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https://www.readbyqxmd.com/read/29145465/hospital-associated-methicillin-resistant-staphylococcus-aureus-a-cross-sectional-analysis-of-risk-factors-in-south-african-tertiary-public-hospitals
#1
Liliwe L Shuping, Lazarus Kuonza, Alfred Musekiwa, Samantha Iyaloo, Olga Perovic
INTRODUCTION: Hospital-associated methicillin-resistant S. aureus (HA-MRSA) remains a significant cause of morbidity and mortality worldwide. We conducted a study to determine risk factors for HA-MRSA in order to inform control strategies in South Africa. METHODS: We used surveillance data collected from five tertiary hospitals in Gauteng and Western Cape provinces during 2014 for analysis. A case of HA-MRSA was defined as isolation of MRSA from a blood culture 48 hours after admission and/or if the patient was hospitalised in the six months prior to the current culture...
2017: PloS One
https://www.readbyqxmd.com/read/29137502/innovative-product-development-partnership-reduced-neonatal-mortality-in-nepal-through-improved-umbilical-cord-care
#2
Peter Oyloe, Leela Khanal, Stephen Hodgins, Sabita T Pradhan, Penny Dawson
Approximately 40 percent of all newborn deaths in Nepal are attributable to neonatal infections. A randomized controlled trial conducted in Nepal in the period 2002-05 on the application of a solution of the disinfectant chlorhexidine to umbilical cord stumps of newborns showed a reduced risk of infections and death. In response to these results, the Government of Nepal and various partners mobilized to deliver this simple, low-cost intervention on a national scale. We describe the design, development, and maturation of a partnership among the government, technical assistance agencies, and a local pharmaceutical company to create a suitable, commercially available gel product to reduce newborn infections...
November 2017: Health Affairs
https://www.readbyqxmd.com/read/29134932/outbreak-of-pichia-kudriavzevii-fungaemia-in-a-neonatal-intensive-care-unit
#3
T Nagarathnamma, Sneha K Chunchanur, Shivaprakash M Rudramurthy, K R Vineetha, Karthik Ramamurthy, Jillwin Joseph, R Ambica
PURPOSE: Fungaemia is associated with substantial morbidity and mortality in neonates admitted to neonatal intensive care units (NICUs). We report an outbreak of fungaemia in a NICU due to rare yeast, Pichia kudriavzevii (a teleomorph of Candida krusei). To the best of our knowledge, this is the first report of neonatal sepsis due to P. kudriavzevii. METHODOLOGY: Between August and September 2014, blood cultures from nine neonates diagnosed with late-onset sepsis in the NICU yielded yeast-like organisms...
November 14, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29129472/effectiveness-of-intrapartum-antibiotic-prophylaxis-for-early-onset-group-b-streptococcal-infection-an-integrative-review
#4
REVIEW
Kathryn Braye, John Ferguson, Deborah Davis, Christine Catling, Amy Monk, Maralyn Foureur
BACKGROUND: In some countries, up to 30% of women are exposed to intrapartum antibiotic prophylaxis for prevention of early-onset group B Streptococcal infection. Intrapartum antibiotic prophylaxis aims to reduce the risk of neonatal morbidity and mortality from this infection. The intervention may adversely affect non-pathogenic bacteria which are passed to the newborn during birth and are considered important in optimising health. Since many women are offered intrapartum antibiotic prophylaxis, effectiveness and implications of this intervention need to be established...
November 9, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/29127071/sickness-induced-changes-in-physiology-do-not-affect-fecundity-or-same-sex-behavior
#5
Kristyn E Sylvia, Patricia Baez Ramos, Gregory E Demas
Previous work in our lab has shown that early-life infection affects female reproductive physiology and function (i.e., smaller ovaries, abnormal estrous cycles) and alters investigation and aggression towards male conspecifics in a reproductive context. Although many studies have investigated the effects of postnatal immune challenge on physiological and behavioral development, fewer studies have examined whether these changes have ultimate effects on reproduction. In the current study, we paired Siberian hamsters (Phodopus sungorus) and simulated a bacterial infection in early life by administering lipopolysaccharide (LPS) to male and female pups on pnd3 and pnd5...
November 7, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/29125097/historical-and-contemporary-aspects-of-maternal-immunity-in-swine
#6
Korakrit Poonsuk, Jeff Zimmerman
Maternal immunity plays a pivotal role in swine health and production because piglets are born agammaglobulinemic and with limited cell-mediated immunity, i.e. few peripheral lymphoid cells, immature lymphoid tissues, and no effector and memory T-lymphocytes. Swine do not become fully immunologically competent until about 4 weeks of age, which means that their compromised ability to respond to infectious agents during the first month of life must be supplemented by maternal immune components: (1) circulating antibodies derived from colostrum; (2) mucosal antibodies from colostrum and milk; and (3) immune cells provided in mammary secretions...
November 10, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29115952/no-evidence-of-enteric-viral-involvement-in-the-new-neonatal-porcine-diarrhoea-syndrome-in-danish-pigs
#7
N B Goecke, C K Hjulsager, H Kongsted, M Boye, S Rasmussen, F Granberg, T K Fischer, S E Midgley, L D Rasmussen, Ø Angen, J P Nielsen, S E Jorsal, L E Larsen
BACKGROUND: The aim of this study was to investigate whether the syndrome New Neonatal Porcine Diarrhoea Syndrome (NNPDS) is associated with a viral aetiology. Four well-managed herds experiencing neonatal diarrhoea and suspected to be affected by NNPDS were included in a case-control set up. A total of 989 piglets were clinically examined on a daily basis. Samples from diarrhoeic and non-diarrhoeic piglets at the age of three to seven days were selected for extensive virological examination using specific real time polymerase chain reactions (qPCRs) and general virus detection methods...
November 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29112092/variation-in-visiting-and-isolation-policies-in-neonatal-units-a-uk-nationwide-survey
#8
Shin Tan, Martin Clarkson, Don Sharkey
Global pandemics, such as H1N1, are a major risk for neonatal patients. We surveyed UK tertiary and district neonatal units about visiting and infection control policies relating to viral respiratory infections. There was marked variation with visiting policies, tertiary units being more restrictive. Isolation, screening and outbreak management of infected babies was highly variable posing a risk in future pandemics.
November 3, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29109175/the-streptococcus-agalactiae-stringent-response-enhances-virulence-and-persistence-in-human-blood
#9
Thomas A Hooven, Andrew J Catomeris, Maryam Bonakdar, Luke J Tallon, Ivette Santana-Cruz, Sandra Ott, Sean C Daugherty, Hervé Tettelin, Adam J Ratner
Streptococcus agalactiae (group B Streptococcus, GBS) causes serious infection in neonates. We previously reported a Tn-seq system for performing genome-wide assessment of gene fitness in GBS. In order to identify molecular mechanisms required for GBS to transition from a mucosal commensal lifestyle to bloodstream invasion, we performed Tn-seq on GBS coincubated with human whole blood. Our analysis identified 16 genes conditionally essential for GBS survival in blood, of which 75% were members of the capsular polysaccharide (cps) operon...
November 6, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29107079/clonal-spread-of-carbapenem-resistant-acinetobacter-baumannii-in-neonatal-intensive-care-unit
#10
Wirlaine Glauce Maciel, Kesia Esther da Silva, Julio Croda, Rodrigo Cayô, Ana Carolina Ramos, Romário Oliveira de Sales, Gleyce Hellen de Almeida de Souza, José Victor Bortolotto Bampi, Leticia Cristina Limiere, Junior César Casagrande, Ana Cristina Gales, Simone Simionatto
Acinetobacter baumannii has been frequently associated with colonization and/or infection in neonatal intensive care units (NICU). In this study, we describe a clonal spread of carbapenem-resistant A. baumannii (CRAB) isolates in a NICU. A total of 21 CRAB isolates were collected from premature newborns. Only polymyxin B was active against such isolates. Nineteen CRAB isolates were clonally related (cluster C that belonged to worldwide-disseminated ST1). All newborns had peripheral access and previously received β-lactams therapy...
October 26, 2017: Journal of Hospital Infection
https://www.readbyqxmd.com/read/29100326/fiber-modified-hexon-chimeric-oncolytic-adenovirus-targeting-cancer-associated-fibroblasts-inhibits-tumor-growth-in-gastric-carcinoma
#11
Tao Pang, Xinghua Wang, Jun Gao, Wei Chen, Xiao Jun Shen, Ming Ming Nie, Tianhang Luo, Kai Yin, Guoen Fang, Kai Xuan Wang, Xu Chao Xue
Objective: To evaluate the effects of fiber-modified hexon-chimeric recombinant oncolytic adenovirus targeting cancer associated fibroblasts (CAFs) on the gastric CAFs and the transplantation tumor mice model of gastric carcinoma (GC). Results: Compared with BJ cells and GPFs, the reproduction and infectivity of P9, P9-4C or GP adenoviruses were markedly higher in gastric CAFs. In addition, P9, P9-4C or GP had a significantly relatively more killing effect on gastric CAFs compared with GPFs, and have less oncolytic effect in BJ cells...
September 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29099941/formula-feeding-predisposes-neonatal-piglets-to-clostridium-difficile-gut-infection
#12
Lukasz Grzeskowiak, Beatriz Martínez-Vallespín, Temesgen H Dadi, Judith Radloff, Salah Amasheh, Femke-Anouska Heinsen, Andre Franke, Knut Reinert, Wilfried Vahjen, Jürgen Zentek, Robert Pieper
Spontaneous Clostridium difficile (CD) outbreaks occur in neonatal piglets but the predisposing factors are largely not known. To study the conditions for CD colonisation and infection development, neonatal piglets (n=48) were moved into isolators, fed bovine milk-based formula and infected with CD 078. Analyses included: clinical scoring; faecal CD, toxin B, calprotectin; post-mortem colon histopathology. Controls were non-infected suckling piglets. Faeces from suckling, formula-fed and formula-fed-CD-infected piglets were used for metagenomics...
November 1, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29096567/risk-factors-for-necrotizing-enterocolitis-in-very-preterm-infants-a-case-control-study-in-southwest-china
#13
Ling-Ping Zhang, Xiao-Ping Lei, Li-Juan Luo, Wen-Bin Dong
OBJECTIVE: The objective of this study is to investigate perinatal risk factors for necrotizing enterocolitis (NEC) in very preterm infants. METHODS: This retrospective study included all preterm infants with a gestational age <32 weeks attending our institution from 2013 to 2016. The NEC group comprised patients with NEC enrolled according to the inclusion criteria. Controls were selected from the database and were matched for gender, gestational age, and birth weight...
November 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29093180/the-fcrn-inhibitor-rozanolixizumab-reduces-human-serum-igg-concentration-a-randomized-phase-1-study
#14
Peter Kiessling, Rocio Lledo-Garcia, Shikiko Watanabe, Grant Langdon, Diep Tran, Muhammad Bari, Louis Christodoulou, Emma Jones, Graham Price, Bryan Smith, Frank Brennan, Ian White, Stephen Jolles
Pathogenic immunoglobulin G (IgG) autoantibodies characterize some human autoimmune diseases; their high concentration and long half-life are dependent on recycling by the neonatal Fc receptor (FcRn). Inhibition of FcRn is an attractive new treatment concept for IgG-mediated autoimmune diseases. Rozanolixizumab (UCB7665; CA170_01519.g57 IgG4P) is an anti-human FcRn monoclonal antibody. In cynomolgus monkeys, rozanolixizumab reduced IgG (maximum 75 to 90% by about day 10), was well tolerated, and did not increase risk of infection...
November 1, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29090450/effects-of-environmental-tobacco-smoke-on-the-oral-health-of-preschool-children
#15
N N B Hasmun, B K Drummond, T Milne, M P Cullinan, A M Meldrum, D Coates
AIMS: This study investigated the association between the prevalence of oral health problems (caries, gingivitis, mucosal pigmentation and enamel defects in one to 5 year-old children exposed and not exposed to environmental tobacco smoke before and/or after birth. Exposure to environmental tobacco smoke (ETS) in childhood may have significant health effects. METHODS: A structured questionnaire was used to collect data on a child's current and previous illnesses, oral health behaviours, dietary habits, parental smoking behaviours and parents' dental history...
October 31, 2017: European Archives of Paediatric Dentistry: Official Journal of the European Academy of Paediatric Dentistry
https://www.readbyqxmd.com/read/29089940/prevalence-molecular-characterization-and-antibiotic-susceptibility-of-cronobacter-sakazakii-isolates-from-powdered-infant-formula-collected-from-chinese-retail-markets
#16
Peng Fei, Yichao Jiang, Yan Jiang, Xiujuan Yuan, Tongxiang Yang, Junliang Chen, Ziyuan Wang, Huaibin Kang, Stephen J Forsythe
Cronobacter sakazakii is an opportunistic pathogen that causes severe infections in neonates and infants through contaminated powdered infant formula (PIF). Therefore, the aim of this study was a large-scale study on determine the prevalence, molecular characterization and antibiotic susceptibility of C. sakazakii isolates from PIF purchased from Chinese retail markets. Two thousand and twenty PIF samples were collected from different institutions. Fifty-six C. sakazakii strains were isolated, and identified using fusA sequencing analysis, giving a contamination rate of 2...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29081301/shortening-the-application-time-of-alcohol-based-hand-rubs-to-15-seconds-may-improve-the-frequency-of-hand-antisepsis-actions-in-a-neonatal-intensive-care-unit
#17
Axel Kramer, Didier Pittet, Romana Klasinc, Stefan Krebs, Torsten Koburger, Christoph Fusch, Ojan Assadian
BACKGROUND For alcohol-based hand rubs, the currently recommended application time of 30 seconds is longer than the actual time spent in clinical practice. We investigated whether a shorter application time of 15 seconds is microbiologically safe in neonatal intensive care and may positively influence compliance with the frequency of hand antisepsis actions. METHODS We conducted in vitro experiments to determine the antimicrobial efficacy of hand rubs within 15 seconds, followed by clinical observations to assess the effect of a shortened hand antisepsis procedure under clinical conditions in a neonatal intensive care unit (NICU)...
October 30, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29080764/haptoglobin-and-serum-amyloid-a-concentrations-and-their-relationship-with-oocyst-count-in-neonatal-lambs-experimentally-infected-with-cryptosporidium-parvum
#18
Ceren Dinler, Bulent Ulutas, Huseyin Voyvoda, Pinar Alkim Ulutas, Kerem Ural, Tulin Karagenc
This study aimed to evaluate the acute phase response (APR) through haptoglobin (Hp) and serum amyloid A (SAA) concentrations in serum and to examine the correlation between these acute phase proteins (APPs) and oocyst shedding using experimental Cryptosporidium parvum (C. parvum) infection model in neonatal lambs. Twenty lambs were divided into two equal groups: group CON remained uninfected as negative control and lambs of the group EXP were inoculated orally with 1×10(6)C. parvum oocysts. Blood and faecal samples were obtained from both groups before colostrum intake and prior to inoculation (day-1), and at 2, 6, 13, and 20days post-inoculation (dpi)...
November 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/29077529/postnatal-melatonin-treatment-protects-against-affective-disorders-induced-by-early-life-immune-stimulation-by-reducing-the-microglia-cell-activation-and-oxidative-stress
#19
I Berkiks, H Benmhammed, A Mesfioui, A Elhasnaoui, S Mouden, T Touil, Y Bahbiti, R Nakache, A Ouichou, A El Hessni
Systemic inflammation induced by neonatal infection may result as long-term hyperactivation of microglial cells followed by an overproduction of pro-inflammatory cytokines, such as tumor necrosis factor (TNF-α), nitric oxide (NO), and lipid peroxidation. Those inflammation mediators can trigger behavioral disruption and/or cognitive disorders. The present work aims to evaluate the effect of melatonin (a cytokine release modulator and antioxidant agent) in the reduction of the prefrontal microglia activation and depressive-like behaviors induced by LPS injection in adult rats...
October 27, 2017: International Journal of Neuroscience
https://www.readbyqxmd.com/read/29074717/2-chlorhexidine-70-isopropyl-alcohol-versus-10-povidone-iodine-for-insertion-site-cleaning-before-central-line-insertion-in-preterm-infants-a-randomised-trial
#20
Emily A Kieran, Anne O'Sullivan, Jan Miletin, Anne R Twomey, Susan J Knowles, Colm Patrick Finbarr O'Donnell
OBJECTIVE: To determine whether 2% chlorhexidine gluconate-70% isopropyl alcohol (CHX-IA) is superior to 10% aqueous povidone-iodine (PI) in preventing catheter-related blood stream infection (CR-BSI) when used to clean insertion sites before placing central venous catheters (CVCs) in preterm infants. DESIGN: Randomised controlled trial. SETTING: Two neonatal intensive care units (NICUs). PATIENTS: Infants <31 weeks' gestation who had a CVC inserted...
October 26, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
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