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Streptococcus pneumoniae in childrens

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https://www.readbyqxmd.com/read/29289941/azithromycin-to-prevent-post-discharge-morbidity-and-mortality-in-kenyan-children-a-protocol-for-a-randomised-double-blind-placebo-controlled-trial-the-toto-bora-trial
#1
Patricia B Pavlinac, Benson O Singa, Grace C John-Stewart, Barbra A Richardson, Rebecca L Brander, Christine J McGrath, Kirkby D Tickell, Mary Amondi, Doreen Rwigi, Joseph B Babigumira, Sam Kariuki, Ruth Nduati, Judd L Walson
INTRODUCTION: Child mortality due to infectious diseases remains unacceptably high in much of sub-Saharan Africa. Children who are hospitalised represent an accessible population at particularly high risk of death, both during and following hospitalisation. Hospital discharge may be a critical time point at which targeted use of antibiotics could reduce morbidity and mortality in high-risk children. METHODS AND ANALYSIS: In this randomised, double-blind, placebo-controlled trial (Toto Bora Trial), 1400 children aged 1-59 months discharged from hospitals in Western Kenya, in Kisii and Homa Bay, will be randomised to either a 5-day course of azithromycin or placebo to determine whether a short course of azithromycin reduces rates of rehospitalisation and/or death in the subsequent 6-month period...
December 29, 2017: BMJ Open
https://www.readbyqxmd.com/read/29289385/phenotypic-and-molecular-characterization-of-streptococcus-pneumoniae-in-pre-conjugate-vaccine-era-a-chinese-hospital-based-retrospective-study
#2
Ling Li, Jinjian Fu, Shunming Li, Dan Guo, Zhiyao Chen, Sidong Chen, Xiaohua Ye
BACKGROUND: Streptococcus pneumoniae (S. pneumoniae) is an important pathogen in causing global morbidity and mortality among children. This study aimed to determine phenotypic and molecular characteristics of S. pneumoniae causing infections in children under five years in China. METHODS: A hospital-based retrospective study was conducted. All 537 S. pneumoniae isolates were tested for antimicrobial susceptibility by E-test method, molecular characteristics including resistance genes, virulence genes and serotypes by multiplex polymerase chain reaction (PCR) method, and sequence types (STs) by sequencing seven housekeeping genes...
December 27, 2017: Vaccine
https://www.readbyqxmd.com/read/29287070/a-diagnostic-and-epidemiologic-investigation-of-acute-febrile-illness-afi-in-kilombero-tanzania
#3
Christine Hercik, Leonard Cosmas, Ondari D Mogeni, Newton Wamola, Wanze Kohi, Victor Omballa, Melvin Ochieng, Shirley Lidechi, Juma Bonventure, Caroline Ochieng, Clayton Onyango, Barry S Fields, Sayoki Mfinanga, Joel M Montgomery
INTRODUCTION: In low-resource settings, empiric case management of febrile illness is routine as a result of limited access to laboratory diagnostics. The use of comprehensive fever syndromic surveillance, with enhanced clinical microbiology, advanced diagnostics and more robust epidemiologic investigation, could enable healthcare providers to offer a differential diagnosis of fever syndrome and more appropriate care and treatment. METHODS: We conducted a year-long exploratory study of fever syndrome among patients ≥ 1 year if age, presenting to clinical settings with an axillary temperature of ≥37...
2017: PloS One
https://www.readbyqxmd.com/read/29285648/bacteria-from-bronchoalveolar-lavage-fluid-from-children-with-suspected-chronic-lower-respiratory-tract-infection-results-from-a-multi-center-cross-sectional-study-in-spain
#4
Amparo Escribano Montaner, Juan García de Lomas, José Ramón Villa Asensi, Oscar Asensio de la Cruz, Olga de la Serna Blázquez, Mikel Santiago Burruchaga, Pedro Mondéjar López, Alba Torrent Vernetta, Yang Feng, Melissa K Van Dyke, Janet Reyes, Pilar Garcia-Corbeira, Carla A Talarico
This cross-sectional study assessed the prevalence of bacteria isolated from Spanish children with suspected chronic lower respiratory tract infection (LRTI) for whom bronchoalveolar lavage (BAL) was indicated. BAL fluid (BALF) was collected from 191 children (aged ≥ 6 months to < 6 years, with persistent or recurrent respiratory symptoms, non-responders to usual treatment) and cultured. Nasopharyngeal swabs (NPSs) were also obtained and cultured to assess concordance of BALF and NPS findings in the same patient...
December 29, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29284419/serotype-distribution-and-antibiotic-resistance-of-streptococcus-pneumoniae-isolates-from-17-chinese-cities-from-2011-to-2016
#5
Chunjiang Zhao, Zongbo Li, Feifei Zhang, Xiaobing Zhang, Ping Ji, Ji Zeng, Bijie Hu, Zhidong Hu, Kang Liao, Hongli Sun, Rong Zhang, Bin Cao, Chao Zhuo, Wei Jia, Yaning Mei, Yunzhuo Chu, Xuesong Xu, Qing Yang, Yan Jin, Quan Fu, Xiuli Xu, Hongling Li, Lijun Wang, Yuxing Ni, Hongjie Liang, Hui Wang
BACKGROUND: Streptococcus pneumoniae, the leading pathogen of bacterial infections in infants and the elderly, is responsible for pneumococcal diseases with severe morbidity and mortality. Emergence of drug-resistant strains presented new challenges for treatment and prevention. Vaccination has proven to be an effective means of preventing pneumococcal infection worldwide. Detailed epidemiological information of antibiotic susceptibilities and serotype distribution will be of great help to the management of pneumococcal infections...
December 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29284418/the-aetiologies-of-central-nervous-system-infections-in-hospitalised-cambodian-children
#6
Paul Turner, Kuong Suy, Le Van Tan, Pora Sar, Thyl Miliya, Nguyen Thi Thu Hong, Vu Thi Ty Hang, Nguyen Thi Han Ny, Sona Soeng, Nicholas P J Day, H Rogier van Doorn, Claudia Turner
BACKGROUND: Central nervous system (CNS) infections are an important cause of childhood morbidity and mortality. The aetiologies of these potentially vaccine-preventable infections have not been well established in Cambodia. METHODS: We did a one year prospective study of children hospitalised with suspected CNS infection at Angkor Hospital for Children, Siem Reap. Cerebrospinal fluid specimens (CSF) samples underwent culture, multiplex PCR and serological analysis to identify a range of bacterial and viral pathogens...
December 29, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29280432/a-combined-syndromic-approach-to-examine-viral-bacterial-and-parasitic-agents-among-febrile-patients-a-pilot-study-in-kilombero-tanzania
#7
Christine Hercik, Leonard Cosmas, Ondari D Mogeni, Newton Wamola, Wanze Kohi, Eric Houpt, Jie Liu, Caroline Ochieng, Clayton Onyango, Barry Fields, Sayoki Mfinanga, Joel M Montgomery
The use of fever syndromic surveillance in sub-Saharan Africa is an effective approach to determine the prevalence of both malarial and nonmalarial infectious agents. We collected both blood and naso/oro-pharyngeal (NP/OP) swabs from consecutive consenting patients ≥ 1 year of age, with an axillary temperature ≥ 37.5°C, and symptom onset of ≤ 5 days. Specimens were analyzed using both acute febrile illness (AFI) and respiratory TaqMan array cards (TAC) for multiagent detection of 56 different bloodstream and respiratory agents...
December 26, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29278616/decreased-aom-with-treatment-failure-following-introduction-of-the-ten-valent-pneumococcal-haemophilus-influenzae-protein-d-conjugate-vaccine
#8
Elias Eythorsson, Birgir Hrafnkelsson, Helga Erlendsdóttir, Sigmar Atli Gudmundsson, Karl G Kristinsson, Ásgeir Haraldsson
BACKGROUND: Acute otitis media non-responsive to antibiotics is most commonly caused by antibiotic-resistant Streptococcus pneumoniae and Haemophilus influenzae. A strategy for treating these infections with parenteral ceftriaxone was adopted at The Children's Hospital Iceland. The 10-valent pneumococcal H. influenzae Protein D-conjugate vaccine (PHiD-CV10) was introduced into the vaccination program in Iceland in 2011. The aim was to study its effect on the incidence of AOM with treatment failure...
December 22, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29277475/subtractive-genome-analysis-for-in-silico-identification-and-characterization-of-novel-drug-targets-in-streptococcus-pneumonia-strain-jja
#9
Abdul Wadood, Alam Jamal, Muhammad Riaz, Ajmal Khan, Reaz Uddin, Musharraf Jelani, Syed Sikander Azam
Streptococcus pneumoniae (pneumococcus) is a Gram-positive bacterium. Humans are the major target for the pneumococcus. The pneumococcus is a common etiological agent of many different diseases such as bacterial meningitis, pneumonia, otitis media (OM), sinusitis, and conjunctivitis. According to the WHO, the pneumococcus is responsible for causing 1 million deaths each year. In 2000, over 14 million children worldwide under the age of 5 years were diagnosed with a pneumococcal disease, with the highest incidence seen in Africa...
December 22, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/29274470/serotype-distribution-antibiotic-resistance-pattern-and-molecular-characteristics-of-serogroup-6-streptococcus-pneumoniae-isolates-collected-from-chinese-children-before-the-introduction-of-pcv13
#10
Wei Shi, Kai Zhou, Lin Yuan, Qinghong Meng, Fang Dong, Wei Gao, Changhui Chen, Denian Wen, Kaihu Yao
OBJECTIVES: Streptococcus pneumoniae is an important pathogen in infectious diseases worldwide, and serogroup 6S. pneumoniae strains are very common in China. This study was to investigate the serotype distribution, antibiotic resistance pattern and molecular characteristics of 215 serogroup 6S. pneumoniae isolates collected from hospitalized children in China during 2013-2016. METHODS: Serotypes were determined using the Quellung reaction with antisera. Antibiotic resistance against 11 antimicrobials was tested using the E-test method or disc diffusion...
December 20, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29238454/phenotypic-and-genotypic-features-of-first-biofilm-forming-nasopharyngeal-colonized-streptococcus-pneumoniae-isolates
#11
Seyed Fazlollah Mousavi, Bahman Mirzaei, Bahareh Shaghaghi, Pantea Jalali, Tahereh Setayesh, Seyed Hamid Moosavi
Background and Objectives: Designing control and therapeutic policies for antibiotic resistant Streptococcus pneumoniae, which is an important causative agent of several invasive and noninvasive infectious diseases and its carriage rates, has been described as the main target in World Health Organization (WHO). The present study was conducted to determine antibiotic resistance pattern, evaluate biofilm forming ability in S. pneumoniae isolates, and find the genetic relationship between cultured strains...
August 2017: Iranian Journal of Microbiology
https://www.readbyqxmd.com/read/29237402/prevalence-and-serotype-distribution-of-nasopharyngeal-carriage-of-streptococcus-pneumoniae-in-china-a-meta-analysis
#12
Lin Wang, Jinjian Fu, Zhuoxin Liang, Jichang Chen
BACKGROUND: To explore the overall prevalence and serotype distribution of nasopharyngeal carriage of Streptococcus pneumoniae(S. pneumoniae) among healthy children. METHODS: A search for pneumococcal nasopharyngeal carriage studies including children published up to July 31th, 2016 was conducted to describe carriage in China. The review also describes antibiotic resistance in and serotypes of S. pneumoniae and assesses the impact of vaccination on carriage in this region...
December 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29236737/comparison-of-sequential-multiplex-pcr-sequetyping-and-whole-genome-sequencing-for-serotyping-of-streptococcus-pneumoniae
#13
Florian Mauffrey, Éric Fournier, Walter Demczuk, Irene Martin, Michael Mulvey, Christine Martineau, Simon Lévesque, Sadjia Bekal, Marc-Christian Domingo, Florence Doualla-Bell, Jean Longtin, Brigitte Lefebvre
Streptococcus pneumoniae is one of the major causes of pneumonia, meningitis and other pneumococcal infections in young children and elders. Determination of circulating S. pneumoniae serotypes is an essential service by public health laboratories for the monitoring of putative serotype replacement following the introduction of pneumococcal conjugate vaccines (PCVs) and of the efficacy of the immunization program. The Quellung method remains the gold standard for typing S. pneumoniae. Although this method is very effective, it is also costly, time consuming and not totally reliable due to its subjective nature...
2017: PloS One
https://www.readbyqxmd.com/read/29232664/vaccination-practices-in-pediatric-dialysis-patients-across-europe-a-european-pediatric-dialysis-working-group-and-european-society-for-pediatric-nephrology-dialysis-working-group-study
#14
Sevcan A Bakkaloğlu, Yesim Özdemir Atikel, Fabio Paglialonga, Constantinos J Stefanidis, Varvara Askiti, Enrico Vidal, Gema Ariceta, Engin Melek, Enrico Verrina, Nikoleta Printza, Karel Vondrak, Aleksandra Zurowska, Ilona Zagozdzon, Mesiha Ekim, Elif Nursel Özmert, Stephanie Dufek, Augustina Jankauskiene, Claus Peter Schmitt, Eszter Lévai, Johan Vande Walle, Nur Canpolat, Tuula Holtta, Michel Fischbach, Guenter Klaus, Christoph Aufricht, Rukshana Shroff, Alberto Edefonti
BACKGROUND: Data on the immunization practices in pediatric chronic kidney disease (CKD) patients are scarce. The purpose of this study was to evaluate current vaccination practices for children on dialysis across European pediatric nephrology centers. METHODS: A total of 18 tertiary pediatric nephrology centers from 12 European countries were included in the study. The data on universal national immunization programs and immunization practices for children with chronic disease or risk were recorded from European Center for Disease Prevention and Control and the World Health Organization...
December 12, 2017: Nephron
https://www.readbyqxmd.com/read/29227464/antibiotic-resistance-of-potential-otopathogens-isolated-from-nasopharyngeal-flora-of-children-with-acute-otitis-media-before-during-and-after-pneumococcal-conjugate-vaccines-implementation
#15
Alexis Rybak, Corinne Levy, Stéphane Bonacorsi, Stéphane Béchet, François Vié le Sage, Annie Elbez, Emmanuelle Varon, Robert Cohen
BACKGROUNDL: To re-evaluate antibiotic strategies for acute otitis media (AOM) in young children, we analyzed the trends of nasopharyngeal carriage and antibiotic resistance of Streptococcus pneumoniae (Sp), Haemophilus influenzae (Hi) and Moraxella catarrhalis (Mc) isolated from young children with AOM during a 16-year period. METHODS: This cross-sectional study analyzed from 2001 to 2016, the nasopharyngeal carriage of Sp, Hi and Mc of young children with AOM...
December 8, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29221826/trends-of-invasive-pneumococcal-disease-and-its-serotypes-in-the-autonomous-community-of-madrid
#16
Pello Latasa Zamalloa, Juan Carlos Sanz Moreno, María Ordobás Gavín, María Dolores Barranco Ordoñez, Esther Insúa Marisquerena, Ángel Gil de Miguel, Abelardo Claudio Fernández Chávez, Luis García-Comas
INTRODUCTION: Streptococcus pneumoniae is an important cause of morbidity. Vaccination is the most effective measure to prevent it. The aim of this study is to analyse the evolution of invasive pneumococcal disease (IPD). MATERIAL AND METHODS: Observational study of IPD cases notified to the Epidemiological Surveillance Network of the Autonomous Community of Madrid between 2008 and 2015. The IPD case was defined as the disease caused by Streptococcus pneumoniae, with isolation and DNA or antigen detection, in samples from normally sterile sites...
December 5, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29215596/rsv-infection-in-human-macrophages-promotes-cxcl10-ip-10-expression-during-bacterial-co-infection
#17
Daniela Machado, Jonathan Hoffmann, Marie Moroso, Manuel Rosa-Calatrava, Hubert Endtz, Olivier Terrier, Glaucia Paranhos-Baccalà
Respiratory syncytial virus (RSV), a major etiologic agent of acute lower respiratory infection constitutes the most important cause of death in young children worldwide. Viral/bacterial mixed infections are related to severity of respiratory inflammatory diseases, but the underlying mechanisms remain poorly understood. We have previously investigated the intracellular mechanisms that mediate the immune response in the context of influenza virus/Streptococcus pneumoniae (Sp) co-infection using a model of human monocyte-derived macrophages (MDMs)...
December 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29207958/bloodstream-infections-at-a-tertiary-level-paediatric-hospital-in-south-africa
#18
Harsha Lochan, Vashini Pillay, Colleen Bamford, James Nuttall, Brian Eley
BACKGROUND: Bloodstream infection (BSI) in children causes significant morbidity and mortality. There are few studies describing the epidemiology of BSI in South African children. METHODS: A retrospective descriptive cohort study was conducted at a paediatric referral hospital in Cape Town, South Africa. The National Health Laboratory Service (NHLS) microbiology database was accessed to identify positive blood culture specimens during the period 2011-2012. Demographic and clinical details, antimicrobial management and patient outcome information were extracted from medical and laboratory records...
December 6, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29207796/clinico-aetiological-study-of-severe-and-very-severe-pneumonia-in-two-months-to-five-years-children-in-a-tertiary-health-care-centre-in-odisha-india
#19
Jyotiranjan Champatiray, Jyotiranjan Satapathy, Baikunthanath Kashyap, Dipankar Mondal
Introduction: Pneumonia is a major cause of mortality under five-year-old children. In spite of recent advances in management, there is paucity of data on clinical, aetiological profile of severe and very severe pneumonia among under five-year-old children in developing countries. Aim: To determine the clinico-aetiological factors of severe and very severe pneumonia and its outcome in children aged two -months to five-years in a tertiary health care centre in Odisha, India...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29207725/rapid-and-accurate-diagnosis-of-acute-pyogenic-meningitis-due-to-streptococcus-pneumoniae-haemophilus-influenzae-type-b-and-neisseria-meningitidis-using-a-multiplex-pcr-assay
#20
Rajeev Seth, Peela Sree Ramchandra Murthy, Sujatha Sistla, Mahadevan Subramanian, Kadhiravan Tamilarasu
Introduction: Acute bacterial meningitis is one of the major causes of morbidity and mortality in children and geriatric population, especially in developing countries. Methods of identification are standard culture and other phenotypic tests in many resource poor settings. Aim: To use molecular methods for the improvement of aetiological diagnosis of acute pyogenic meningitis in patients. Materials and Methods: CSF samples of 125 patients were included for the study...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
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