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Pneumococcal meningitis

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https://www.readbyqxmd.com/read/29322063/neurological-sequelae-of-adult-meningitis-in-africa-a-systematic-literature-review
#1
REVIEW
Drew W Goldberg, Mark W Tenforde, Hannah K Mitchell, Joseph N Jarvis
The high human immunodeficiency virus (HIV) prevalence in sub-Saharan Africa has markedly changed the epidemiology and presentation of adult meningitis. We conducted a systematic review using PubMed, Embase, Ovid, CENTRAL, and African Index Medicus to identify studies in Africa with data on neurological outcomes in adults after meningitis. We found 22 articles meeting inclusion criteria. From 4 studies with predominately pneumococcal meningitis, a median of 19% of survivors experienced hearing loss up to 40 days...
January 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29290234/bacterial-meningitis-antibiotic-treatment
#2
R Cohen, J Raymond, L Hees, D Pinquier, E Grimprel, C Levy
The implementation of pneumococal conjugate vaccines (PCVs) 7 then 13 valent (Prevenar13®) in 2010-2011 has significantly changed the profile of pneumococcal meningitis. Since 3 years, the National Pediatric Meningitis Network of the Pediatric Infectious Disease Group (GPIP) and the National Reference Centre of Pneumococci have reported no cases of meningitis due to pneumococcus resistant to third-generation cephalosporins (3GC): cefotaxime or ceftriaxone. In the light of these new data, vancomycin should no longer be prescribed at the initial phase of pneumococcal meningitis treatment (confirmed or only suspected) and this antibiotic should only be added when 3GC minimum inhibitory concentration of the strain isolated is greater than 0...
December 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/29277475/subtractive-genome-analysis-for-in-silico-identification-and-characterization-of-novel-drug-targets-in-streptococcus-pneumonia-strain-jja
#3
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/29258705/invasive-pneumococcal-disease-in-children-under-16%C3%A2-years-of-age-incomplete-rebound-in-incidence-after-the-maximum-effect-of-pcv13-in-2012-13-in-germany
#4
Raphael Weinberger, Rüdiger von Kries, Mark van der Linden, Thorsten Rieck, Anette Siedler, Gerhard Falkenhorst
OBJECTIVE: To identify a potential nadir of the impact of pneumococcal conjugate vaccination (PCV) in infancy on invasive pneumococcal diseases (IPD) in children under 16 in Germany. METHODS: Active surveillance on IPD based on two independent data sources with capture-recapture correction for underreporting. Annual incidence rates by age group, serotypes, site of infection, and relative incidence reduction compared to pre-vaccination period (1997-2001) at nadir and for the most recent season are reported...
December 16, 2017: Vaccine
https://www.readbyqxmd.com/read/29236737/comparison-of-sequential-multiplex-pcr-sequetyping-and-whole-genome-sequencing-for-serotyping-of-streptococcus-pneumoniae
#5
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/29233148/dna-repair-protein-ape1-is-involved-in-host-response-during-pneumococcal-meningitis-and-its-expression-can-be-modulated-by-vitamin-b6
#6
Leonam G Coutinho, Ana Helena Sales de Oliveira, Matthias Witwer, Stephen L Leib, Lucymara F Agnez-Lima
BACKGROUND: The production of reactive oxygen species (ROS) during pneumococcal meningitis (PM) leads to severe DNA damage in the neurons and is the major cause of cell death during infection. Hence, the use of antioxidants as adjuvant therapy has been investigated. Previous studies have demonstrated the possible participation of apurinic/apyrimidinic endonuclease (APE1) during PM. The aims of this study were to investigate the APE1 expression in the cortical and hippocampal tissues of infant Wistar rats infected with Streptococcus pneumoniae and its association with cell death and understand the role of vitamin B6 (vitB6) as a protective factor against cell death...
December 12, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29201129/cerebral-vasculitis-in-a-case-of-meningitis
#7
Devdeep Mukherjee, Agnisekhar Saha
Cerebral vasculitis is a serious complication of meningitis with Streptococcus pneumoniae. We report a 5 yr old girl who was admitted in May 2015 at Fortis Hospital, Kolkata, India and was diagnosed to have pneumococcal meningitis with vasculitis on DWMRI within a week of onset of fever. She was given high dose of methyl-prednisolone simultaneously with antibiotics and successfully treated without any neuro-sequelae. Although vasculitis has been documented to develop as sequelae to bacterial meningitis usually in the second week, our patient had an early presentation...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/29200666/prevention-of-memory-impairment-and-neurotrophic-factors-increased-by-lithium-in-wistar-rats-submitted-to-pneumococcal-meningitis-model
#8
Lutiana R Simões, Roberta R E S Abreu, Jaqueline S Generoso, Jéssica A Goularte, Allan Collodel, Vijayasree Vayalanellore Giridharan, Anitha Christy Sigamani Arumanayagam, Samira S Valvassori, João Quevedo, Tatiana Barichello
The aim of this study was to investigate the effects of lithium on brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and glial cell line-derived neurotrophic factor (GDNF) expression in the hippocampus and on memory in experimental pneumococcal meningitis. The mood-stabilizer lithium is known as a neuroprotective agent with many effects on the brain. In this study, animals received either artificial cerebrospinal fluid or Streptococcus pneumoniae suspension at a concentration of 5 × 109 CFU/mL...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/29186449/the-thyroid-hormone-inactivating-type-3-deiodinase-is-essential-for-optimal-neutrophil-function-observations-from-3-species
#9
Anne H van der Spek, Kin Ki Jim, Aldona Karaczyn, Hermina C van Beeren, Mariëtte T Ackermans, Veerle M Darras, Christina M J E Vandenbroucke-Grauls, Arturo Hernandez, Matthijs C Brouwer, Eric Fliers, Diederik van de Beek, Anita Boelen
Neutrophils are essential effector cells of the innate immune system that have recently been recognized as thyroid hormone (TH) target cells. Cellular TH bioavailability is regulated by the deiodinase enzymes, which can activate or inactivate TH. We have previously shown that the TH inactivating enzyme type 3 deiodinase (D3) is present in neutrophils. Furthermore, D3KO mice show impaired bacterial killing upon infection. We hypothesized that D3 plays a role in neutrophil function during infection by actively regulating local TH availability...
November 24, 2017: Endocrinology
https://www.readbyqxmd.com/read/29185625/unusual-warfarin-dose-to-achieve-therapeutic-inr-in-a-4-month-old-child-non-genetics-risk-factors-are-still-a-challenge
#10
Lucas Miyake Okumura, Giovanna Webster Negretto, Clarissa Gutiérrez Carvalho
OBJECTIVE: To report a case of a 4-month old girl that required 0.7 mg/kg/day (5 mg) of warfarin and discuss relevant risk factors for requiring higher doses. CASE DESCRIPTION: In November 2015, a 5 kg female infant (36-week preterm) was admitted to the hospital due to status epilepticus and fever. Diazepam, phenytoin and ceftriaxone were prescribed. Cerebrospinal fluid contained 7 leukocytes, 150 mg/dL proteins, 1 mg/dL glucose and gram positive cocci were observed...
October 2017: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/29179982/paediatric-invasive-pneumococcal-disease-on-the-island-of-gran-canaria-16-year-prospective-study-2001-2016
#11
Milagrosa Santana Hernández, Ione Ahedey Aguiar-Santana, Fernando Artiles Campelo, Elena Colino Gil
OBJECTIVES: To calculate the incidence of invasive pneumococcal disease (IPD) in the paediatric population of Gran Canaria (Spain), its clinical and epidemiological characteristics, serotype distribution, antibiotic resistance, and variations in these variables before and after the introduction of the PCV13 vaccine. METHODS: Prospective hospital-based study including all patients (190) aged 0-14 years admitted with confirmed IPD between January 2001-May 2010 (152 cases) and June 2010-December 2016 (38 cases)...
November 24, 2017: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/29176349/epidemiology-of-community-acquired-bacterial-meningitis
#12
Matthijs C Brouwer, Diederik van de Beek
PURPOSE OF REVIEW: The epidemiology of bacterial meningitis has been dynamic in the past 30 years following introduction of conjugated vaccines against Haemophilus influenzae type B, Streptococcus pneumoniae and Neisseria meningitidis. The purpose of this review is to describe recent developments in bacterial meningitis epidemiology. RECENT FINDINGS: The incidence of bacterial meningitis in Western countries (Finland, Netherlands, and the United States) gradually declined by 3-4% per year to 0...
February 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29172941/reporting-of-adverse-events-following-immunizations-in-ghana-using-disproportionality-analysis-reporting-ratios
#13
Daniel N A Ankrah, Delese M Darko, George Sabblah, Aukje Mantel-Teeuwisse, Hubert M G Leufkens
BACKGROUND: Timely reporting of safety information post vaccination is pivotal for the success of any vaccination program. Reports of adverse events following immunization (AEFI) of 6 different vaccinations from Ghana were analysed for signals. METHODS: De-identified data from active surveillance for AEFIs after 2009 AH1N1 influenza, yellow fever, meningitis, measles-rubella, pneumococcal-rotavirus and human papilloma virus vaccinations were used. All vaccinations occurred between January 2010 and December 2013...
November 27, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29170119/adult-patients-with-pneumococcal-meningitis-at-a-neurosurgical-neurological-center-different-predisposing-conditions
#14
Lucero de María Ugalde-Mejía, Veronica Angeles Morales, Graciela Cárdenas, Jose Luis Soto-Hernández
BACKGROUND: In previous studies of pneumococcal meningitis in adults within general hospitals or national cohorts, the most common predisposing conditions are otitis media, sinusitis, pneumonia, immunosuppression, alcoholism, and diabetes. The epidemiology of pneumococcal meningitis is changing due to the use of vaccines in childhood, and antibiotic resistance has increased. METHODS: We retrospectively reviewed the cases of patients with diagnosis of pneumococcal meningitis proved by an inflammatory CSF with a positive culture, treated during a period of 14 years at an adult neurosurgical neurological reference center...
November 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29149266/association-between-prior-antibiotic-therapy-and-subsequent-risk-of-community-acquired-infections-a-systematic-review
#15
Umer Malik, David Armstrong, Mark Ashworth, Alex Dregan, Veline L'Esperance, Lucy McDonnell, Mariam Molokhia, Patrick White
Background: Antibiotic use can have negative unintended consequences including disruption of the human microbiota, which is thought to protect against pathogen overgrowth. We conducted a systematic review to assess whether there is an association between exposure to antibiotics and subsequent risk of community-acquired infections. Methods: We searched MEDLINE, EMBASE and Web of Science for studies published before 30 June 2017, examining the association between antibiotic use and subsequent community-acquired infection...
November 14, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29119707/impaired-expression-of-cxcl5-and-matrix-metalloproteinases-in-the-lungs-of-mice-with-high-susceptibility-to-streptococcus-pneumoniae-infection
#16
Rubia I Mancuso, Eliane N Miyaji, Cristiane C F Silva, Fernanda V Portaro, Alessandra Soares-Schanoski, Orlando G Ribeiro, Maria Leonor S Oliveira
INTRODUCTION: Streptococcus pneumoniae colonizes the nasopharynx of healthy individuals establishing a commensal relationship with the host. In some conditions, bacteria invade the lower respiratory tract and innate immune responses are crucial to avoid diseases such as pneumonia, sepsis, or meningitis. METHODS: Here, we compared the susceptibility to pneumococcal respiratory infection of two outbred mouse lines, AIRmin and AIRmax, selected for low or high acute inflammatory responses, respectively...
November 9, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29104430/pitfalls-in-the-diagnosis-and-management-of-invasive-pneumococcal-meningoencephalitis-what-we-can-learn-from-a-case
#17
Pascale S Grzonka, Raoul Sutter
Invasive pneumococcal meningitis is a life-threatening infectious disease affecting the central nervous system. It continues to be the most common type of community-acquired acute bacterial meningitides. Despite advances in neuro-critical care, the case fatality rate remains high. Rapid diagnosis and initiation of antibiotic therapy precludes mortality and long-term neurological sequelae in survivors. However, not all cases are easily recognised, and unanticipated complications may impede optimal course and outcome...
2017: Clinical Medicine Insights. Case Reports
https://www.readbyqxmd.com/read/29096648/inhibition-of-damp-signaling-as-an-effective-adjunctive-treatment-strategy-in-pneumococcal-meningitis
#18
Ilias Masouris, Matthias Klein, Susanne Dyckhoff, Barbara Angele, H W Pfister, Uwe Koedel
BACKGROUND: Pneumococcal meningitis remains a potentially lethal and debilitating disease, mainly due to brain damage from sustained inflammation. The release of danger-associated molecular patterns (DAMPs), like myeloid-related protein 14 (MRP14) and high mobility group box 1 protein (HMGB1), plays a major role in persistence of inflammation. In this study, we evaluated if paquinimod, an MRP14-inhibitor, and an anti-HMGB1 antibody can improve clinical outcome as adjunctive therapeutics in pneumococcal meningitis...
November 2, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29095719/novel-and-preclinical-treatment-strategies-in-pneumococcal-meningitis
#19
Jan P Bewersdorf, Denis Grandgirard, Uwe Koedel, Stephen L Leib
PURPOSE OF REVIEW: Pneumococcal meningitis is the most frequent form of bacterial meningitis in Europe and the United States. Although early antimicrobial and adjuvant therapy with dexamethasone have helped to improve disease outcome in adults, mortality and morbidity rates remain unsatisfactorily high, emphasizing the need for additional treatment options. Promising targets for adjuvant therapy have been identified recently and will be the focus of this review. RECENT FINDINGS: Brain disease in pneumococcal meningitis is caused by direct bacterial toxicity and excessive meningeal inflammation...
February 2018: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29081366/central-nervous-system-infections-in-the-absence-of-cerebrospinal-fluid-pleocytosis
#20
Hakan Erdem, Derya Ozturk-Engin, Yasemin Cag, Seniha Senbayrak, Asuman Inan, Esra Kazak, Umit Savasci, Nazif Elaldi, Haluk Vahaboglu, Rodrigo Hasbun
Previous multicenter/multinational studies were evaluated to determine the frequency of the absence of cerebrospinal fluid pleocytosis in patients with central nervous system infections, as well as the clinical impact of this condition. It was found that 18% of neurosyphilis, 7.9% of herpetic meningoencephalitis, 3% of tuberculous meningitis, 1.7% of Brucella meningitis, and 0.2% of pneumococcal meningitis cases did not display cerebrospinal fluid pleocytosis. Most patients were not immunosuppressed. Patients without pleocytosis had a high rate of unfavorable outcomes and thus this condition should not be underestimated...
November 10, 2017: International Journal of Infectious Diseases: IJID
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