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Neonatology

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https://www.readbyqxmd.com/read/28926834/heme-oxygenase-activity-and-heme-binding-in-a-neonatal-mouse-model
#1
Stephanie Kourula, Joyce Ang, Hui Zhao, Flora Kalish, Peter Vandenabeele, Karl G Sylvester, Ronald J Wong, David K Stevenson
BACKGROUND: Severe hemolytic disease of the newborn leads to the release of pro-oxidative free heme (FH). Heme oxygenase (HO) is primarily responsible for detoxifying FH. OBJECTIVE: To investigate the protective effects of HO in a model of heme overload. METHODS: For in vitro studies, NIH3T3 HO-1-luc cells were incubated with 10, 30, or 60 µM FH or methemalbumin (MHA). HO-1 promoter activity was assessed 3, 6, and 24 h after treatment. Cell survival was indexed by viability assays...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28926832/persistent-pulmonary-hypertension-of-the-newborn-in-twin-twin-transfusion-syndrome-a-case-control-study
#2
Manon Gijtenbeek, M C Haak, Derk Jan Ten Harkel, Arjan B Te Pas, Johanna M Middeldorp, Frans J C M Klumper, Nan van Geloven, Dick Oepkes, Enrico Lopriore
BACKGROUND: Persistent pulmonary hypertension of the newborn (PPHN) is associated with severe morbidity and mortality. Twin-twin transfusion syndrome (TTTS) is suggested to increase the risk of PPHN. OBJECTIVES: To describe the incidence of PPHN in TTTS twins and to identify risk factors in TTTS twins for the development of severe PPHN. METHODS: Cases with severe PPHN were extracted from our monochorionic twin database (2002-2016). Severe PPHN was defined as severe hypoxaemia requiring mechanical ventilation and inhaled nitric oxide (iNO) treatment, confirmed by strict echocardiographic criteria...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28926830/a-distinctive-ictal-amplitude-integrated-electroencephalography-pattern-in-newborns-with-neonatal-epilepsy-associated-with-kcnq2-mutations
#3
Ana Vilan, José Mendes Ribeiro, Pasquale Striano, Sarah Weckhuysen, Lauren C Weeke, Eva Brilstra, Linda S de Vries, Maria Roberta Cilio
BACKGROUND: Recurrent and prolonged seizures are harmful for the developing brain, emphasizing the importance of early seizure recognition and effective therapy. Amplitude-integrated electroencephalography (aEEG) has become a valuable tool to diagnose epileptic seizures, and, in parallel, genetic etiologies are increasingly being recognized, changing the paradigm of the workup and management of neonatal seizures. OBJECTIVE: To report the ictal aEEG pattern in neonates with KCNQ2-related epilepsy...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28926828/are-all-amplitude-integrated-electroencephalogram-systems-equal
#4
Tobias Werther, Monika Olischar, Gunnar Naulaers, Philipp Deindl, Katrin Klebermass-Schrehof, Nathan Stevenson
BACKGROUND: Filter and peak detection algorithms implemented in amplitude-integrated electroencephalogram (aEEG) systems are not standardized. New aEEG systems are continuously enriching the market and clinicians are faced with different aEEG devices whose tracings may vary. OBJECTIVES: The aim of this work was to determine the role of different aEEG systems on quantitative measurements of the aEEG. METHODS: In this observational study, a single-channel aEEG recording (Olympic CFM 6000) with corresponding EEG signal was obtained from 32 infants at a gestational age of 36-44 weeks...
September 20, 2017: Neonatology
https://www.readbyqxmd.com/read/28922658/impact-of-minimally-invasive-surfactant-therapy-in-preterm-infants-at-29-32-weeks-gestation
#5
Peter A Dargaville, Sanoj K M Ali, Hamish D Jackson, Christopher Williams, Antonio G De Paoli
BACKGROUND: Most preterm infants born at 29-32 weeks gestation now avoid intubation in early life, and thus lack the usual conduit through which exogenous surfactant is given if needed. OBJECTIVE: The aim of this work was to examine whether a technique of minimally invasive surfactant therapy used selectively at 29-32 weeks gestation would improve outcomes. METHODS: We studied the impact of selective administration of surfactant (poractant alfa 100-200 mg/kg) by thin catheter in infants with respiratory distress syndrome on continuous positive airway pressure (CPAP)...
September 19, 2017: Neonatology
https://www.readbyqxmd.com/read/28910809/ingeborg-syllm-rapoport-1912-2017-an-exemplary-life-for-children-and-paediatrics
#6
Hannes Sallmon, Roland R Wauer, Charles Christoph Roehr
Ingeborg Syllm-Rapoport, the first Chair in neonatology in Europe, passed away on March 23. Her biography illustrates how medical and scientific work has been influenced by social, ideological, and economic frames and boundaries in the 20th century. Regarded as a "Half-Jew" by the Nazi racist laws, she was denied her medical doctorate. She went to the USA, where she trained in paediatrics and met her husband, the biochemist Samuel Mitja Rapoport. During the "McCarthy Era" both were persecuted as communists...
September 15, 2017: Neonatology
https://www.readbyqxmd.com/read/28866689/reply-to-the-letter-to-the-editor-does-remifentanil-have-a-place-for-sedation-in-the-case-of-endotracheal-intubation-or-minimally-invasive-surfactant-therapy-in-neonates
#7
Ellen H M de Kort, Sinno H P Simons
No abstract text is available yet for this article.
September 2, 2017: Neonatology
https://www.readbyqxmd.com/read/28866673/does-remifentanil-have-a-place-for-sedation-in-the-case-of-endotracheal-intubation-or-minimally-invasive-surfactant-therapy-in-neonates
#8
Clément Chollat, Fabien Tourrel, Stéphane Marret
No abstract text is available yet for this article.
September 2, 2017: Neonatology
https://www.readbyqxmd.com/read/28866670/clinical-outcome-for-congenital-diaphragmatic-hernia-at-the-age-of-1-year-in-the-era-of-fetal-intervention
#9
Eva Van Ginderdeuren, Karel Allegaert, Herbert Decaluwe, Jan Deprest, Anne Debeer, Marijke Proesmans
BACKGROUND: Congenital diaphragmatic hernia (CDH) is an abnormal development of the diaphragm leading to high neonatal mortality and morbidity. Beyond the neonatal period, prospective data on overall long-term outcome in CDH survivors is scarce. In particular, for those treated with fetoscopic endoluminal tracheal occlusion (FETO), a promising new technique to increase survival chances for severe cases, the outcomes are even less documented. AIM: To prospectively document the clinical outcome of CDH at 1 year including FETO-treated infants in relation to ante- and postnatal variables...
September 2, 2017: Neonatology
https://www.readbyqxmd.com/read/28796992/abnormal-interhemispheric-synchrony-in-neonatal-hypoxic-ischemic-encephalopathy-a-retrospective-pilot-study
#10
Elise Leroy-Terquem, Anne Isabelle Vermersch, Pauline Dean, Ziad Assaf, Nathalie Boddaert, Alexandre Lapillonne, Jean-François Magny
BACKGROUND: Abnormal interhemispheric synchrony has been described in many clinical compromises in brain function, but its prognostic value in neonatal hypoxic-ischemic encephalopathy (HIE) is unknown. OBJECTIVES: The study aimed at describing the frequency of abnormal interhemispheric synchrony in infants with HIE and to explore its prognostic value. The main outcome was survival without major disabilities. METHODS: We performed a single-center retrospective cohort study and enrolled 40 neonates with HIE who underwent hypothermia...
August 11, 2017: Neonatology
https://www.readbyqxmd.com/read/28768288/reliability-and-validity-of-a-smartphone-paired-pulse-oximeter-for-screening-of-critical-congenital-heart-defects-in-newborns
#11
Maurice J Huizing, Eduardo Villamor-Martínez, Ingrid A Chavagne, Ward Y Vanagt, Marc A E Spaanderman, Eduardo Villamor
BACKGROUND: Barriers to widespread implementation of pulse oximetry screening of critical congenital heart defects (CCHD) in newborns include increasing trends of out-of-hospital births and cost of equipment. In recent years, smartphone-compatible pulse oximeters have appeared on the market, but the validity of such devices in the setting of CCHD screening has not been evaluated. OBJECTIVES: To compare the performance in CCHD screening of a smartphone-paired pulse oximeter (Masimo iSpO2-Rx™) and a hospital-grade pulse oximeter (Masimo Radical-7™)...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28768286/nicu-human-milk-dose-and-20-month-neurodevelopmental-outcome-in-very-low-birth-weight-infants
#12
Kousiki Patra, Matthew Hamilton, Tricia J Johnson, Michelle Greene, Elizabeth Dabrowski, Paula P Meier, Aloka L Patel
BACKGROUND: The association between human milk (HM) feeding in the NICU and neurodevelopmental (ND) outcome in very low birth weight (VLBW) infants is unclear. Limitations of previous studies include a lack of exact estimates of HM dose and of generalizability to minority populations. OBJECTIVE: To determine the impact on ND outcome of an exact dose of HM received in the NICU in a diverse, contemporary cohort of VLBW infants. METHODS: We included 430 VLBW infants born in the period 2008-2012 for whom the mean daily dose (DD) of HM received during the stay in the NICU (NICU HM-DD) was calculated prospectively from the daily nutritional intake from admission to discharge...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28768280/chest-compressions-during-sustained-inflations-improve-recovery-when-compared-to-a-3-1-compression-ventilation-ratio-during-cardiopulmonary-resuscitation-in-a-neonatal-porcine-model-of-asphyxia
#13
Elliott S Li, Immanuel Görens, Po-Yin Cheung, Tze-Fun Lee, Min Lu, Megan O'Reilly, Georg M Schmölzer
BACKGROUND: Recently, sustained inflations (SI) during chest compression (CC) (CC+SI) have been suggested as an alternative to the current approach during neonatal resuscitation. No previous study compared CC+SI using CC rates of 90/min to the current 3:1 compression:ventilation ratio (C:V). OBJECTIVE: To determine whether CC+SI versus a 3:1 C:V reduces the time to the return of spontaneous circulation (ROSC) and improves hemodynamic recovery in newborn piglets with asphyxia-induced bradycardia...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28768269/a-potential-role-for-the-nod1-variant-rs6958571-in-gram-positive-blood-stream-infection-in-elbw-infants
#14
Venkatesh Sampath, Neil Mulrooney, Aloka L Patel, Jonathan Cohen, Liyun Zhang, Jeffery Garland, Pascal M Lavoie, John Dagle, Pippa Simpson
BACKGROUND: The genetic basis of sepsis susceptibility in preterm infants remains understudied. Herein, we investigated the nucleotide binding-oligomerization domain (NOD)-like receptor (NLR) family of immune receptors as putative loci for preterm sepsis susceptibility. OBJECTIVE: To determine whether single nucleotide polymorphisms (SNPs) in NLR genes are associated with blood stream infections (BSI) in premature infants. METHODS: An international cohort of infants with gestational age (GA) <35 weeks were genotyped for SNPs in the ATG16L1, CARD8, NLRP3, NOD2, and NOD1 genes...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28768263/saline-enemas-versus-glycerin-suppositories-to-promote-enteral-feeding-in-premature-infants-a-pilot-randomized-controlled-trial
#15
Thowfique Ibrahim, Chiang Li Wei, Dianne Bautista, Bhavani Sriram, Li Xiangzhen Fay, Victor Samuel Rajadurai
BACKGROUND: Meconium retention is associated with feeding intolerance. Trials using glycerol and Gastrografin to expedite the evacuation of meconium have failed to generate clinically valid results for efficacy and safety. OBJECTIVE: We assessed the feasibility of aggressive meconium evacuation with saline rectal washout (RW) in very-low-birth-weight infants to reduce the time it took them to reach full enteral feeds. METHODS: We conducted an open-label, pilot, randomized controlled trial (RCT) (birth weight stratified, i...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28750370/social-birth-rites-of-passage-for-the-newborn
#16
Michael Obladen
Rites of passage mark important changes during human life and, for the neonate, its transition from intrauterine life into society. Their original intent was to purify the body from blood and meconium. But the cleansing rites had a spiritual dimension from the very start. When the rites of Mesopotamian, Egyptian, Jewish, Greek, Roman, Hindu, Nordic, Muslim, Maya, and Christian cultures are briefly compared, they reveal a remarkable similarity. What most rites had in common was the cleansing of the body, or sprinkling it with water; special clothing; the exorcism of evil spirits; blessings and prayers for good spirits; and a name-giving ceremony and a feast for family, relatives, and friends...
July 28, 2017: Neonatology
https://www.readbyqxmd.com/read/28715797/neurodevelopment-at-3-years-in-neonates-born-by-vaginal-delivery-versus-cesarean-section-at-26-weeks-of-gestation-retrospective-analysis-of-a-nationwide-registry-in-japan
#17
Takeshi Kimura, Masato Takeuchi, Takumi Imai, Shiro Tanaka, Koji Kawakami
BACKGROUND: A high proportion of extremely preterm (EPT) infants are born by cesarean section (CS). However, whether the mode of delivery is related to long-term neurodevelopment in these infants is unclear. OBJECTIVES: This study aimed to determine whether the mode of delivery is associated with mortality and long-term outcomes in EPT infants. METHODS: We analyzed data of the Neonatal Research Network in Japan (NRNJ), a population-based, nationwide registry...
July 14, 2017: Neonatology
https://www.readbyqxmd.com/read/28704836/abdominal-near-infrared-spectroscopy-detects-low-mesenteric-perfusion-early-in-preterm-infants-with-hemodynamic-significant-ductus-arteriosus
#18
Ana Ledo, Marta Aguar, Antonio Núñez-Ramiro, Pilar Saénz, Máximo Vento
BACKGROUND: The therapeutic decision to close patent ductus arteriosus in preterm infants entails great uncertainty. Near-infrared spectroscopy is a noninvasive bedside technique used to monitor mixed regional oxygen saturation. We hypothesized that near-infrared spectroscopy could identify preterm infants at risk of mesenteric hypoperfusion associated with hemodynamically significant ductus arteriosus. METHODS: This is a prospective observational study including consecutively admitted preterm infants with a gestational age <32 weeks...
July 14, 2017: Neonatology
https://www.readbyqxmd.com/read/28704835/high-prevalence-of-pulmonary-hypertension-complicates-the-care-of-infants-with-omphalocele
#19
Shandee Hutson, Joanne Baerg, Douglas Deming, Shawn D St Peter, Andrew Hopper, Donna A Goff
BACKGROUND: Omphalocele is one of the most common abdominal wall defects. Many newborn infants born with omphalocele present with significant respiratory distress at birth, requiring mechanical ventilatory support, and have clinical evidence of pulmonary hypertension. Little information exists on the prevalence of and risk factors associated with pulmonary hypertension in this cohort of infants. OBJECTIVES: To describe the prevalence of and risk factors associated with pulmonary hypertension among infants with omphalocele...
July 14, 2017: Neonatology
https://www.readbyqxmd.com/read/28704832/cerebral-and-renal-oxygen-saturation-are-not-compromised-in-the-presence-of-retrograde-blood-flow-in-either-the-ascending-or-descending-aorta-in-term-or-near-term-infants-with-left-sided-obstructive-lesions
#20
Michelle E van der Laan, Mirthe J Mebius, Marcus T R Roofthooft, Arend F Bos, Rolf M F Berger, Elisabeth M W Kooi
BACKGROUND: In infants with left-sided obstructive lesions (LSOL), the presence of retrograde blood flow in either the ascending or descending aorta may lead to diminished cerebral and renal blood flow, respectively. OBJECTIVES: Our aim was to compare cerebral and renal tissue oxygen saturation (rSO2) between infants with LSOL with antegrade and retrograde blood flow in the ascending aorta and with and without diastolic backflow in the descending aorta. METHODS: Based on 2 echocardiograms, the study group was categorized according to the direction of blood flow in the ascending and descending aorta...
July 14, 2017: Neonatology
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