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https://www.readbyqxmd.com/read/28448664/assessment-of-lower-doses-of-intravitreous-bevacizumab-for-retinopathy-of-prematurity-a-phase-1-dosing-study
#1
David K Wallace, Raymond T Kraker, Sharon F Freedman, Eric R Crouch, Amy K Hutchinson, Amit R Bhatt, David L Rogers, Michael B Yang, Kathryn M Haider, Deborah K VanderVeen, R Michael Siatkowski, Trevano W Dean, Roy W Beck, Michael X Repka, Lois E Smith, William V Good, Mary Elizabeth Hartnett, Lingkun Kong, Jonathan M Holmes
Importance: Intravitreous bevacizumab (0.25 to 0.625 mg) is increasingly used to treat type 1 retinopathy of prematurity (ROP), but there remain concerns about systemic toxicity. A much lower dose may be effective while reducing systemic risk. Objective: To find a dose of intravitreous bevacizumab that was lower than previously used for severe ROP, was effective in this study, and could be tested in future larger studies. Design, Setting, and Participants: Between May 2015 and September 2016, 61 premature infants with type 1 ROP in 1 or both eyes were enrolled in a masked, multicenter, phase 1 dose de-escalation study...
April 27, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28446592/bim-gene-dosage-is-critical-in-modulating-nephron-progenitor-survival-in-the-absence-of-micrornas-during-kidney-development
#2
Débora M Cerqueira, Andrew J Bodnar, Yu Leng Phua, Rachel Freer, Shelby L Hemker, Loren D Walensky, Neil A Hukriede, Jacqueline Ho
Low nephron endowment at birth has been associated with an increased risk for developing hypertension and chronic kidney disease. We demonstrated in an earlier study that conditional deletion of the miRNA-processing enzyme Dicer from nephron progenitors results in premature depletion of the progenitors and increased expression of the proapoptotic protein Bim (also known as Bcl-2L11). In this study, we generated a compound mouse model with conditional deletion of both Dicer and Bim, to determine the biologic significance of increased Bim expression in Dicer-deficient nephron progenitors...
April 26, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28446183/effect-of-different-artificial-shrinkage-methods-when-applied-before-blastocyst-vitrification-on-perinatal-outcomes
#3
Caizhu Wang, Guixue Feng, Bo Zhang, Hong Zhou, Jinhui Shu, Ruoyun Lin, Huanhua Chen, Zhulian Wu
BACKGROUND: In recent years, single blastocyst transfer combined with vitrification has been applied widely, which can maximize the cumulative pregnancy rate in per oocyte retrieval cycles and minimize the multiple pregnancy rate. Thus, the guarantee for these is the effectiveness of vitrified blastocyst. Studies has shown that AS of the blastocoel cavity prior to vitrification can reduce injuries, increase the thawed blastocyst survival rate and implantation rate. Several AS methods have been established...
April 26, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28445873/pregnancy-outcomes-in-patients-with-glomerular-disease-attending-a-single-academic-center-in-north-carolina
#4
Michelle M O'Shaughnessy, Meghan A Jobson, Katy Sims, Abigail L Liberty, Patrick H Nachman, William F Pendergraft
BACKGROUND: Contemporary data regarding pregnancy outcomes in US patients with primary glomerular diseases are lacking. We aimed to report fetal and maternal outcomes among women with biopsy-proven primary glomerular disease who received obstetric care at a single large academic US center. METHODS: All women with a biopsy-confirmed primary glomerular disease diagnosis and without end-stage kidney disease who received obstetric care at the University of North Carolina (UNC) Hospitals (1996-2015) were identified using the Glomerular Disease Collaborative Network registry and the UNC Hospitals Perinatal Database...
April 27, 2017: American Journal of Nephrology
https://www.readbyqxmd.com/read/28444063/effect-of-lactation-on-myocardial-vulnerability-to-ischemic-insult-in-rats
#5
Sahar Askari, Alireza Imani, Hamidreza Sadeghipour, Mahdieh Faghihi, Zohreh Edalatyzadeh, Samira Choopani, Nasser Karimi, Sulail Fatima
Background: Cardiovascular diseases are the leading cause of mortality and long-term disability worldwide. Various studies have suggested a protective effect of lactation in reducing the risk of cardiovascular diseases. Objective: This study was designed to assess the effects of pregnancy and lactation on the vulnerability of the myocardium to an ischemic insult. Methods: Eighteen female rats were randomly divided into three groups: ischemia-reperfusion (IR), in which the hearts of virgin rats underwent IR (n = 6); lactating, in which the rats nursed their pups for 3 weeks and the maternal hearts were then submitted to IR (n = 6); and non-lactating, in which the pups were separated after birth and the maternal hearts were submitted to IR (n = 6)...
April 20, 2017: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/28443017/premature-brain-aging-in-baboons-resulting-from-moderate-fetal-undernutrition
#6
Katja Franke, Geoffrey D Clarke, Robert Dahnke, Christian Gaser, Anderson H Kuo, Cun Li, Matthias Schwab, Peter W Nathanielsz
Contrary to the known benefits from a moderate dietary reduction during adulthood on life span and health, maternal nutrient reduction during pregnancy is supposed to affect the developing brain, probably resulting in impaired brain structure and function throughout life. Decreased fetal nutrition delivery is widespread in both developing and developed countries, caused by poverty and natural disasters, but also due to maternal dieting, teenage pregnancy, pregnancy in women over 35 years of age, placental insufficiency, or multiples...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28441836/-clinical-value-of-prenatal-mri-in-the-diagnosis-of-fetal-simple-expansion-of-lateral-ventricle-and-follow-up-after-birth
#7
Z Li, P Y He, Z Q Luo, L M Pan, Y N Chen, G S Shen, Z H Fei, M Y Li, X M Fang, L H Qi, M S Liu
Objective: To explore the value of prenatal MRI in the diagnosis of fetal simple expansion of lateral ventricle (ventriculomegaly) , and follow up the nervous system development status after birth. Methods: Simple expansion of the lateral ventricle fetus by prenatal MRI examination were collected in Huzhou Maternal and Child Care Hospital from May 2013 to June 2015, 126 cases of live births in expansion group, 50 normal cases were recruited in the same period as the control group. In expansion group, fetal subgroup analysis was done: (1) unilateral or bilateral lateral ventricle expasion: one group was 98 cases was lateral ventricle expansion (77...
April 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28441512/a-historical-perspective-on-the-transport-of-premature-infants
#8
Shannon E Perry
A premature newborn was first transported via helicopter from place of birth to a specialty nursery 50 years ago. Since that time, the care of high-risk and premature newborns has evolved, but specialized services are not always available at the birth site. As a result, the demand for newborn transfer continues to grow. Today, neonates are transported to tertiary centers via ground ambulances, helicopters, and airplanes by highly trained personnel using sophisticated incubators and equipment.
April 22, 2017: Journal of Obstetric, Gynecologic, and Neonatal Nursing: JOGNN
https://www.readbyqxmd.com/read/28440334/trends-in-perinatal-mortality-and-its-risk-factors-in-japan-analysis-of-vital-registration-data-1979-2010
#9
Maaya Kita Sugai, Stuart Gilmour, Erika Ota, Kenji Shibuya
As Japan has achieved one of the lowest perinatal mortality rates (PMR), our study aims to estimate trends in and risk factors for perinatal mortality among singleton births in Japan. We used Japanese vital registration data to assess trends in and risk factors for perinatal outcomes between 1979 and 2010. Birth and death registration data were merged. An autoregressive integrated moving average model was fitted separately by sex to the PMR and the proportion of stillbirths. A multilevel Poisson regression model was used to estimate risk factors for perinatal mortality...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440092/comparison-of-maternal-omentin-1-levels-and-genetic-variability-between-spontaneous-term-and-preterm-births
#10
Zbyněk Šplíchal, Filip Zlámal, Jan Máchal, Jolana Lipková, Tereza Pavlová, Zuzana Hodická, Pavel Ventruba, Anna Vašků, Julie Bienertová-Vašků
OBJECTIVE: To determine maternal omentin-1 levels and genetic variability in the omentin-1 gene in women with spontaneous term and preterm births. MATERIAL AND METHODS: Maternal serum omentin-1 levels and the role of the omentin-1 Val109Asp (rs2274907) polymorphism were evaluated in 32 women with spontaneous term birth (sTB) and 30 women with spontaneous preterm birth (sPTB) including women with (n = 16) and without (n = 14) preterm premature rupture of membranes (PPROM)...
April 25, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28439384/characteristics-of-neonatal-pneumothorax-in-saudi-arabia-three-years-experience
#11
Abdulrahman Al Matary, Humariya H Munshi, Sameh Abozaid, Mostafa Qaraqei, Tariq A Wani, Amani K Abu-Shaheen
OBJECTIVES: To identify the incidence, clinical characteristics, predisposing factors, morbidity, and mortality among hospitalized neonates with pneumothorax. METHODS: The records of 2 204 infants admitted to the neonatal intensive care unit at King Fahad Medical City, Saudi Arabia, between 2011 and 2014 were reviewed. All newborns hospitalized in the neonatal intensive care unit with pneumothorax were included in the study. Participants were evaluated for baseline characteristics, predisposing factors of neonatal pneumothorax (NP), accompanying disorders, and mortality...
March 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28439195/the-role-of-serial-measurements-of-serum-insulin-like-growth-factor-1-levels-in-the-development-of-retinopathy-of-prematurity
#12
Bayram Ali Dorum, Cansu Canbolat Yılmaz, Nilgün Köksal, Hilal Özkan, Meral Yıldız, Ahmet Tuncer Özmen
AIM: To determine the role of serum insulin-like growth factor-1 levels in the development of retinopathy of prematurity, which is a major cause of childhood blindness worldwide. MATERIAL AND METHODS: We prospectively studied newborn infants born at a postmenstrual age of <32 weeks and birth weights <1 500 gr, between January 1(st), 2015, and December 31(st), 2015. A total of 40 infants were enrolled in the study. The retinal examination time was determined in accordance with the American Academy of Pediatrics recommendations for retinopathy of prematurity screening and follow-up...
March 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28437520/academic-performance-motor-function-and-behavior-11-years-after-neonatal-caffeine-citrate-therapy-for-apnea-of-prematurity-an-11-year-follow-up-of-the-cap-randomized-clinical-trial
#13
Barbara Schmidt, Robin S Roberts, Peter J Anderson, Elizabeth V Asztalos, Lorrie Costantini, Peter G Davis, Deborah Dewey, Judy D'Ilario, Lex W Doyle, Ruth E Grunau, Diane Moddemann, Harvey Nelson, Arne Ohlsson, Alfonso Solimano, Win Tin
Importance: Caffeine citrate therapy for apnea of prematurity reduces the rates of bronchopulmonary dysplasia, severe retinopathy, and neurodevelopmental disability at 18 months and may improve motor function at 5 years. Objective: To evaluate whether neonatal caffeine therapy is associated with improved functional outcomes 11 years later. Design, Setting, and Participants: A follow-up study was conducted at 14 academic hospitals in Canada, Australia, and the United Kingdom from May 7, 2011, to May 27, 2016, of English- or French-speaking children who had been enrolled in the randomized, placebo-controlled Caffeine for Apnea of Prematurity trial between October 11, 1999, and October 22, 2004...
April 24, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28437474/improvement-of-a-tissue-maceration-technique-for-the-determination-of-placental-involvement-in-schistosomiasis
#14
Martha Charlotte Holtfreter, Heinrich Neubauer, Tanja Groten, Hosny El-Adawy, Jana Pastuschek, Joachim Richter, Dieter Häussinger, Mathias Wilhelm Pletz, Benjamin Thomas Schleenvoigt
Schistosomiasis in pregnancy may cause low birth weight, prematurity and stillbirth of the offspring. The placenta of pregnant women might be involved when schistosome ova are trapped in placental tissue. Standard histopathological methods only allow the examination of a limited amount of placental tissue and are therefore not sufficiently sensitive. Thus, placental schistosomiasis remains underdiagnosed and its role in contributing to schistosomiasis-associated pregnancy outcomes remains unclear. Here we investigated an advanced maceration method in order to recover a maximum number of schistosome ova from the placenta...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28437274/axial-length-and-anterior-segment-alterations-in-former-preterm-infants-and-full-term-neonates-analyzed-with-scheimpflug-imaging
#15
Achim Fieß, Ruth Kölb-Keerl, Markus Knuf, Bernd Kirchhof, Christiane Blecha, Isabel Oberacher-Velten, Philipp S Muether, Jacqueline Bauer
PURPOSE: To compare the axial length and anterior segment alterations in preterm infants with and without retinopathy of prematurity with those of full-term infants. METHODS: The Wiesbaden Prematurity Study investigated 503 participants of former gestational age ≤32 weeks and gestational age ≥37 weeks now being aged 4 to 10 years. This study included 485 participants in the prospective controlled cross-sectional, hospital-based study with successful Pentacam Scheimpflug imaging...
April 21, 2017: Cornea
https://www.readbyqxmd.com/read/28436200/randomised-controlled-trial-shows-that-co-bedding-twins-may-reduce-birth-weight-recovery-delay-parenteral-nutrition-weaning-time-and-hospitalisation
#16
Arnaud Legrand, Anne Frondas, Fabien Aubret, Anne Corre, Cyril Flamant, Laure Simon, Clothilde Desrobert, Jean-Christophe Rozé
AIM: Cobedding describes a technique where premature twins are kept within the same incubator, inside a common cocoon, to prolong the alleged in utero behavioral bond and reduce post-natal stress. However there is no consensus amongst neonatologists regarding any clinical or developmental benefits cobedding may provide, in particular when performed early after the birth. The NEOCOB (NEOnatology & COBedding) trial aimed to assess, for the first time, early cobedding in preterm newborn twins...
April 24, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28435991/polycythemia-capillary-rarefaction-and-focal-glomerulosclerosis-in-two-adolescents-born-extremely-low-birth-weight-and-premature
#17
Nariaki Asada, Takanori Tsukahara, Megumi Furuhata, Daisuke Matsuoka, Shunsuke Noda, Kuniaki Naganuma, Akinori Hashiguchi, Midori Awazu
BACKGROUND: Low birthweight infants have a reduced number of nephrons and are at high risk of chronic kidney disease. Preterm birth and/or intrauterine growth restriction (IUGR) may also affect peritubular capillary development, as has been shown in other organs. CASE-DIAGNOSIS/TREATMENT: We report two patients with a history of preterm birth and extremely low birthweight who showed polycythemia and renal capillary rarefaction. Patient 1 and 2, born at 25 weeks of gestation with a birthweight of 728 and 466 g, showed mild proteinuria at age 8 and 6 years, respectively...
April 24, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28435650/postnatal-transitional-weight-loss-and-adverse-outcomes-in-extremely-premature-neonates
#18
Rita P Verma, Syed Shibli, Eugene Komaroff
The early postnatal weight loss (EPWL) is highly variable in the extremely low birth weight infants (birth weight <1000 g, ELBW). It is reported to be unassociated with adverse outcomes within a range of 3-21% of birth weight. Its wide range might have contributed to this lack of association. The aim of our paper is to study the effects of maximum EPWL, graded as low, medium and large on clinical outcomes in ELBW infants. In a retrospective cohort observational study EPWL was measured as maximum weight loss from birth weight (MWL) in ELBW infants and grouped as low (5-12%) moderate (18...
March 22, 2017: Pediatric Reports
https://www.readbyqxmd.com/read/28435017/association-of-paraoxonase-1-and-oxidative-stress-with-acute-kidney-injury-in-premature-asphyxiated-neonates
#19
Jasmina Ivanišević, Jelena Kotur-Stevuljević, Aleksandra Stefanović, Milica Miljković, Zorana Jelić-Ivanović, Biljana Pejović, Amira Peco-Antić
OBJECTIVES: Acute kidney injury (AKI) is defined as decrease in glomerular filtration rate with increase in serum creatinine (sCr). Perinatal asphyxia (PNA) may be an ethiological factor for AKI with oxidative stress also implicated. Paraoxonase 1 (PON1) has been reported to be decreased in renal diseases. The aim of our study was to evaluate paraoxonase 1 (PON1) and oxidative stress status, their change during the first hours and days of life and the ability of these parameters to discriminate neonates having AKI from those who do not have it...
April 20, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28433214/maturational-patterns-of-systolic-ventricular-deformation-mechanics-by-two-dimensional-speckle-tracking-echocardiography-in-preterm-infants-over-the-first-year-of-age
#20
Philip T Levy, Afif El-Khuffash, Meghna D Patel, Colm R Breatnach, Adam T James, Aura A Sanchez, Cristina Abuchabe, Sarah R Rogal, Mark R Holland, Patrick J McNamara, Amish Jain, Orla Franklin, Luc Mertens, Aaron Hamvas, Gautam K Singh
BACKGROUND: The aim of this study was to determine the maturational changes in systolic ventricular strain mechanics by two-dimensional speckle-tracking echocardiography in extremely preterm neonates from birth to 1 year of age and discern the impact of common cardiopulmonary abnormalities on the deformation measures. METHODS: In a prospective multicenter study of 239 extremely preterm infants (<29 weeks gestation at birth), left ventricular (LV) global longitudinal strain (GLS) and global longitudinal systolic strain rate (GLSRs), interventricular septal wall (IVS) GLS and GLSRs, right ventricular (RV) free wall longitudinal strain and strain rate, and segmental longitudinal strain in the RV free wall, LV free wall, and IVS were serially measured on days 1, 2, and 5 to 7, at 32 and 36 weeks postmenstrual age, and at 1 year corrected age (CA)...
April 19, 2017: Journal of the American Society of Echocardiography
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