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infection control neonates

Elizabeth M Todd, Julie Y Zhou, Taylor P Szasz, Lauren E Deady, June A D'Angelo, Matthew D Cheung, Alfred H J Kim, Sharon Celeste Morley
Alveolar macrophages are lung-resident sentinel cells that develop perinatally and protect against pulmonary infection. Molecular mechanisms controlling alveolar macrophage generation have not been fully defined. Here we show that the actin-bundling protein L-plastin (LPL) is required for the perinatal development of alveolar macrophages. Mice expressing a conditional allele of LPL (CD11c.Cre(pos)-LPL(fl/fl)) exhibited significant reductions in alveolar macrophages and failed to effectively clear pulmonary pneumococcal infection, showing that immunodeficiency results from reduced alveolar macrophage numbers...
October 6, 2016: Blood
Alessandro Cassini, Diamantis Plachouras, Tim Eckmanns, Muna Abu Sin, Hans-Peter Blank, Tanja Ducomble, Sebastian Haller, Thomas Harder, Anja Klingeberg, Madlen Sixtensson, Edward Velasco, Bettina Weiß, Piotr Kramarz, Dominique L Monnet, Mirjam E Kretzschmar, Carl Suetens
BACKGROUND: Estimating the burden of healthcare-associated infections (HAIs) compared to other communicable diseases is an ongoing challenge given the need for good quality data on the incidence of these infections and the involved comorbidities. Based on the methodology of the Burden of Communicable Diseases in Europe (BCoDE) project and 2011-2012 data from the European Centre for Disease Prevention and Control (ECDC) point prevalence survey (PPS) of HAIs and antimicrobial use in European acute care hospitals, we estimated the burden of six common HAIs...
October 2016: PLoS Medicine
Amos Grünebaum, Laurence B McCullough, Birgit Arabin, Joachim Dudenhausen, Brooke Orosz, Frank A Chervenak
INTRODUCTION: The objective of this study was to evaluate the underlying causes of neonatal mortality (NNM) in midwife-attended home births and compare them to hospital births attended by a midwife or a physician in the United States (US). METHODS: A retrospective cohort study of the Centers for Disease Control (CDC) linked birth/infant death data set (linked files) for 2008 through 2012 of singleton, term (≥37 weeks) births and normal newborn weights (≥2500 grams)...
October 18, 2016: Journal of Perinatal Medicine
Zhangmin Tan, Yuzhu Yin, Jin Zhou, Lingling Wu, Chengfang Xu, Hongying Hou
This prospective study evaluated the viability of telbivudine for blocking mother-to-child transmission (MTCT) of hepatitis B virus (HBV) infection.Pregnant women positive for the hepatitis B surface antigen began telbivudine treatment before 14 weeks of gestation (i.e., early), between 14 and 28 weeks of gestation (late), or not at all (control). In the late-treatment group, 55 women terminated telbivudine therapy within puerperium. All neonates underwent routine hepatitis B immunoglobulin plus vaccination...
October 2016: Medicine (Baltimore)
Fiona Brigid McDonald, Kumaran Chandrasekharan, Richard J A Wilson, Shabih U Hasan
Maternal cigarette smoke (CS) exposure exhibits a strong epidemiological association with Sudden Infant Death Syndrome but other environmental stressors, including infection, hyperthermia and hypoxia have also been postulated as important risk factors. This study examines if maternal CS exposure causes maladaptations within homeostatic control networks by influencing the response to lipopolysaccharide, heat stress and/or hypoxia in neonatal rats. Pregnant dams were exposed to CS or parallel sham treatments daily for the length of gestation...
October 12, 2016: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
Jing Yu, Kun Tan, Zhihui Rong, Yue Wang, Zhongju Chen, Xuhui Zhu, Li Wu, Li Tan, Wei Xiong, Ziyong Sun, Ling Chen
BACKGROUND: The spread of resistance to carbapenems among Enterobacteriaceae has become a major public health problem in recent years. In this study, we describe an outbreak of Klebsiella pneumoniae in the neonatal ward. First, we aimed to study the drug resistance, genetic relatedness, and transmission mechanism of carbapenem-resistant K. pneumoniae; second, we implemented infection control measures to contain the outbreak. METHODS: We investigated 27 non-repetitive strains isolated from neonates and five strains cultured from around the neonatal ward...
October 12, 2016: BMC Infectious Diseases
Taj Azarian, Nizar F Maraqa, Robert L Cook, Judith A Johnson, Christine Bailey, Sarah Wheeler, David Nolan, Mobeen H Rathore, J Glenn Morris, Marco Salemi
Despite infection prevention efforts, neonatal intensive care unit (NICU) patients remain at risk of Methicillin-resistant Staphylococcus aureus (MRSA) infection. Modes of transmission for healthcare-associated (HA) and community-associated (CA) MRSA remain poorly understood and may vary by genotype, hindering the development of effective prevention and control strategies. From 2008-2010, all patients admitted to a level III NICU were screened for MRSA colonization, and all available isolates were spa-typed...
2016: PloS One
Lygia M Malvestio, Mara Rúbia N Celes, Linda A Jelicks, Herbert B Tanowitz, Cibele M Prado
Dystrophin, an important protein of the dystrophin-glycoprotein complex, has been implicated in the pathogenesis of experimental Chagas disease. It is important for the maintenance of cell shape and contraction force transmission. Dystrophin loss has been related to end-stage cardiac myopathies and proposed as a common route for myocardial dysfunction and progression to advanced heart failure. Evidence suggests that calpains, calcium-dependent proteases, digest dystrophin when the calcium concentration is compatible with their activation...
October 11, 2016: Parasitology Research
Satyendra Kaushal, Tuhina Banerjee, Shampa Anupurba, Ashok Kumar
The increasing reports of vancomycin-resistant enterococci (VRE) as a cause of neonatal septicemia are of recent interest. However, in majority of the cases, the source of VRE could not be located. As a consequence, the real importance of VRE and its control measures is undermined. Herein, we report a case of neonatal septicemia due to VRE (Enterococcus faecalis) of vanA genotype with VRE carriage in stool of the neonates as a possible source of sepsis. The report put forwards some lacunae in the infection control practices that are presently followed in the country...
October 2016: Indian Journal of Pathology & Microbiology
Patrick C Donnelly, Rebecca M Sutich, Ryan Easton, Oluwatunmise A Adejumo, Todd A Lee, Latania K Logan
BACKGROUND: Ceftriaxone is a third-generation cephalosporin with broad-spectrum activity against both Gram-positive and Gram-negative bacteria. Despite its effectiveness, its use for the treatment of infections in neonatal patients has been limited because of concern about its potential toxicity. OBJECTIVE: Our aim was to review the literature for an association between ceftriaxone and cardiopulmonary events, hyperbilirubinemia, and pseudolithiasis among neonates...
October 7, 2016: Paediatric Drugs
Mehrab Dashtdar, Mohammad Reza Dashtdar, Babak Dashtdar, Gazala Afreen Khan, Karima Kardi
OBJECTIVES: The purpose of this study was to obtain a natural antibiotic from Phenol-rich compounds; for the dressing and the treatment of chronic wounds. METHODS: The Phenol-rich compound sweet gel was prepared by blending four natural herbal extracts, Acacia catechu (L.F.), Momia (Shilajit), Castanea sativa, and Ephedra sinica stapf, with combination of a sweet gel medium, including honey, maple saps, Phoenix dactylifera L. (date), pomegranate extract and Azadirachta indica gum as a stabilizer...
September 2016: Journal of Pharmacopuncture
Sunil Sazawal, Usha Dhingra, Said M Ali, Arup Dutta, Saikat Deb, Shaali M Ame, Mkasha H Mkasha, Ashish Yadav, Robert E Black
BACKGROUND: In low-income countries, including the east African region, a third of neonatal deaths are due to infections. A substantial proportion of these have been attributed to sepsis, which can result from umbilical cord infections. Evidence from Asia suggests that chlorhexidine application to the neonatal umbilical cord reduces mortality, but no data from Africa are available. We aimed to assess the effect of umbilical cord cleansing with 4% chlorhexidine solution on neonatal mortality and omphalitis in rural settings of sub-Saharan Africa...
September 29, 2016: Lancet Global Health
Fakry F Mohamed, Shimaa M G Mansour, Iman E El-Araby, Sunil K Mor, Sagar M Goyal
Neonatal calf diarrhea (NCD) is a major cause of morbidity, mortality and economic losses in the beef and dairy industries. This study was conducted to investigate the existence of enteric viruses in two Egyptian farms with a history of recurrent diarrhea. Fecal samples were collected from 25 diarrheic calves. RNA was extracted and tested by reverse transcription polymerase chain reaction (RT-PCR) for the presence of rotavirus, norovirus, astrovirus, torovirus, coronavirus and bovine viral diarrhea virus. Overall, 76 % (19/25) of samples tested positive for one or more viruses...
September 29, 2016: Archives of Virology
Aamer Imdad, Zunirah Ahmed, Zulfiqar A Bhutta
BACKGROUND: Vitamin A deficiency is a significant public health problem in low- and middle-income countries. Vitamin A supplementation provided to infants less than six months of age is one of the strategies to improve the nutrition of infants at high risk of vitamin A deficiency and thus potentially reduce their mortality and morbidity. OBJECTIVES: To evaluate the effect of synthetic vitamin A supplementation in infants one to six months of age in low- and middle-income countries, irrespective of maternal antenatal or postnatal vitamin A supplementation status, on mortality, morbidity and adverse effects...
September 28, 2016: Cochrane Database of Systematic Reviews
Zachary M Parker, Tracy Jo Pasieka, George A Parker, David A Leib
: The interferon (IFN) response to viral pathogens is critical for host survival. In humans and mouse models, defects in IFN responses can result in lethal herpes simplex type-1 (HSV-1) infections, usually from encephalitis. Although rare, HSV-1 can also cause fulminant hepatic failure which is often fatal. While herpes simplex encephalitis has been extensively studied, HSV-1 generalized infections and subsequent acute liver failure are less well understood. We previously demonstrated that IFNαβγR(-/-) mice are exquisitely susceptible to liver infection following corneal infection with HSV-1...
September 28, 2016: Journal of Virology
William J Muller
Viral infections in the fetus or newborn often involve the central nervous system (CNS) and can lead to significant morbidity and mortality. Substantial progress has been made in identifying interventions decreasing adverse neurodevelopmental outcomes in this population. This review highlights progress in treatment of important viruses affecting the CNS in these susceptible hosts, focusing on herpes simplex (HSV), cytomegalovirus (CMV), human immunodeficiency virus (HIV), and enteroviruses. The observation that high-dose acyclovir improves mortality in neonatal HSV disease culminated decades of antiviral research for this disease...
September 27, 2016: Pediatric Research
Charlie Cador, Nicolas Rose, Lander Willem, Mathieu Andraud
Swine Influenza A Viruses (swIAVs) have been shown to persist in farrow-to-finish pig herds with repeated outbreaks in successive batches, increasing the risk for respiratory disorders in affected animals and being a threat for public health. Although the general routes of swIAV transmission (i.e. direct contact and exposure to aerosols) were clearly identified, the transmission process between batches is still not fully understood. Maternally derived antibodies (MDAs) were stressed as a possible factor favoring within-herd swIAV persistence...
2016: PloS One
Richard H Beigi, Lisa M Noguchi, Elizabeth Montgomery, Joseph Biggio, Craig W Hendrix, Mark A Marzinke, James Y Dai, Jason Pan, Ratiya Kunjara Na Ayudhya, Jill L Schwartz, Karen Isaacs, Jeanna M Piper, D Heather Watts
INTRODUCTION: Vaginal tenofovir (TFV) 1% gel may reduce incident HIV-1 and herpes simplex virus 2 infection. Pregnancy may increase risk of HIV acquisition, and incident HIV in pregnancy potentiates perinatal HIV transmission. Our objective was to investigate the safety and pharmacokinetics of seven days of TFV 1% vaginal gel in term and near-term pregnancy. METHODS: Ninety-eight healthy pregnant women, stratified to a term cohort followed by a near-term cohort, were enrolled into a 2:1 randomized, double-blinded, placebo-controlled trial...
2016: Journal of the International AIDS Society
Adrienne M Antonson, Emily C Radlowski, Marcus A Lawson, Jennifer L Rytych, Rodney W Johnson
Maternal infection during pregnancy increases risk for neurodevelopmental disorders and reduced stress resilience in offspring, but the mechanisms are not fully understood. We hypothesized that piglets born from gilts infected with a respiratory virus during late gestation would exhibit aberrant microglia activity, cognitive deficits and reduced sociability. Pregnant gilts were inoculated with porcine reproductive and respiratory syndrome virus (PRRSV; 5 x 10(5) TCID50 of live PRRSV) or saline at gestational day 76...
September 17, 2016: Brain, Behavior, and Immunity
N-N Huang, G-Z Wang, J-F Wang, Y-X Yuan
OBJECTIVE: This study aims to investigate the risk factors for neonatal nosocomial enteric infection (NNEI) and the effect of intervention with BIFICO. PATIENTS AND METHODS: Between May 2013 and June 2015, 215 neonates admitted to our institution were randomly divided into the study group and the control group, 47 for each group. Patients in the study group were treated for primary diseases combined with the oral admission of BIFICO, whereas patients in the control group were treated for primary disease alone...
September 2016: European Review for Medical and Pharmacological Sciences
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