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https://www.readbyqxmd.com/read/28431283/zika-virus-infection-of-adult-and-fetal-stat2-knock-out-hamsters
#1
Venkatraman Siddharthan, Arnaud J Van Wettere, Rong Li, Jinxin Miao, Zhongde Wang, John D Morrey, Justin G Julander
Zika virus (ZIKV) infection was investigated in adult and fetal STAT2 knock-out (KO) hamsters. Subcutaneous injection of ZIKV of adults resulted in morbidity, mortality, and infection of the uterus, placenta, brain, spinal cord, and testicles, thus providing an opportunity to evaluate congenital ZIKV infection in a second rodent species besides mice. ZIKV-infected cells with morphologies of Sertoli cells and spermatogonia were observed in the testes, which may have implications for sexual transmission and male sterility...
April 18, 2017: Virology
https://www.readbyqxmd.com/read/28422948/beyond-the-uterine-environment-nonhuman-primate-model-to-investigate-maternal-fetal-and-neonatal-outcomes-following-chronic-intrauterine-infection
#2
Meredith A Kelleher, Zheng Liu, Xiaojie Wang, Christopher D Kroenke, Lisa A Houser, Brandy L Dozier, Lauren D Martin, Ken B Waites, Cindy McEvoy, Robert L Schelonka, Peta L Grigsby
BACKGROUND: Intrauterine infection is a significant cause of early preterm birth. We have developed a fetal-neonatal model in the rhesus macaque to determine the impact of chronic intrauterine infection with Ureaplasma parvum on early neonatal reflexes and brain development. METHODS: Time-mated, pregnant rhesus macaques were randomized to be inoculated with U. parvum (serovar 1; 10(5)cfu) or control media at ~120 dGA. Neonates were delivered by elective hysterotomy at 135-147 dGA (term=167d) stabilized and cared for in our nonhuman primate neonatal intensive care unit...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28420662/outcome-of-a-screening-programme-for-the-prevention-of-neonatal-invasive-early-onset-group-b-streptococcus-infection-in-a-uk-maternity-unit-an-observational-study
#3
G Gopal Rao, G Nartey, T McAree, A O'Reilly, S Hiles, T Lee, S Wallace, R Batura, P Khanna, H Abbas, C Tilsed, R Nicholl, T Lamagni, P Bassett
BACKGROUND: Against a background of failure to prevent neonatal invasive early-onset group B Streptococcus infections (GBS) in our maternity unit using risk-based approach for intrapartum antibiotic prophylaxis, we introduced an antenatal GBS carriage screening programme to identify additional women to target for prophylaxis. OBJECTIVES: To describe the implementation and outcome of an antepartum screening programme for prevention of invasive early-onset GBS infection in a UK maternity unit...
April 18, 2017: BMJ Open
https://www.readbyqxmd.com/read/28419265/validation-of-the-sepsis-metascore-for-diagnosis-of-neonatal-sepsis
#4
Timothy E Sweeney, James L Wynn, María Cernada, Eva Serna, Hector R Wong, Henry V Baker, Máximo Vento, Purvesh Khatri
What’s Known on This Subject.: Neonates are at increased risk for developing sepsis, but this population often exhibits ambiguous clinical signs that complicate the diagnosis of infection. No biomarker has yet shown enough diagnostic accuracy to rule out sepsis at the time of clinical suspicion. What This Study Adds.: We show that a gene-expression-based signature is an accurate objective measure of the risk of sepsis in a neonate or preterm infant, and it substantially improves diagnostic accuracy over that of commonly used laboratory-based testing...
April 13, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28410277/use-of-population-pharmacokinetics-and-electronic-health-records-to-assess-piperacillin-tazobactam-safety-in-infants
#5
Sara Salerno, Christoph P Hornik, Michael Cohen-Wolkowiez, P Brian Smith, Lawrence C Ku, Matthew S Kelly, Reese Clark, Daniel Gonzalez
BACKGROUND: Piperacillin, in combination with tazobactam, is frequently used in infants for treating nosocomial infections, although safety data in this population are limited. Electronic health record (EHR) data can be used to evaluate drug safety in infants, but measures of drug exposure are lacking. METHODS: To relate simulated piperacillin exposure with adverse events (AEs) in infants using EHR data, we identified infants discharged from 333 neonatal intensive care units managed by the Pediatrix Medical Group between 1997 and 2012...
April 13, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28408077/does-timing-of-gastroschisis-repair-matter-a-comparison-using-the-acs-nsqip-pediatric-database
#6
Lori A Gurien, Melvin S Dassinger, Jeffrey M Burford, Marie E Saylors, Samuel D Smith
BACKGROUND: There is no consensus on optimal timing of gastroschisis repair. The 2012-2014 ACS NSQIP Pediatric Participant Use Data File was used to compare outcomes of primary versus staged gastroschisis repair. METHODS: Cases were divided into primary repair (0-1day) and staged repair (4-14days). Baseline characteristics and outcomes were compared for primary versus staged closure using Fisher's exact tests for categorical variables and Wilcoxon rank-sum tests for continuous variables...
February 21, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28406596/improving-early-identification-of-hiv-infected-neonates-with-birth-pcr-testing-in-a-large-urban-hospital-in-johannesburg-south-africa-successes-and-challenges
#7
Karl-Günter Technau, Louise Kuhn, Ashraf Coovadia, Sergio Carmona, Gayle Sherman
INTRODUCTION: Timely diagnosis is necessary to avert early death in HIV-infected neonates. Birth PCR testing may improve early identification and facilitate access to care. We implemented a birth HIV diagnosis programme in Johannesburg, South Africa and present successes and challenges of the first two and a half years of operation. METHODS: Between June 2014 and December 2016, we sought to identify all HIV-exposed births and offer newborn HIV PCR testing before discharge after delivery...
April 10, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28400201/inhibitors-of-dual-specificity-tyrosine-phosphorylation-regulated-kinases-dyrk-exert-a-strong-anti-herpesviral-activity
#8
Corina Hutterer, Jens Milbradt, Stuart Hamilton, Mirko Zaja, Johann Leban, Christophe Henry, Daniel Vitt, Mirjam Steingruber, Eric Sonntag, Isabel Zeitträger, Hanife Bahsi, Thomas Stamminger, William Rawlinson, Stefan Strobl, Manfred Marschall
Infection with human cytomegalovirus (HCMV) is a serious medical problem, particularly in immunocompromised individuals and neonates. The success of (val)ganciclovir therapy is hampered by low drug compatibility and induction of viral resistance. A novel strategy of antiviral treatment is based on the exploitation of cell-directed signaling, e. g. pathways with a known relevance for carcinogenesis and tumor drug development. Here we describe a principle for putative antiviral drugs based on targeting dual-specificity tyrosine phosphorylation-regulated kinases (DYRKs)...
April 8, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28396556/pregnancy-outcomes-in-association-with-stds-including-genital-hsv-2-shedding-in-a-south-african-cohort-study
#9
Dhayendre Moodley, Benn Sartorius, Savithree Madurai, Vani Chetty, Suzanne Maman
OBJECTIVES: Genital herpes simplex virus-2 (HSV-2) shedding in pregnant women in association with neonatal herpes infection has been widely studied but there is limited evidence of its association with pregnancy outcomes. METHODS: In this retrospective observational study, we included a subgroup of pregnant women who were enrolled in a randomized control behavioural intervention study that was conducted in South Africa in 2008-2010. In pregnancy, women had a HIV rapid test done and a genital swab taken to test for curable STIs and HSV-2 DNA...
April 10, 2017: Sexually Transmitted Infections
https://www.readbyqxmd.com/read/28395369/antibiotics-prescriptions-in-the-neonatal-intensive-care-unit-how-to-overcome-everyday-challenges
#10
D Donà, E Mozzo, V Mardegan, U Trafojer, P Lago, S Salvadori, E Baraldi, C Giaquinto
Antimicrobial prescriptions in neonatal intensive care units (NICUs) represent a point of concern for the emergence of MDROs and for morbidity associated with prolonged antibiotic exposure (e.g., invasive candidiasis, necrotizing enterocolitis, and late-onset sepsis). Antimicrobial stewardship programs (ASPs) have shown to be a valuable tool for the prevention of resistance with the goals of optimizing clinical outcomes while decreasing unnecessary prescribing. The most frequent ASP strategies include the correct collection and interpretation of microbiological specimens, prescription of the narrowest-spectrum antibiotic appropriate for a particular case, and de-escalation or discontinuation of therapy in defined situations...
April 10, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28395366/teamwork-in-the-nicu-setting-and-its-association-with-health-care-associated-infections-in-very-low-birth-weight-infants
#11
Jochen Profit, Paul J Sharek, Peiyi Kan, Joseph Rigdon, Manisha Desai, Courtney C Nisbet, Daniel S Tawfik, Eric J Thomas, Henry C Lee, J Bryan Sexton
Background and Objective Teamwork may affect clinical care in the neonatal intensive care unit (NICU) setting. The objective of this study was to assess teamwork climate across NICUs and to test scale-level and item-level associations with health care-associated infection (HAI) rates in very low-birth-weight (VLBW) infants. Methods Cross-sectional study of the association between HAI rates, defined as any bacterial or fungal infection during the birth hospitalization, among 6,663 VLBW infants cared for in 44 NICUs between 2010 and 2012...
April 10, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28394766/risks-and-benefits-of-swaddling-healthy-infants-an-integrative-review
#12
Antonia M Nelson
BACKGROUND: Swaddling has been practiced since antiquity; however, there is controversy about its safety. OBJECTIVES: The purpose of this review is to update and build upon previous reviews and synthesize evidence on risks and benefits of swaddling in healthyterm, near-term, or older infants. DATA SOURCES: MEDLINE (1960-May 13, 2016) and CINAHL (1963-May 13, 2016) searches were conducted, relevant articles retrieved, and citation lists reviewed for other references...
April 7, 2017: MCN. the American Journal of Maternal Child Nursing
https://www.readbyqxmd.com/read/28394273/hippocampal-neuronal-loss-in-infant-macaques-orally-infected-with-virulent-simian-immunodeficiency-virus-siv
#13
Heather Carryl, Koen K A Van Rompay, Kristina De Paris, Mark W Burke
The neurological impact of Human Immunodeficiency Virus (HIV) on children includes loss of brain growth, motor abnormalities and cognitive dysfunction. Despite early antiretroviral treatment (ART) intervention to suppress viral load, neurological consequences of perinatal HIV-1 infection persist. Utilizing the pediatric simian immunodeficiency virus (SIV) infection model, we tested the hypothesis that early-life SIV infection depletes neuronal population in the hippocampus. A total of 22 ART-naïve infant rhesus macaques (Macaca mulatta) from previous studies were retrospectively analyzed...
April 10, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28392784/structure-and-function-of-the-fecal-microbiota-in-diarrheic-neonatal-piglets
#14
Qiaoli Yang, Xiaoyu Huang, Shengguo Zhao, Wenyang Sun, Zunqiang Yan, Pengfei Wang, Shenggui Li, Wangzhou Huang, Shengwei Zhang, Lixia Liu, Shuangbao Gun
Diarrhea is a leading cause of increased mortality in neonatal and young piglets. Aberration of the gut microbiota is one important factor in the etiology of piglet diarrhea. However, information regarding the structure and function of the gut microbiome in diarrheic neonatal piglets is limited. To investigate the composition and functional potential of the fecal microbiota in neonatal piglets, we performed 16S rRNA gene sequencing on 20 fecal samples from diarrheic piglets and healthy controls, and metagenomics sequencing on a subset of six samples...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28392470/pituitary-adenylate-cyclase-activating-polypeptide-pacap-and-its-receptor-1-pac1-in-the-human-infant-brain-and-changes-in-the-sudden-infant-death-syndrome-sids
#15
J Huang, K A Waters, R Machaalani
Pituitary adenylate cyclase activating polypeptide (PACAP) and its complementary receptor, PAC1, are crucial in central respiratory control. PACAP Knockout (KO) mice exhibit a SIDS-like phenotype, with an inability to overcome noxious insults, compression of baseline ventilation, and death in the early post-neonatal period. PAC1 KO demonstrate similar attributes to PACAP-null mice, but with the addition of increased pulmonary artery pressure, consequently leading to heart failure and death. This study establishes a detailed interpretation of the neuroanatomical distribution and localization of both PACAP and PAC1 in the human infant brainstem and hippocampus, to determine whether any changes in expression are evident in infants who died of Sudden Infant Death Syndrome (SIDS) and any relationships to risk factors of SIDS including smoke exposure and sleep related parameters...
April 6, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28391755/probiotic-supplementation-in-neonates-with-major-gastrointestinal-surgical-conditions-a-systematic-review
#16
Shripada Rao, Karen Simmer, Sanjay Patole
OBJECTIVES: Neonates with major gastrointestinal surgical conditions frequently suffer from prolonged feed intolerance, infections and need multiple courses of antibiotics. All these put them at risk of gut dysbiosis. Probiotic supplementation has the potential to minimise dysbiosis and improve clinical outcomes in such infants. Hence we aimed to conduct a systematic review of probiotics in neonates with major surgical conditions of the gut. METHODS: Medline, Embase, the Cochrane Central Register of Controlled Trials (CENTRAL), and other databases were searched in September 2016...
April 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28384379/repeated-lumbar-or-ventricular-punctures-in-newborns-with-intraventricular-haemorrhage
#17
REVIEW
Andrew Whitelaw, Richard Lee-Kelland
BACKGROUND: Although in recent years the percentage of preterm infants who suffer intraventricular haemorrhage (IVH) has reduced, posthaemorrhagic hydrocephalus (PHH) remains a serious problem with a high rate of cerebral palsy and no evidence-based treatment. Survivors often have to undergo ventriculoperitoneal shunt (VPS) surgery, which makes the child permanently dependent on a valve and catheter system. This carries a significant risk of infection and the need for surgical revision of the shunt...
April 6, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28381316/effects-of-racecadotril-on-weight-loss-and-diarrhea-due-to-human-rotavirus-in-neonatal-gnotobiotic-pigs-sus-scrofa-domesticus
#18
Tammy Bui, Guohua Li, Inyoung Kim, Ke Wen, Erica L Twitchell, Shaoh Hualei, Ashwin K Ramesh, Mariah D Weiss, Xingdong Yang, Sherrie G Glark-Deener, Robert Km Choy, Lijuan Yuan
Diarrheal disease is the second leading cause of death in children younger than 5 y, and the most common cause of acute watery 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 1, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28376546/association-of-nursing-overtime-nurse-staffing-and-unit-occupancy-with-health-care-associated-infections-in-the-nicu
#19
Marc Beltempo, Régis Blais, Guy Lacroix, Michèle Cabot, Bruno Piedboeuf
Objective This study aims to assess the association of nursing overtime, nurse staffing, and unit occupancy with health care-associated infections (HCAIs) in the neonatal intensive care unit (NICU). Study Design A 2-year retrospective cohort study was conducted for 2,236 infants admitted in a Canadian tertiary care, 51-bed NICU. Daily administrative data were obtained from the database "Logibec" and combined to the patient outcomes database. Median values for the nursing overtime hours/total hours worked ratio, the available to recommended nurse staffing ratio, and the unit occupancy rate over 3-day periods before HCAI were compared with days that did not precede infections...
April 4, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28374642/value-of-platelet-count-in-the-early-diagnosis-of-nosocomial-invasive-fungal-infections-in-premature-infants
#20
Yu-Chen Yang, Jian Mao
The aim of this study was to investigate the value of a platelet count (PLT) in the early diagnosis of nosocomial invasive fungal infections in premature infants. Based on clinical diagnosis combined with blood culture results, 72 premature infants of 5354 pediatric patients who were hospitalized in the neonatal ward of our hospital between September 2009 and February 2013 were diagnosed with nosocomial invasive fungal infections (fungal infection group). There were 58 premature infants diagnosed with bacterial infections during the same period (bacterial infection group)...
April 4, 2017: Platelets
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