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Meningitis in children

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https://www.readbyqxmd.com/read/28334198/molecular-mechanisms-involved-in-the-interaction-of-neisseria-meningitidis-with-cells-of-the-human-blood-cerebrospinal-fluid-barrier
#1
Alexandra Schubert-Unkmeir
Neisseria meningitidis is one of the most common aetiological agents of bacterial meningitis, affecting predominantly children and young adults. The interaction of N. meningitidis with human endothelial cells lining blood vessels of the blood-cerebrospinal-fluid barrier (B-CSFB) is critical for meningitis development. In recent decades, there has been a significant increase in understanding of the molecular mechanisms involved in the interaction of N. meningitidis with brain vascular cells. In this review, we will describe how N...
March 3, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28333320/cross-resistance-to-lincosamides-streptogramins-a-and-pleuromutilins-in-streptococcus-agalactiae-isolates-from-the-usa
#2
Paulina A Hawkins, Caitlin S Law, Benjamin J Metcalf, Sopio Chochua, Delois M Jackson, Lars F Westblade, Robert Jerris, Bernard W Beall, Lesley McGee
Background: Streptococcus agalactiae (Group B Streptococcus, GBS) is a leading cause of meningitis, sepsis and pneumonia in neonates in the United States. GBS also causes invasive disease in older infants, pregnant women, children and young adults with underlying medical conditions, and older adults. Resistance to lincosamides in the absence of erythromycin resistance is rare in GBS, but has been previously reported in clinical isolates, both on its own or in combination with resistance to streptogramins A and pleuromutilins (L/LSA/LSAP phenotypes)...
March 13, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28320174/etiological-agents-of-viral-meningitis-in-children-from-a-dengue-endemic-area-southeast-region-of-brazil
#3
Danilo B de Oliveira, Talitah M Candiani, Ana Paula M Franco-Luiz, Gabriel M F Almeida, Jônatas S Abrahão, Maria Rios, Roney S Coimbra, Erna G Kroon
Meningitis is a disease with a global distribution that constitutes a worldwide burden, with viruses as the primary etiologic agents. The range of viral meningitis severity depends mainly on age, immune status and etiological agent. The aim of this work was to investigate the suspected cases of viral meningitis using molecular techniques to confirm the viral infection. The diagnosed virus was correlated with clinical findings and cytochemical parameters in cerebrospinal liquid (CSF) of patients. CSF of 70 children with the presumptive diagnosis of viral meningitis was analyzed by real time PCR (qPCR)...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28320142/ventriculo-peritoneal-shunt-surgery-for-tuberculous-meningitis-a-systematic-review
#4
Imran Rizvi, Ravindra Kumar Garg, Hardeep Singh Malhotra, Neeraj Kumar, Eesha Sharma, Chhitij Srivastava, Ravi Uniyal
BACKGROUND: Ventriculo-peritoneal shunt surgery is one of the most commonly performed surgery for the management of tuberculous hydrocephalus. There is decreased clarity on issues regarding the indication as well as timing of cerebrospinal fluid diversion procedures in tuberculous meningitis. We systematically analysed published literature on this subject with an objective to assess the value of cerebrospinal fluid diversion procedures in tuberculous meningitis. METHODS: A systematic search of literature was performed using PubMed, Scopus, and Cochrane Central Register of Controlled Trials (CENTRAL) for articles published till August 2016...
April 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28318769/impact-of-meningococcal-c-conjugate-vaccination-four-years-after-introduction-of-routine-childhood-immunization-in-brazil
#5
Ana Lucia Andrade, Ruth Minamisava, Lisia Moura Tomich, Ana Paula Lemos, Maria Cecilia Gorla, Maria Cristina de Cunto Brandileone, Carla Madga S Domingues, Camile de Moraes, Gabriela Policena, Ana Luiza Bierrenbach
BACKGROUND: Routine infant immunization with meningococcal C conjugate (MCC) vaccination started in Brazil in November 2010, scheduled at three and five months plus a booster at 12-15months of age. No catch-up was implemented. We assessed the impact of vaccination on meningococcal C disease (MenC) four years after vaccination start in the National Immunization Program. METHODS: We performed an ecological quasi-experimental design from 2008 to 2014 using a deterministic linkage between the National Notification and the National Reference Laboratory databases for meningitis...
March 15, 2017: Vaccine
https://www.readbyqxmd.com/read/28318182/pneumococcal-meningitis-in-cantabria-spain-in-the-pneumococcal-conjugate-vaccine-era-2001-2015
#6
Esther González-Escartín, Itziar Angulo López, Elsa Ots Ruiz, Luis Martínez-Martínez, María J Cabero Pérez
OBJECTIVE: To analyze the characteristics of pneumococcal meningitis in children ≤ 14 years old following the market introduction of pneumococcal conjugate vaccines in our community. METHODS: Retrospective study of pneumococcal meningitis cases with a two-period analysis: pre-13-valent pneumococcal conjugate vaccine (PCV13) (2001-2010) and post-PCV13 (2010-2015). Patient demographic and clinical data, and microbiological data were collected. RESULTS: Eighteen cases were diagnosed...
April 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28306338/the-epidemiology-of-childhood-salmonella-infections-in-alberta-canada
#7
Kate E Faulder, Kimberley Simmonds, Joan L Robinson
OBJECTIVES: The objectives were to describe the incidence, demographics, laboratory findings, and suspected sources of childhood Salmonella infections in Alberta, Canada, with a focus on preventable cases. METHODS: Data from Notifiable Disease Reports for children with nontyphoidal salmonellosis (NTS) or typhoid/paratyphoid fever from 2007 through 2015 were analyzed. RESULTS: NTS was detected from 2285 children. Bacteremia was documented in 55 cases (2...
March 17, 2017: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/28303609/pathological-analysis-of-children-with-childhood-central-nervous-system-infection-based-on-changes-in-chemokines-and-interleukin-17-family-cytokines-in-cerebrospinal-fluid
#8
Shinichiro Morichi, Tomomi Urabe, Natsumi Morishita, Mika Takeshita, Yu Ishida, Shingo Oana, Gaku Yamanaka, Yasuyo Kashiwagi, Hisashi Kawashima
BACKGROUND: In this study, the pathologies of acute meningitis and encephalopathy were investigated, and biomarkers useful as prognostic indices were searched for. METHODS: The subjects were 31 children with meningitis, 30 with encephalopathy, and 12 with convulsions following gastroenteritis. Control group consisted of 24 children with non-central nervous system infection. Cerebrospinal fluid cytokine analysis was performed. RESULTS: Chemokines significantly increased in the bacterial meningitis group compared with those in viral meningitis and encephalopathy groups...
March 17, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28301990/risk-factors-for-community-acquired-bacterial-meningitis
#9
Lene Fogt Lundbo, Thomas Benfield
BACKGROUND: Bacterial meningitis is a significant burden of disease and mortality in all age groups worldwide despite the development of effective conjugated vaccines. The pathogenesis of bacterial meningitis is based on complex and incompletely understood host-pathogen interactions. Some of these are pathogen-specific, while some are shared between different bacteria. METHODS: We searched the database PubMed to identify host risk factors for bacterial meningitis caused by the pathogens Streptococcus pneumoniae, Neisseria meningitidis and Haemophilus influenzae type b, because they are three most common causative bacteria beyond the neonatal period...
June 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28298206/burden-and-spectrum-of-bacterial-infections-among-sickle-cell-disease-children-living-in-cameroon
#10
Anastasie Nicole Alima Yanda, Jobert Richie N Nansseu, Hubert Désiré Mbassi Awa, Sandra A Tatah, Judith Seungue, Charlotte Eposse, Paul Olivier N Koki
BACKGROUND: Although sickle cell disease (SCD) children are highly susceptible to bacterial infections (BIs), there is a dreadful lack of data related to the burden and spectrum of BIs in sub-Saharan Africa (SSA), the highest affected region with SCD. This study aimed to determine the burden and spectrum of BIs among SCD children hospitalized in a pediatric reference hospital in Cameroon, a SSA country. METHODS: We conducted a retrospective analysis of records of children hospitalized from November 2012 to August 2015 in the SCD unit of the Mother and Child Centre of the Chantal Biya Foundation, Cameroon...
March 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28284682/childhood-pneumococcal-disease-in-africa-a-systematic-review-and-meta-analysis-of-incidence-serotype-distribution-and-antimicrobial-susceptibility
#11
REVIEW
Pui-Ying Iroh Tam, Beth K Thielen, Stephen K Obaro, Ann M Brearley, Alexander M Kaizer, Haitao Chu, Edward N Janoff
BACKGROUND: Determining the incidence, disease-associated serotypes and antimicrobial susceptibility of invasive pneumococcal disease (IPD) among children in Africa is essential in order to monitor the impact of these infections prior to widespread introduction of the pneumococcal conjugate vaccine (PCV). METHODS: To provide updated estimates of the incidence, serotype distribution, and antimicrobial susceptibility profile of Streptococcus pneumoniae causing disease in Africa, we performed a systematic review of articles published from 2000 to 2015 using Ovid Medline and Embase...
March 8, 2017: Vaccine
https://www.readbyqxmd.com/read/28282701/vitamin-a-supplementation-for-preventing-morbidity-and-mortality-in-children-from-six-months-to-five-years-of-age
#12
REVIEW
Aamer Imdad, Evan Mayo-Wilson, Kurt Herzer, Zulfiqar A Bhutta
BACKGROUND: Vitamin A deficiency (VAD) is a major public health problem in low- and middle-income countries, affecting 190 million children under five years of age and leading to many adverse health consequences, including death. Based on prior evidence and a previous version of this review, the World Health Organization has continued to recommend vitamin A supplementation for children aged 6 to 59 months. There are new data available from recently published randomised trials since the previous publication of this review in 2010, and this update incorporates this information and reviews the evidence...
March 11, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28281441/miliary-tuberculosis
#13
Surendra K Sharma, Alladi Mohan
Miliary tuberculosis (TB) results from a massive lymphohematogenous dissemination of Mycobacterium tuberculosis bacilli and is characterized by tiny tubercles evident on gross pathology resembling millet seeds in size and appearance. The global HIV/AIDS pandemic and widespread use of immunosuppressive drugs and biologicals have altered the epidemiology of miliary TB. Considered to be predominantly a disease of infants and children in the pre-antibiotic era, miliary TB is increasingly being encountered in adults as well...
March 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28275080/impact-of-a-rapid-herpes-simplex-virus-pcr-assay-on-duration-of-acyclovir-therapy
#14
Tam T Van, Kanokporn Mongkolrattanothai, Melissa Arevalo, Maryann Lustestica, Jennifer Dien Bard
Herpes simplex virus (HSV) infection of the central nervous system (CNS) is associated with significant morbidity and mortality in children. This study assessed the impact of a direct HSV (dHSV) PCR assay on time to result and duration of acyclovir therapy in children with signs and symptoms of meningitis and encephalitis. A total of 363 patients with HSV PCR on CSF were included in this retrospective analysis, divided into the pre- and post-implementation groups. The pre-implementation arm included CSF testing performed using a laboratory-developed real-time PCR assay and the post-implementation group consisted of CSF samples tested using a direct sample-to-answer assay...
March 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28264021/antimicrobial-use-in-paediatric-patients-in-a-teaching-hospital-in-ethiopia
#15
Hafte Kahsay Kebede, Hailay Abrha Gesesew, Tewodros Eyob Woldehaimanot, Kabaye Kumela Goro
BACKGROUND: Antibiotics use in in children are different from adults due to a lack of data on pharmacokinetics, pharmacodynamics, efficacy and safety of drugs, different physiological spectrum, pediatrics populations being vulnerable to the majority of the illnesses, and the adverse effect of their irrational use is more serious. However, antibiotic use is not explored much in a paediatric population. The current study focused on antibiotic use among pediatric population using data from a tertiary hospital in Ethiopia...
2017: PloS One
https://www.readbyqxmd.com/read/28263245/the-treatment-of-possible-severe-infection-in-infants-an-open-randomized-safety-trial-of-parenteral-benzylpenicillin-and-gentamicin-versus-ceftriaxone-in-infants-60-days-of-age-in-malawi
#16
Elizabeth M Molyneux, Queen Dube, Francis Banda, Msandeni Chiume, Isaac Singini, Macpherson Mallewa, Edward C Schwalbe, Robert S Heyderman
BACKGROUND: The World Health Organization recommends benzylpenicillin and gentamicin as antimicrobial treatment of infants with sepsis in low income settings (LICs), and ceftriaxone or cefotaxime as an alternative. In a meta-analysis from 13 LICs, Staphylococcus aureus, Klebsiella spp. and E.coli accounted for 55% of infants with sepsis. In a review of bacterial meningitis, resistance to third generation cephalosporins was >50% of all isolates, and 44% of Gram-negative isolates were gentamicin resistant...
February 28, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28259480/do-all-children-who-present-with-a-complex-febrile-seizure-need-a-lumbar-puncture
#17
Romain Guedj, Hélène Chappuy, Luigi Titomanlio, Loic De Pontual, Sandra Biscardi, Gisèle Nissack-Obiketeki, Béatrice Pellegrino, Oussama Charara, François Angoulvant, Julien Denis, Corinne Levy, Robert Cohen, Solène Loschi, Pierre Louis Leger, Ricardo Carbajal
STUDY OBJECTIVE: We assess the prevalences of bacterial meningitis and herpes simplex virus meningoencephalitis (HSV-ME) in children with a complex febrile seizure and determine these prevalences in the subgroup of children with a clinical examination result not suggestive of meningitis or encephalitis. METHODS: This multicenter retrospective study was conducted in 7 pediatric emergency departments (EDs) in the region of Paris, France. Visits of patients aged 6 months to 5 years for a complex febrile seizure from January 2007 to December 2011 were analyzed...
March 1, 2017: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/28247153/group-b-streptococcal-pcr-testing-in-comparison-to-culture-for-diagnosis-of-late-onset-bacteraemia-and-meningitis-in-infants-aged-7-90-days-a-multi-centre-diagnostic-accuracy-study
#18
S M Morrissey, M Nielsen, L Ryan, H Al Dhanhani, M Meehan, S McDermott, N O'Sullivan, M Doyle, P Gavin, N O'Sullivan, R Cunney, R J Drew
The aim of this study was to compare an in-house real-time PCR assay, with bacterial culture as the reference, for the diagnosis of late onset group B Streptococcal (GBS) disease. This was a retrospective review. All children aged 7-90 days presenting to four paediatric centres that had a blood or CSF sample tested by GBS PCR were included. Of 7,686 blood and 2,495 cerebrospinal fluid (CSF) samples from patients of all ages received for PCR testing, 893 and 859 samples were eligible for the study, respectively...
March 1, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28225788/molecular-detection-and-genotyping-of-enteroviruses-from-csf-samples-of-patients-with-suspected-sepsis-like-illness-and-or-aseptic-meningitis-from-2012-to-2015-in-west-bank-palestine
#19
Kamal Dumaidi, Amer Al-Jawabreh
BACKGROUND: Human enteroviruses (HEVs) are the most frequently reported cause of aseptic meningitis with or without CSF pleocytosis in childhood. Rapid detection and genotype of HEVs is essential to determine the causative agent and variant causing sepsis-like illness and/or aseptic meningitis. AIM: To investigate the molecular epidemiology of enteroviruses (EVs) among patients with sepsis-like illness and/or aseptic meningitis admitted to three major hospitals in West Bank, Palestine from 2012 to 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28224092/language-and-cognitive-outcome-for-high-risk-neonates-at-the-age-of-2-3-years-experience-from-an-arab-country
#20
Tamer Abou-Elsaad, Hesham Abdel-Hady, Hemmat Baz, Doaa ElShabrawi
AIM: To investigate the effect of different neonatal risk factors on different language parameters as well as cognitive abilities among Arabic speaking Egyptian children at the age of two to three years of life and to find out which risk factor(s) had the greatest impact on language and cognitive abilities. METHODS: This retrospective cohort study was conducted on 103 children with age range of 2-3 years (median age 31 mo). They were 62 males and 41 females who were exposed to different high-risk factors in the perinatal period, with exclusion of metabolic disorders, sepsis/meningitis, congenital anomalies and chromosomal aberrations...
February 8, 2017: World Journal of Clinical Pediatrics
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