, Aparna Ramasubramanian
The authors report a case of isolated congenital orbital myofibroma causing sphenoid dysplasia and presenting as global restriction of extraocular motility and ptosis in a neonate. Sphenoid wing dysplasia is most commonly associated neurofibromatosis 1 but this patient had no evidence of neurofibromatosis on clinical examination and genetic testing. Congenital orbital myofibroma can have secondary effects on bone and likely the lesion was present early in development leading to aplasia of the sphenoid bone...
January 17, 2018: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29346142/neonatal-abstinence-syndrome-an-update
#5
Lauren A Sanlorenzo, Ann R Stark, Stephen W Patrick
PURPOSE OF REVIEW: The current review provides an update focused on the evolving epidemiology of neonatal abstinence syndrome (NAS), factors influencing disease expression, advances in clinical assessment of withdrawal, novel approaches to NAS treatment, and the emerging role of quality improvement in assessment and management of NAS. RECENT FINDINGS: The rise in the incidence of NAS disproportionately occurred in rural and suburban areas. Polysubstance exposure and genetic polymorphisms have been shown to modify NAS expression and severity...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29346141/caffeine-controversies
#6
Samuel J Gentle, Colm P Travers, Waldemar A Carlo
PURPOSE OF REVIEW: Caffeine use in preterm infants has endured several paradigms: from standard of care to possible neurotoxin to one of the few medications for which there is evidence of bronchopulmonary dysplasia (BPD) risk reduction. The purpose of the review is to analyze this dynamic trajectory and discuss controversies that still remain after decades of caffeine use. RECENT FINDINGS: Following concerns for caffeine safety in preterm infants, a large randomized controlled trial demonstrated a reduction in BPD and treatment for patent ductus arteriosus...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29346140/neonatal-hypoglycemia-continuous-glucose-monitoring
#7
Rajesh Shah, Christopher J D McKinlay, Jane E Harding
PURPOSE OF REVIEW: Continuous glucose monitoring (CGM) is increasingly used in the management of diabetes in children and adults, but there are few data regarding its use in neonates. The purpose of this article is to discuss the potential benefits and limitations of CGM in neonates. RECENT FINDINGS: Smaller electrodes in new sensors and real-time monitoring have made CGM devices more approachable for neonatal care. CGM is well tolerated in infants including very low birth weight babies, and few if any local complications have been reported...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29346139/blood-biomarkers-for-evaluation-of-perinatal-encephalopathy-state-of-the-art
#8
Ernest M Graham, Allen D Everett, Jean-Christophe Delpech, Frances J Northington
PURPOSE OF REVIEW: The rapid progress in biomarker science is on the threshold of significantly changing clinical care for infants in the neonatal ICU. Infants with neonatal brain injuries will likely be the first group whose management is dramatically altered with point-of-care, rapidly available brain biomarker analysis. Providing an interim update on progress in this area is the purpose of this review. RECENT FINDINGS: Highlighted findings from the past 18 months of publications on biomarkers in neonatal brain injury include; Specific nonbrain markers of cardiac health and global asphyxia continue to provide information on brain injury after hypoxic-ischemic encephalopathy (HIE)...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29345722/morphometric-properties-of-the-tensor-fascia-lata-muscle-in-human-fetuses
#9
Orhan Beger, Turan Koç, Burhan Beger, Deniz Uzmansel, Zeliha Kurtoğlu
In neonatal and early childhood surgeries such as meningomyelocele repairs, closing deep wounds and oncological treatment, tensor fasciae lata (TFL) flaps are used. However, there are not enough data about structural properties of TFL in fetuses, which can be considered as the closest to neonates in terms of sampling. This study's main objective is to gather data about morphological structures of TFL in human fetuses to be used in newborn surgery. Fifty formalin-fixed fetuses (24 Male - 26 Female) with gestational age ranging from 18 - 30 weeks (mean 22...
January 18, 2018: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/29345605/histopathological-evaluation-of-aortic-coarctation-after-conventional-balloon-angioplasty-in-neonates
#10
Atakan Atalay, Aysenur Pac, Tugba Avci, Neslihan İnci Zengin, Nadide Demir Amac, Deniz Eris, Irfan Tasoglu, Mustafa Pac
BACKGROUND: Optimal management strategy for native aortic coarctation in neonates and young infants is still a matter of debate. The surgical procedure, histopathologic research, and clinical outcome in 15 neonates who underwent surgery after successful balloon angioplasty is the basis of this study. METHOD: Between 01 October, 2014 and 01 August, 2017, we enrolled 15 patients with native aortic coarctation for this study. These patients had complications regarding recoarctation, following balloon angioplasty intervention at our institute and other centres...
January 18, 2018: Cardiology in the Young
https://www.readbyqxmd.com/read/29345589/neonatal-systemic-thrombosis-an-updated-overview
#11
Salvatore Santo Signorelli, Gea Oliveri Conti, Angelo Claudio Molinari, Martino Ruggieri, Alfina Grasso, Margherita Ferrantea
Thromboembolic disease is a complex disorder with a multifactorial aetiology and a severe outcome. In newborns and children it may be missed or diagnosed late, thus worsening the prognosis. The neonatal disease is different from the disorder affecting older children and adults. However, scant epidemiological data and few randomised clinical trials regarding paediatric patients are available, and treatment recommendations are largely based on adult guidelines. Younger patients then have several decades over which they will suffer from the complications of thrombosis and risk of a new thrombotic episode...
January 16, 2018: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29345344/differential-outcomes-of-tlr2-engagement-in-inflammation-induced-preterm-birth
#12
Monica Cappelletti, Matthew J Lawson, Calvin C Chan, Adrienne N Wilburn, Senad Divanovic
Preterm birth (PTB) is the leading cause of neonatal mortality worldwide. Infection and inflammation are considered main causes of PTB. Among multiple pathogens, Gram-positive bacteria are commonly linked with induction of PTB. Although activation of innate immune responses, via TLR2 engagement, by Gram-positive bacteria is a likely cause, whether induction of PTB depends on the potency of specific microbial components to induce Toll-like receptor (TLR)2-driven inflammation has not been elucidated. Here, we show that TLR2 activation by synthetic lipopeptides, Pam2Cys, and Pam3Cys specifically, variably influenced inflammation and subsequent induction of PTB...
December 28, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/29345197/neonatal-hyperoxia-depletes-pulmonary-vein-cardiomyocytes-in-adult-mice-via-mitochondrial-oxidation
#13
Min Yee, Ethan David Cohen, William Domm, George A Porter, Andrew N McDavid, Michael A O'Reilly
Supplemental oxygen given to preterm infants has been associated with permanently altering postnatal lung development. Now that these individuals are reaching adulthood, there is growing concern that early-life oxygen exposure may also promote cardiovascular disease through poorly understood mechanisms. We previously reported that adult mice exposed to 100% oxygen between postnatal days 0-4 develop pulmonary hypertension defined pathologically by capillary rarefaction, dilation of arterioles and veins, cardiac failure, and a reduced lifespan...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29345193/serotonin-2a-receptor-inhibition-protects-against-the-development-of-pulmonary-hypertension-and-pulmonary-vascular-remodeling-in-neonatal-mice
#14
Cassidy Delaney, Laurie Sherlock, Susan Fisher, Joanne K Maltzahn, Clyde J Wright, Eva Nozik-Grayck
Pulmonary hypertension (PH) complicating bronchopulmonary dysplasia (BPD) worsens clinical outcomes in former preterm infants. Increased serotonin (5-hydroxytryptamine, 5-HT) signaling plays a prominent role in PH pathogenesis and progression in adults. We hypothesized that increased 5-HT signaling contributes to the pathogenesis of neonatal PH complicating BPD and neonatal lung injury. Thus, we interrogated 5-HT signaling in neonatal mice exposed to bleomycin, previously demonstrated to induce PH and alveolar simplification...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29345159/weighing-in-on-the-risks-and-benefits-of-probiotic-use-in-hiv-infected-and-immunocompromised-populations
#15
A U Happel, S L Barnabas, R Froissart, J S Passmore
Probiotics are used in the prophylaxis and treatment of several conditions, including irritable bowel syndrome, diarrhoea, necrotising enterocolitis (NEC) and colic in infants. Despite the long history of probiotic use in humans, there is still significant debate about their efficacy and safety, particularly in HIV-infected and immunocompromised individuals. Here, we reviewed the safety and adverse event (AE) reporting from clinical trials that have tested probiotics in at risk populations, including HIV-infected individuals, the terminally ill and elderly, and neonates...
January 18, 2018: Beneficial Microbes
https://www.readbyqxmd.com/read/29345153/selective-serotonin-reuptake-inhibitor-use-in-pregnant-women-pharmacogenetics-drug-drug-interactions-and-adverse-effects
#16
Asher Ornoy, Gideon Koren
Possible negative effects of selective serotonin reuptake inhibitors (SSRIs) in pregnancy relate to congenital anomalies, negative perinatal events and neurodevelopmental outcome. Many studies are confounded by the underlying maternal disease and by pharmacogenetic and pharmacokinetic differences of these drugs. Areas covered: The possible interactions of SSRIs and serotonin and norepinephrine reuptake inhibitors with other drugs and the known effects of SSRIs on congenital anomalies, perinatal and neurodevelopmental outcome...
January 18, 2018: Expert Opinion on Drug Metabolism & Toxicology
https://www.readbyqxmd.com/read/29345098/influence-of-maternal-obesity-on-fetal-growth-at-different-periods-of-pregnancies-with-normal-glucose-tolerance
#17
Kei Tanaka, Miho Matsushima, Tomoko Izawa, Seishi Furukawa, Yoichi Kobayashi, Mitsutoshi Iwashita
AIM: We aimed to examine the influence of maternal obesity on fetal growth in utero at different periods of pregnancies with normal glucose tolerance. METHODS: A retrospective cohort study on 356 pregnant women with normal glucose tolerance was conducted. The women were categorized by pre-pregnancy body mass index (BMI) as obese (OB; BMI ≥ 25.0 kg/m2 ) or non-obese (n-OB). Z-scores of the fetal abdominal circumference (AC) and the rate of fetal macrosomia (AC ≥ 90th percentile) at 19, 30, and 36 gestational weeks (GW) were compared between the two groups...
January 18, 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29345047/effects-of-maternal-heart-sounds-on-pain-and-comfort-during-aspiration-in-preterm-infants
#18
Dilek Küçük Alemdar, Fatma Güdücü Tüfekcİ
AIM: This study aimed to evaluate the effects of providing prerecorded maternal heart sounds on the level of pain and comfort that are experienced by preterm infants during aspiration. METHODS: This was a randomized controlled trial. Preterm infants (N = 62) who were receiving care or treatment at a neonatal intensive care unit were eligible for participation in this study. Infants in the intervention group (n = 32) were provided with prerecorded maternal heart sounds before, during, and after aspiration, whereas the infants in the control group (n = 30) received routine care...
January 17, 2018: Japan Journal of Nursing Science: JJNS
https://www.readbyqxmd.com/read/29345007/aetiology-of-neonatal-conjunctivitis-evaluated-in-a-population-based-setting
#19
Minna Honkila, Marjo Renko, Irma Ikäheimo, Tytti Pokka, Matti Uhari, Terhi Tapiainen
AIM: Our aim was to study prospectively the aetiology of neonatal conjunctivitis in a population-based setting. METHODS: Altogether 173 neonates with clinical conjunctivitis aged on average 20 (SD 10) days were recruited from child welfare clinics in Oulu, Finland, in 2010-2015. Conjunctival specimens were collected from 167 neonates for multiplex polymerase chain reaction to detect 16 respiratory viruses, from 163 for polymerase chain reaction to detect Chlamydia trachomatis and Neisseria gonorrhoeae and from 160 for bacterial culture studies...
January 18, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29344940/obstetric-and-neonatal-outcomes-for-women-intending-to-use-immersion-in-water-for-labour-and-birth-in-western-australia-2015-2016-a-retrospective-audit-of-clinical-outcomes
#20
Lucy Lewis, Yvonne L Hauck, Janice Butt, Janet Hornbuckle
BACKGROUND: Research supports water immersion for labour if women are healthy, with no obstetric or medical risk factors. AIMS: To evaluate the obstetric and neonatal outcomes of women intending to use immersion in water for labour or birth. METHODS: Retrospective audit of clinical outcomes for women intending to labour or birth in water conducted between July 2015 and June 2016, at a tertiary maternity hospital in Western Australia. Obstetric and neonatal data were collected from medical records...
January 17, 2018: Australian & New Zealand Journal of Obstetrics & Gynaecology
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