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Extreme prematurity

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https://www.readbyqxmd.com/read/27913122/-postnatal-growth-at-hospital-discharge-in-extremely-premature-newborns-in-spain
#1
Fermín García-Muñoz Rodrigo, Josep Figueras Aloy, Pedro Saavedra Santana, Alfredo García-Alix
INTRODUCTION: Postnatal growth restriction is considered a universal problem in extremely premature infants (EPI), and causes great concern due to the possible relationship between nutrition, sub-optimal postnatal growth, and neurodevelopment delay. OBJECTIVES: To describe the weight gain in EPI and to determine the changes in the length and head circumference (HC) at hospital discharge in survivors. PATIENTS AND METHODS: The study included 4,520 Caucasian EPI from single pregnancies and without severe malformations, born in the centres participating in the Spanish SEN1500 network (2002-2011)...
November 29, 2016: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/27906083/neonatal-diffusion-tensor-brain-imaging-predicts-later-motor-outcome-in-preterm-neonates-with-white-matter-abnormalities
#2
Do-Yeon Kim, Hyun-Kyung Park, Nam-Su Kim, Se-Jin Hwang, Hyun Ju Lee
BACKGROUND: White matter (WM) abnormalities associated with prematurity are one of the most important causes of neurological disability that involves spastic motor deficits in preterm newborns. This study aimed to evaluate regional microstructural changes in diffusion tensor imaging (DTI) associated with WM abnormalities. METHODS: We prospectively studied extremely low birth weight (ELBW; <1000 g) preterm infants who were admitted to the Neonatal Intensive Care Unit of Hanyang University Hospital between February 2011 and February 2014...
December 1, 2016: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/27904169/lean-umbilical-cord-a-case-report
#3
N Rippinger, M Elsässer, P Sinn, C Sohn, H Fluhr
The "lean" umbilical cord (also known as thin-cord syndrome) is a comparatively rare anomaly of the umbilical cord, which has seldom been described in the medical literature. We report on a 35-year-old women who presented to us at 29 + 4 weeks gestation with vaginal bleeding and cervical incompetence subsequently complicated not only by premature rupture of membranes but also acute placental insufficiency requiring emergency caesarean section under general anaesthesia at 31 + 2 weeks gestation. At surgery no obvious cause for the acute placental insufficiency - such as placental abruption, cord prolapse or true knot of the umbilical cord - was found...
November 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27900886/premature-and-multiple-births-in-ivf-are-associated-with-pretreatment-circulating-lh-hcg-receptor-concentration
#4
Anne Chambers, Craig Fairbairn, Marco Gaudoin, Walter Mills, Subhasis Banerjee
The luteinizing hormone (LH) and pregnancy hormone, human chorionic gonadotrophin (hCG), share a common receptor: LH/hCG-R or LHCGR. In this prospective study involving 290 patients undergoing in vitro fertilization (IVF) and embryo transfer, we have examined whether pretreatment circulating LHCGR (sLHCGR) influences the course of pregnancy and perinatal outcome after embryo transfer. The blood samples were collected before the fertility treatment began and sLHCGR concentrations were measured using an enzyme-linked immunosorbent assay (ELISA) test...
November 30, 2016: Human Fertility: Journal of the British Fertility Society
https://www.readbyqxmd.com/read/27894423/incarcerated-pediatric-hernias
#5
REVIEW
Sophia A Abdulhai, Ian C Glenn, Todd A Ponsky
Indirect inguinal hernias are the most commonly incarcerated hernias in children, with a higher incidence in low birth weight and premature infants. Contralateral groin exploration to evaluate for a patent processus vaginalis or subclinical hernia is controversial, given that most never progress to clinical hernias. Most indirect inguinal hernias can be reduced nonoperatively. It is recommended to repair them in a timely fashion, even in premature infants. Laparoscopic repair of incarcerated inguinal hernia repair is considered a safe and effective alternative to conventional open herniorrhaphy...
February 2017: Surgical Clinics of North America
https://www.readbyqxmd.com/read/27890752/delayed-development-of-aneurysms-following-gamma-knife-surgery-for-trigeminal-neuralgia-report-of-2-cases
#6
Hiroki Uchikawa, Toru Nishi, Yasuyuki Kaku, Tomoaki Goto, Jun-Ichi Kuratsu, Shigetoshi Yano
BACKGROUND: Delayed development of intracranial aneurysms is an extremely rare complication of gamma knife surgery (GKS), and so far only 6 cases have been reported. Furthermore, there are no reported cases after GKS for trigeminal neuralgia (TN). Of the above cases, none referred to the natural history or pathophysiology of GKS-related intracranial aneurysm formation. CASE DESCRIPTION: We treated 2 patients who suffered subarachnoid hemorrhage (SAH) due to ruptures of intracranial aneurysms that developed long after GKS...
November 24, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27890732/programmed-near-infrared-light-responsive-drug-delivery-system-for-combined-magnetic-tumor-targeting-magnetic-resonance-imaging-and-chemo-phototherapy
#7
Qianhua Feng, Yuanyuan Zhang, Wanxia Zhang, Yongwei Hao, Yongchao Wang, Hongling Zhang, Lin Hou, Zhenzhong Zhang
: In this study, an intelligent drug delivery system was developed by capping doxorubicin (DOX)-loaded hollow mesoporous CuS nanoparticles (HMCuS NPs) with superparamagnetic iron oxide nanoparticles (IONPs). Under near infrared (NIR) light irradiation, the versatile HMCuS NPs could exploit the merits of both photothermal therapy (PTT) and photodynamic therapy (PDT) simultaneously. Herein, the multifunctional IONPs as gatekeeper with the enhanced capping efficiency were supposed to realize "zero premature release" and minimize the adverse side effects during the drug delivery in vivo...
November 24, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27888552/initial-clinical-experience-with-the-medtronic-micro-vascular-plug%C3%A2-in-transcatheter-occlusion-of-pdas-in-extremely-premature-infants
#8
Shyam Sathanandam, Henri Justino, B Rush Waller, Wolfgang Radtke, Athar M Qureshi
OBJECTIVES: To describe the early multicenter, clinical experience with the Medtronic Micro Vascular Plug™ (MVP) for the occlusion of patent ductus arteriosus (PDA) in premature infants. BACKGROUND: The MVP is a large diameter plug that can be delivered through a microcatheter for occlusion of abnormal blood vessels. METHODS: A Retrospective review of PDA embolization procedures performed in two centers using the MVP was performed. RESULTS: Fifteen premature infants underwent attempted PDA occlusion using the MVP...
November 26, 2016: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/27886371/why-babies-die-in-unplanned-out-of-institution-births-an-enquiry-into-perinatal-deaths-in-norway-1999-2013
#9
Björn Gunnarsson, Sigurd Fasting, Eirik Skogvoll, Alexander Kr Smárason, Kjell Å Salvesen
INTRODUCTION: The aims were to describe causes of death associated with unplanned out-of-institution births, and to study if they could be prevented. MATERIAL AND METHODS: Retrospective population-based observational study based on data from the Medical Birth Registry of Norway and medical records. Between 1 January 1999 and 31 December 2013, 69 perinatal deaths among 6027 unplanned out-of-institution births, whether unplanned at home, during transportation, or unspecified, were selected for enquiry...
November 25, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/27884029/-preclinical-birth-of-an-extremely-premature-infant-a-case-report
#10
Tobias Pöhlmann, Armin Schmidt, Wolfgang Pohl
Obstetrical emergencies requiring emergency medical service are very rare. An extremely premature birth in a preclinical setting is certainly exceptional. In the following case report, the emergency medical team was unexpectedly faced with the home birth of a fetus at the 23(rd) week of gestation. Prematurity at the edge of viability poses a challenge to first care, equipment, infrastructure, expertise and clinical ethics. To the authors' knowledge, there is no comparable case report published so far.
November 2016: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/27880025/attitudes-to-decisions-about-extremely-premature-infants-differed-between-swiss-linguistic-regions-in-population-based-study
#11
Manya J Hendriks, Sabine D Klein, Hans Ulrich Bucher, Ruth Baumann-Hölzle, Jürg C Streuli, Jean-Claude Fauchère
AIM: Studies have provided insights into the different attitudes and values of healthcare professionals and parents toward extreme prematurity. This study explored societal attitudes and values in Switzerland with regard to this patient group. METHODS: A nationwide trilingual telephone survey was conducted in the French, German and Italian speaking regions of Switzerland to explore the general population's attitudes and values with regard to extreme prematurity...
November 23, 2016: Acta Paediatrica
https://www.readbyqxmd.com/read/27875823/biomarkers-and-clinical-indices-of-aging-with-hiv
#12
Kathleen V Fitch, Meghan Noonan Feldpausch, Sara E Dolan Looby
HIV infection may potentiate specific biomarkers that influence the development of premature clinical indices commonly associated with aging. Therefore, predicting mortality outcomes in people living with HIV is extremely important as this population ages. This chapter describes biomarkers associated with inflammation, coagulation, and immune activation in HIV, and reviews the association between specific biomarkers and the development of co-morbid conditions in individuals with HIV. Measures that incorporate specific biomarkers related to HIV infection, designed to predict mortality outcomes in individuals with HIV, are also discussed...
2017: Interdisciplinary Topics in Gerontology and Geriatrics
https://www.readbyqxmd.com/read/27875363/pmtct-option-b-does-not-increase-preterm-birth-risk-and-may-prevent-extreme-prematurity-a-retrospective-cohort-study-in-malawi
#13
Maganizo B Chagomerana, William C Miller, Brian W Pence, Mina C Hosseinipour, Irving F Hoffman, Robert J Flick, Hannock Tweya, Soyapi Mumba, Frank Chibwandira, Kimberly A Powers
OBJECTIVE: To estimate preterm birth risk among infants of HIV-infected women in Lilongwe, Malawi according to maternal antiretroviral therapy (ART) status and initiation time under Option B+. DESIGN: Retrospective cohort study of HIV-infected women delivering at ≥27 weeks of gestation, April 2012-November 2015. Among women on ART at delivery, we restricted our analysis to those who initiated ART before 27 weeks of gestation. METHODS: We defined preterm birth as a singleton live birth at ≥27 and <37 weeks of gestation, with births at <32 weeks classified as extremely to very preterm...
November 21, 2016: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/27871306/akirin2-is-essential-for-the-formation-of-the-cerebral-cortex
#14
Peter J Bosch, Leah C Fuller, Carolyn M Sleeth, Joshua A Weiner
BACKGROUND: The proper spatial and temporal regulation of dorsal telencephalic progenitor behavior is a prerequisite for the formation of the highly-organized, six-layered cerebral cortex. Premature differentiation of cells, disruption of cell cycle timing, excessive apoptosis, and/or incorrect neuronal migration signals can have devastating effects, resulting in a number of neurodevelopmental disorders involving microcephaly and/or lissencephaly. Though genes encoding many key players in cortical development have been identified, our understanding remains incomplete...
November 21, 2016: Neural Development
https://www.readbyqxmd.com/read/27870826/development-and-verification-of-a-pharmacokinetic-model-to-optimize-physiologic-replacement-of-rhigf-1-rhigfbp-3-in-preterm-infants
#15
Jou-Ku Chung, Boubou Hallberg, Ingrid Hansen-Pupp, Martin A Graham, Gerald Fetterly, Jyoti Sharma, Adina Tocoian, Nerissa C Kreher, Norman Barton, Ann Hellström, David Ley
BACKGROUND: rhIGF-1/rhIGFBP-3 is being investigated for prevention of retinopathy of prematurity in extremely preterm infants. METHODS: A population pharmacokinetic model was developed using data from phase I/II (Sections A-C) trials of rhIGF-1/rhIGFBP-3 and additional studies in preterm infants to predict optimal dosing to establish/maintain serum IGF-1 within physiological intrauterine levels. In Section D of the phase II study, infants (GA [wk+d] 23+0 to 27+6) were randomized to rhIGF-1/rhIGFBP-3, administered at the model-predicted dose of 250 µg/kg/d continuous i...
November 21, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27865437/early-neurodevelopmental-outcomes-of-extremely-preterm-infants
#16
REVIEW
Elizabeth E Rogers, Susan R Hintz
Infants born at extreme preterm gestation are at risk for both death and disability. Although rates of survival have improved for this population, and some evidence suggests a trend toward decreased neuromotor impairment over the past decades, a significant improvement in overall early neurodevelopmental outcome has not yet been realized. This review will examine the rates and types of neurodevelopmental impairment seen after extremely preterm birth, including neurosensory, motor, cognitive, and behavioral outcomes...
November 16, 2016: Seminars in Perinatology
https://www.readbyqxmd.com/read/27856479/cohort-study-of-growth-patterns-by-gestational-age-in-preterm-infants-developing-morbidity
#17
S Klevebro, P Lundgren, U Hammar, L E Smith, M Bottai, M Domellöf, C Löfqvist, B Hallberg, A Hellström
OBJECTIVES: To examine differences in growth patterns in preterm infants developing major morbidities including retinopathy of prematurity (ROP), bronchopulmonary dysplasia (BPD), necrotising enterocolitis (NEC) and intraventricular haemorrhage (IVH). STUDY DESIGN: Cohort study of 2521 infants born at a gestational age (GA) of 23-30 weeks from 11 level III neonatal intensive care units in USA and Canada, and 3 Swedish population-based cohorts. OUTCOMES: Birth weight and postnatal weight gain were examined relative to birth GA and ROP, BPD, NEC and IVH development...
November 17, 2016: BMJ Open
https://www.readbyqxmd.com/read/27849673/intraventricular-hemorrhage-and-platelet-indices-in-extremely-premature-neonates
#18
Georgios Mitsiakos, Aimilia-E Papathanasiou, Ioannis Kyriakidis, Paraskevi Karagianni, Konstantinos Tsepis, Irene Tzimou, Eleni Lazaridou, Ilias Chatziioannidis
Intraventricular hemorrhage (IVH) is a multifactorial disorder, the most important risk factors of which are prematurity and low birth weight. Disturbances in cerebral blood flow, inherent fragility of the germinal matrix vasculature, and platelet/coagulation disturbances are the 3 major pathogenic mechanisms. In this context, we investigated the role of platelet indices and several maternal and neonatal characteristics in the development of IVH through a retrospective cohort analysis of 130 extremely premature neonates, 24% of whom presented with severe IVH...
October 2016: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/27848989/population-exposure-to-hazardous-air-quality-due-to-the-2015-fires-in-equatorial-asia
#19
P Crippa, S Castruccio, S Archer-Nicholls, G B Lebron, M Kuwata, A Thota, S Sumin, E Butt, C Wiedinmyer, D V Spracklen
Vegetation and peatland fires cause poor air quality and thousands of premature deaths across densely populated regions in Equatorial Asia. Strong El-Niño and positive Indian Ocean Dipole conditions are associated with an increase in the frequency and intensity of wildfires in Indonesia and Borneo, enhancing population exposure to hazardous concentrations of smoke and air pollutants. Here we investigate the impact on air quality and population exposure of wildfires in Equatorial Asia during Fall 2015, which were the largest over the past two decades...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27844483/golden-60%C3%A2-minutes-of-newborn-s-life-part-1-preterm-neonate
#20
Deepak Sharma
"Golden 60 minutes "or "Golden Hour" is defined as the first hour of the newborn after birth. This hour includes resuscitation care, transport to nursery from place of birth and course in nursery. The concept of "Golden hour" includes evidence based interventions that are done in the first 60 min of postnatal life for the better long term outcome of the preterm newborn especially extreme premature, extreme low birth weight and very low birth weight. The evidence shows that the concept of "Golden 60 minutes" leads to reduction in neonatal complications like hypothermia, hypoglycemia, intraventricular hemorrhage, chronic lung disease and retinopathy of prematurity...
December 1, 2016: Journal of Maternal-fetal & Neonatal Medicine
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