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https://www.readbyqxmd.com/read/28346921/bacterial-colonization-of-the-newborn-gut-immune-development-and-prevention-of-disease
#1
W Allan Walker
We now know that the fetus does not reside in a sterile intrauterine environment but is exposed to commensal bacteria from the maternal gut which cross the placenta and infiltrate the amniotic fluid. This exposure to colonizing bacteria continues at birth and during the first year of life, and it has a profound influence on lifelong health. Why is this important? Cross talk with colonizing bacteria in the developing neonatal intestine helps in the initial adaptation of the infant to extrauterine life, particularly in acquiring immune homeostasis, and provides protection against disease expression (e...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346920/microbial-composition-of-the-initial-colonization-of-newborns
#2
Samuli Rautava
Early-life interaction with indigenous intestinal microbes is a prerequisite for healthy immune and metabolic maturation. Human infants acquire their gut microbiota predominantly from the mother. A considerable inoculum of microbes is received by the neonate during vaginal delivery. Recent observations suggest that human gut colonization may be initiated prenatally by microbes in amniotic fluid, but the significance of this phenomenon remains unknown. After birth, neonatal gut colonization is guided by human milk factors, which selectively promote the growth of specific microbes, as well as by live microbes present in human milk...
2017: Nestlé Nutrition Institute Workshop Series
https://www.readbyqxmd.com/read/28346262/modeling-outcomes-modified-aortic-arch-advancement-for-neonatal-hypoplastic-arch
#3
Joseph R Nellis, Timothy K Chung, Nandita Agarwal, Jose E Torres, Sarah E Holgren, Madhavan L Raghavan, Joseph W Turek
OBJECTIVE: Numerous surgical approaches regarding aortic arch advancement for neonatal arch hypoplasia have been described. These repairs can be classified into two categories: those that incorporate a patch and those that do not. The decision between repairs remains largely experiential, rather than empirical, because of the limited number of reported outcomes. We report early outcomes from neonates undergoing modified aortic arch advancement with an anterior patch and our experience using computational fluid dynamic modeling to better understand the hemodynamic consequences associated with this repair...
March 25, 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28346109/assessing-process-of-paediatric-care-in-a-resource-limited-setting-a-cross-sectional-audit-of-district-hospitals-in-rwanda
#4
Celestin Hategeka, Jeannie Shoveller, Lisine Tuyisenge, Larry D Lynd
BACKGROUND: Routine assessment of quality of care helps identify deficiencies which need to be improved. While gaps in the emergency care of children have been documented across sub-Saharan Africa, data from Rwanda are lacking. OBJECTIVE: To assess the care of sick infants and children admitted to Rwandan district hospitals and the extent to which it follows currently recommended clinical practice guidelines in Rwanda. METHODS: Data were gathered during a retrospective cross-sectional audit of eight district hospitals across Rwanda in 2012/2013...
March 27, 2017: Paediatrics and International Child Health
https://www.readbyqxmd.com/read/28341439/restoring-pulmonary-surfactant-membranes-and-films-at-the-respiratory-surface
#5
REVIEW
Mercedes Echaide, Chiara Autilio, Raquel Arroyo, Jesus Perez-Gil
Pulmonary surfactant is a complex of lipids and proteins assembled and secreted by the alveolar epithelium into the thin layer of fluid coating the respiratory surface of lungs. There, surfactant forms interfacial films at the air-water interface, reducing dramatically surface tension and thus stabilizing the air-exposed interface to prevent alveolar collapse along respiratory mechanics. The absence or deficiency of surfactant produces severe lung pathologies. This review describes some of the most important surfactant-related pathologies, which are a cause of high morbidity and mortality in neonates and adults...
March 21, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28340580/toll-like-receptors-genes-polymorphisms-and-the-occurrence-of-hcmv-infection-among-pregnant-women
#6
Wioletta Wujcicka, Edyta Paradowska, Mirosława Studzińska, Jan Wilczyński, Dorota Nowakowska
BACKGROUND: Human cytomegalovirus (HCMV) is the most common cause of intrauterine infections worldwide. The toll-like receptors (TLRs) have been reported as important factors in immune response against HCMV. Particularly, TLR2, TLR4 and TLR9 have been shown to be involved in antiviral immunity. Evaluation of the role of single nucleotide polymorphisms (SNPs), located within TLR2, TLR4 and TLR9 genes, in the development of human cytomegalovirus (HCMV) infection in pregnant women and their fetuses and neonates, was performed...
March 24, 2017: Virology Journal
https://www.readbyqxmd.com/read/28336724/quantitative-age-specific-variability-of-plasma-proteins-in-healthy-neonates-children-and-adults
#7
Stefan Bjelosevic, Dana Pascovici, Hui Ping, Vasiliki Karlaftis, Thiri Zaw, Xiaomin Song, Mark P Molloy, Paul Monagle, Vera Ignjatovic
Human blood plasma is a complex biological fluid containing soluble proteins, sugars, hormones, electrolytes, and dissolved gasses. As plasma interacts with a wide array of bodily systems, changes in protein expression, or the presence or absence of specific proteins are regularly used in the clinic as a molecular biomarker tool. A large body of literature exists detailing proteomic changes in pathologic contexts, however little research has been conducted on the quantitation of the plasma proteome in age-specific, healthy subjects, especially in pediatrics...
March 23, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28331868/a-novel-practical-equation-for-treatment-of-emergent-hypernatremia-and-dehydration-phase-in-infants
#8
Saba Ghaffary, Azadeh Moghaddas, Mehrnoush Dianatkhah
Serum sodium (Na) concentration more than 145 mmol/L is defined as hypernatremia. Hypernatremia carries an acute morbidity and mortality, especially in neonates and infants. Rapid correction of hypernatremia leads to severe cerebral damages, and seizure is the most common neurological complication of hypernatremia. Selection and calculation of an appropriate fluid and its amount is one of the tremendous challenges. It is important to choose the correct amount of suitable fluid and adjust rehydration rate. In this study, we have suggested practical equation to determine the amount of fluid that should be administered to the neonates and infants with hypernatremia...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28331156/neonatal-high-permeability-pulmonary-edema-based-on-serial-cytokine-profiles-and-kl-6-in-serum-case-report
#9
Toshihiko Nakamura, Mari Nakamura, Naoto Takahashi
A newborn male with pulmonary edema was delivered at term by elective Caesarian section. Cytokine profiles of 17 cytokines and KL-6 in cord blood and serial serum values were investigated. The cord blood values of all 17 cytokines and KL-6 were within normal limits. Subsequently, IL-6, IL-8, IL-10, IL-13, IL-17, and IFNγ rapidly elevated during the first several hours after birth and dramatically decreased thereafter, whereas KL-6 rose to 611 U/ml on the 3(rd) day of life and then gradually decreased. These cytokines may induce pulmonary permeability, and KL-6 secreted in lining fluid could result in influx into the bloodstream...
March 22, 2017: Fukushima Journal of Medical Science
https://www.readbyqxmd.com/read/28325787/impaired-defenses-of-neonatal-mouse-alveolar-macrophage-with-cftr-deletion-are-modulated-by-glutathione-and-tgf%C3%AE-1
#10
Theresa W Gauthier, Jocelyn R Grunwell, Xiao-Du Ping, Frank L Harris, Lou Ann S Brown
Our understanding of the intrinsic effects of cystic fibrosis (CF) transmembrane conductance regulator (cftr) deletion on resident neonatal alveolar macrophage (AM) remains limited. We previously demonstrated that diminished glutathione (GSH) or excessive AM transforming growth factor beta one (TGFβ1) contributes to AM dysfunction in a variety of disease states. In this study, using a gut-corrected cftr neonatal knockout (KO) mouse model and a siRNA-manipulated macrophage-like cell line (THP-1 cell), we hypothesized (1) that cftr mutation alone increases neonatal AM oxidant stress and cellular TGFβ1 signaling via altered GSH, thereby impairing cellular function, and (2) that exogenous GSH attenuates AM alterations and dysfunction in the KO AM In neonatal KO mice, the baseline bronchoalveolar lavage fluid demonstrated a near doubling in mixed disulfides (P ≤ 0...
March 2017: Physiological Reports
https://www.readbyqxmd.com/read/28325581/prenatal-prediction-of-pulmonary-hypoplasia
#11
REVIEW
Jourdan E Triebwasser, Marjorie C Treadwell
Pulmonary hypoplasia, although rare, is associated with significant neonatal morbidity and mortality. Conditions associated with pulmonary hypoplasia include those which limit normal thoracic capacity or movement, including skeletal dysplasias and abdominal wall defects; those with mass effect, including congenital diaphragmatic hernia and pleural effusions; and those with decreased amniotic fluid, including preterm, premature rupture of membranes, and genitourinary anomalies. The ability to predict severe pulmonary hypoplasia prenatally aids in family counseling, as well as obstetric and neonatal management...
March 15, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28325525/clinical-heterogeneity-of-glycine-encephalopathy-in-three-palestinian-siblings-a-novel-mutation-in-the-glycine-decarboxylase-gldc-gene
#12
Waseem Khraim, Bassam Abu-Libdeh, Suhail Ayesh, Imad Dweikat
INTRODUCTION: Glycine encephalopathy (GE), also known as non-ketotic hyperglycinemia (NKH), is a rare inborn error of glycine metabolism caused by a defect in glycine cleavage system, a multi-enzyme complex located in mitochondrial membrane. This defect results in elevated glycine concentration in plasma and cerebrospinal fluid (CSF). Clinical manifestations vary from severe lethargy, hypoactivity and apneic episodes in the neonatal form, mild or moderate psychomotor delay and seizures in the infantile form, and abnormal behaviors, ataxia and choreoathetoid movements in late onset form...
March 18, 2017: Brain & Development
https://www.readbyqxmd.com/read/28322776/a-randomized-double-blinded-controlled-trial-of-the-effects-of-fluid-rate-and-or-presence-of-dextrose-in-intravenous-fluids-on-the-labor-course-of-nulliparas
#13
Alex Fong, Allison E Serra, Deysi Caballero, Thomas J Garite, Vineet K Shrivastava
BACKGROUND: Prolonged labor has been demonstrated to increase adverse maternal and neonatal outcome. A practice that may decrease the risk of prolonged labor is the modification of fluid intake during labor. OBJECTIVE: Several studies have demonstrated that increased hydration in labor as well as addition of dextrose-containing fluids may be associated with a decrease in length of labor. The purpose of our study was to characterize whether high dose intravenous (IV) fluids, standard dose fluids with dextrose, or high dose fluids with dextrose show a difference in the duration of labor in nulliparas...
March 17, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28320134/post-hemorrhagic-hydrocephalus-recent-advances-and-new-therapeutic-insights
#14
REVIEW
Qianwei Chen, Zhou Feng, Qiang Tan, Jing Guo, Jun Tang, Liang Tan, Hua Feng, Zhi Chen
Post-hemorrhagic hydrocephalus (PHH), also referred to as progressive ventricular dilatation, is caused by disturbances in cerebrospinal fluid (CSF) flow or absorption following hemorrhage in the brain. As one of the most serious complications of neonatal/adult intraventricular hemorrhage (IVH), subarachnoid hemorrhage (SAH), and traumatic brain injury (TBI), PHH is associated with increased morbidity and disability of these events. Common sequelae of PHH include neurocognitive impairment, motor dysfunction, and growth impairment...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28302697/abstention-or-intervention-for-isolated-hypotension-in-the-first-3%C3%A2-days-of-life-in-extremely-preterm-infants-association-with-short-term-outcomes-in-the-epipage-2-cohort-study
#15
Xavier Durrmeyer, Laetitia Marchand-Martin, Raphaël Porcher, Geraldine Gascoin, Jean-Christophe Roze, Laurent Storme, Geraldine Favrais, Pierre-Yves Ancel, Gilles Cambonie
OBJECTIVE: To compare outcomes at hospital discharge for preterm infants born before 29 weeks of gestation who had at least one episode of isolated hypotension during their first 72 hours of life for which they did or did not receive antihypotensive treatment. DESIGN: Etude Epidémiologique sur les Petits Ages Gestationnels 2 (EPIPAGE 2) French national prospective population-based cohort study in 2011. SETTING: 60 neonatal intensive care units...
March 16, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28300026/effects-of-racecadotril-on-weight-loss-and-diarrhea-due-to-human-rotavirus-in-neonatal-gnotobiotic-pigs-sus-scrofa-domesticus
#16
Tammy Bui Guohua Li Inyoung Kim Ke Wen Erica L Twitchell Shaohua Lei Ashwin K Ramesh Mariah D Weiss Xingdong Yang Sherrie G Clark-Deener Robert Km Choy And Lijuan Yuan
Diarrheal disease is the second leading cause of death in children younger than 5 y, and the most common cause of acutewatery diarrhea in young children worldwide is rotaviral infection. Medicines to specifically reduce diarrhea would be a desirable adjunctive treatment to supportive fluid therapy to decrease the mortality rate of diarrheal diseases. In this study, we evaluated the efficacy of an antisecretory drug, racecadotril, in treating human rotavirus (HRV)-induced diarrhea in a neonatal gnotobiotic pig model...
March 15, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28299191/cytomegalovirus-in-pregnancy-and-the-neonate
#17
REVIEW
Vincent C Emery, Tiziana Lazzarotto
Congenital cytomegalovirus (CMV) remains a leading cause of disability in children. Understanding the pathogenesis of infection from the mother via the placenta to the neonate is crucial if we are to produce new interventions and provide supportive mechanisms to improve the outcome of congenitally infected children. In recent years, some major goals have been achieved, including the diagnosis of primary maternal CMV infection in pregnant women by using the anti-CMV IgG avidity test and the diagnosis and prognosis of foetal CMV infection by using polymerase chain reaction real-time tests to detect and quantify the virus in amniotic fluid...
2017: F1000Research
https://www.readbyqxmd.com/read/28289928/human-rotavirus-strain-wa-downregulates-nhe1-and-nhe6-expressions-in-rotavirus-infected-caco-2-cells
#18
Honglang Chen, Lijun Song, Guixian Li, Wenfeng Chen, Shumin Zhao, Ruoxia Zhou, Xiaoying Shi, Zhenying Peng, Wenchang Zhao
Rotavirus (RV) is the most common cause of severe gastroenteritis and fatal dehydration in human infants and neonates of different species. However, the pathogenesis of rotavirus-induced diarrhea is poorly understood. Secretory diarrhea caused by rotavirus may lead to a combination of excessive secretion of fluid and electrolytes into the intestinal lumen. Fluid absorption in the small intestine is driven by Na(+)-coupled transport mechanisms at the luminal membrane, including Na(+)/H(+) exchanger (NHE). Here, we performed qRT-PCR to detect the transcription of NHEs...
March 13, 2017: Virus Genes
https://www.readbyqxmd.com/read/28286810/epidemiology-and-related-risk-factors-of-preterm-labor-as-an-obstetrics-emergency
#19
Ali Asghar Halimi Asl, Saeed Safari, Mohsen Parvareshi Hamrah
INTRODUCTION: Preterm birth is still a major health problem throughout the world, which results in 75% of neonatal mortality. Preterm labor not only inflicts financial and emotional distress, it may also lead to permanent disability. The present study was conducted to determine the related risk factors and preventive measures of preterm labor. METHODS: This retrospective cross-sectional study assessed all preterm labors, as well as an equal number of term labors, during seven years, at an educational hospital...
2017: Emergency (Tehran, Iran)
https://www.readbyqxmd.com/read/28285281/relation-of-thyroid-hormone-levels-with-fluid-resistant-shock-among-preterm-septicemic-neonates
#20
Sourabh Dutta, Sarvendra Singh, Anish Bhattacharya, Sundaram Venkataseshan, Praveen Kumar
OBJECTIVE: To compare thyroid hormone levels between septicemic preterm neonates with and without shock. METHODS: Preterm septicemic infants with shock constituted Group A (n=36) and those without shock constituted Group B, with groups matched (1:1) for gestation and postnatal age. Those with maternal thyroid disorders, thyrotropic medication and life expectancy <12 hours were excluded. We compared serum tri-iodothyronine (T3), thyroxine (T4) and thyroid-stimulating hormone (TSH) between the groups by univariate and multivariate (adjusting for SNAPPE-II) analysis...
February 15, 2017: Indian Pediatrics
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