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Meningitis

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https://www.readbyqxmd.com/read/28534037/otogenic-meningitis-a-comparison-of-diagnostic-performance-of-surgery-and-radiology
#1
Luca Bruschini, Simona Fortunato, Carlo Tascini, Annalisa Ciabotti, Alessandro Leonildi, Belinda Bini, Simone Giuliano, Arturo Abbruzzese, Stefano Berrettini, Francesco Menichetti
Development of intracranial complications from middle ear infections might be difficult to diagnose. We compared radiological and surgical findings of 26 patients affected by otogenic meningitis. Results of our analysis showed that surgery is more reliable than imaging in revealing bone defects. Therefore, suggest that surgery be performed for diagnosis and eventual management of all cases of suspected otogenic meningitis.
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28533989/iatrogenic-spinal-subdural-extra-arachnoid-hygroma-following-uncomplicated-lumbar-decompression
#2
Benjamin D Elder, Wataru Ishida, Rory C Goodwin, Ali Bydon
Intradural spinal arachnoid cysts (ISACs) have been reported in the current literature as either an idiopathic disease or exceedingly rare sequelae after lumbar puncture, spinal trauma, or meningitis. Other studies have more appropriately termed the iatrogenic pathology as a spinal subdural extra-arachnoid hygroma (SSEH), as there is not often a clear cyst wall as in a true arachnoid cyst. However, to the best of our knowledge, none of the previous studies described an SSEH following uncomplicated posterior lumbar surgery, as they have previously involved clear durotomies during the initial operation...
April 17, 2017: Curēus
https://www.readbyqxmd.com/read/28533829/clinical-analysis-of-aqueductal-stenosis-in-patients-with-hydrocephalus-in-a-kenyan-setting
#3
Loyal Poonamjeet Kaur, Nderitu Joseph Munyiri, Wekesa Vincent Dismus
INTRODUCTION: Aqueductal stenosis is the commonest cause of congenital hydrocephalus. The scope of this paper is to highlight the disease burden of hydrocephalus attributed to aqueductal stenosis which still remains unknown in our setting. METHODS: In a descriptive cross-sectional study, 258 records of patients diagnosed with hydrocephalus were analyzed after ethical approval from Kenyatta National Hospital- University of Nairobi (KNH-UON) ethics and research committee from January 2010 to May 2016...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28532981/comparing-laboratory-surveillance-with-the-notifiable-diseases-surveillance-system-in-south-africa
#4
F G Benson, A Musekiwa, L Blumberg, L C Rispel
OBJECTIVE: The aim of this study was to compare laboratory surveillance with the notifiable diseases surveillance system (NDSS) in South Africa. METHODS: Data on three tracer notifiable diseases - measles, meningococcal meningitis, and typhoid - were compared to assess data quality, stability, representativeness, sensitivity and positive predictive value (PPV), using the Wilcoxon and Chi-square tests, at the 5% significance level. RESULTS: For all three diseases, fewer cases were notified than confirmed in the laboratory...
May 19, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28532641/-streptococcal-anginosus-meningitis-with-a-high-level-resistance-to-cephalosporin-of-third-generation
#5
M Rachidi, A Lamrani, F Ihbibane, N Tassi, N Soraa
No abstract text is available yet for this article.
May 19, 2017: Médecine et Maladies Infectieuses
https://www.readbyqxmd.com/read/28532434/hierarchical-genomic-analysis-of-carried-and-invasive-serogroup-a-neisseria-meningitidis-during-the-2011-epidemic-in-chad
#6
Kanny Diallo, Kadija Gamougam, Doumagoum M Daugla, Odile B Harrison, James E Bray, Dominique A Caugant, Jay Lucidarme, Caroline L Trotter, Musa Hassan-King, James M Stuart, Olivier Manigart, Brian M Greenwood, Martin C J Maiden
BACKGROUND: Serogroup A Neisseria meningitidis (NmA) was the cause of the 2011 meningitis epidemics in Chad. This bacterium, often carried asymptomatically, is considered to be an "accidental pathogen"; however, the transition from carriage to disease phenotype remains poorly understood. This study examined the role genetic diversity might play in this transition by comparing genomes from geographically and temporally matched invasive and carried NmA isolates. RESULTS: All 23 NmA isolates belonged to the ST-5 clonal complex (cc5)...
May 22, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28531237/burden-of-neurological-diseases-in-the-us-revealed-by-web-searches
#7
Ricardo Baeza-Yates, Puneet Mohan Sangal, Pablo Villoslada
BACKGROUND: Analyzing the disease-related web searches of Internet users provides insight into the interests of the general population as well as the healthcare industry, which can be used to shape health care policies. METHODS: We analyzed the searches related to neurological diseases and drugs used in neurology using the most popular search engines in the US, Google and Bing/Yahoo. RESULTS: We found that the most frequently searched diseases were common diseases such as dementia or Attention Deficit/Hyperactivity Disorder (ADHD), as well as medium frequency diseases with high social impact such as Parkinson's disease, MS and ALS...
2017: PloS One
https://www.readbyqxmd.com/read/28530316/-radiosurgery-for-pituitary-adenomas
#8
REVIEW
Or Cohen-Inbar
Pituitary adenomas represent one of the most common types of intracranial tumors, accounting for 10-20% of intracranial tumors. While their macroscopic appearance and anatomical location are relatively homogeneous, pituitary tumors differ widely, generating a variety of neurological and endocrine clinical sequelae. Treatment options include hormone suppressive medical therapy, microscopic or endoscopic neurosurgical resection, radiosurgery, radiation therapy, or observation depending on the biochemical profile and the clinical status of the patient...
January 2017: Harefuah
https://www.readbyqxmd.com/read/28529273/septicemic-invasive-klebsiella-pneumoniae-infection-in-a-cynomolgus-monkey-macaca-fascicularis-with-severe-diffused-suppurative-meningoencephalitis
#9
Kazufumi Kasuya, Kou Takayama, Makiko Bito, Natsumi Shimokubo, Ryosuke Kawashima, Tomoyuki Shibahara
A 2-year-old male cynomolgus monkey (Macaca fascicularis) showed neurological symptoms during quarantine for importation into Japan, and was euthanized due to poor prognosis. Gross anatomical examination revealed a hemorrhagic lesion around the lateral ventricle in the cerebrum. Histologically, severe diffused suppurative meningitis and ventriculitis were detected with numerous Gram-negative bacilli in the cerebrum. Immunohistochemically, the bacilli were positively stained with an antibody against Klebsiella pneumoniae...
May 22, 2017: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/28529027/management-of-postneurosurgical-meningitis-narrative-review
#10
REVIEW
Khetam Hussein, Roni Bitterman, Ben Shofty, Mical Paul, Ami Neuberger
BACKGROUND: Infections complicating neurosurgery pose unacceptable mortality and morbidity. AIMS: To summarize what is known about the epidemiology, diagnosis and treatment of post-neurosurgical meningitis (PNM). SOURCES: PubMed, references of identified studies and reviews, and personal experience when evidence was lacking. CONTENT: The incidence and pathogen distribution of PNM is highly variable. A shift towards Gram-negative bacteria has been observed with use of antibiotic prophylaxis and antibiotic-coated devices directed mainly against Gram-positive bacteria...
May 18, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28529026/the-use-of-matrix-assisted-laser-desorption-ionization-time-of-flight-mass-spectrometry-maldi-tof-ms-for-rapid-bacterial-identification-in-patients-with-smear-positive-bacterial-meningitis
#11
Boaz Bishop, Yuval Geffen, Adi Plaut, Ola Kassis, Roni Bitterman, Mical Paul, Ami Neuberger
OBJECTIVES: To assess the potential of matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) in rapid identification of bacteria from smear-positive cerebrospinal fluid (CSF) in a cohort of patients with meningitis. METHODS: Single-center observational study, including adults and children with community-acquired or postneurosurgical bacterial meningitis. Meningitis was defined using established criteria. CSF samples that had a positive CSF Gram stain were directly examined by MALDI-TOF-MS...
May 18, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28528647/transition-metal-homeostasis-in-streptococcus-pyogenes-and-streptococcus-pneumoniae
#12
Andrew G Turner, Cheryl-Lynn Y Ong, Mark J Walker, Karrera Y Djoko, Alastair G McEwan
Trace metals such as Fe, Mn, Zn and Cu are essential for various biological functions including proper innate immune function. The host immune system has complicated and coordinated mechanisms in place to either starve and/or overload invading pathogens with various metals to combat the infection. Here, we discuss the roles of Fe, Mn and Zn in terms of nutritional immunity, and also the roles of Cu and Zn in metal overload in relation to the physiology and pathogenesis of two human streptococcal species, Streptococcus pneumoniae and Streptococcus pyogenes...
2017: Advances in Microbial Physiology
https://www.readbyqxmd.com/read/28528396/penetration-of-vancomycin-into-the-cerebrospinal-fluid-a-systematic-review
#13
REVIEW
Jessica E Beach, Jerrold Perrott, Ricky D Turgeon, Mary H H Ensom
INTRODUCTION: Infectious disease and pharmacokinetic textbooks indicate that vancomycin has poor penetration into the central nervous system due to its hydrophilic nature and high molecular weight. Recent literature suggests that penetration of vancomycin into cerebrospinal fluid (CSF) is higher than previously reported; therefore, we conducted a systematic review to assess the penetration of vancomycin into CSF. METHODS: We searched the MEDLINE, EMBASE, and CENTRAL electronic databases for English-language human studies evaluating serum and CSF concentrations of intravenous vancomycin...
May 20, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28528009/identification-of-novel-haemophilus-parasuis-serovar-5-vaccine-candidates-using-an-immunoproteomic-approach
#14
Gang Li, Fang Xie, Jianjun Li, Jiao Liu, Dapeng Li, Yanhe Zhang, Paul R Langford, Yanwen Li, Siguo Liu, Chunlai Wang
Haemophilus parasuis is the aetiological agent of Glässer's disease, which is responsible for cases of fibrinous polyserositis, polyarthritis and meningitis. No vaccine is known that provides cross-protection against all serovars. The identification of novel immunoprotective antigens would undoubtedly contribute to the development of efficient subunit vaccines. In the present study, an immunoproteomic approach was used to analyze secreted proteins of H. parasuis and six proteins with high immunogenicity were identified...
May 17, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28527972/genetic-and-epigenetic-alterations-in-meningiomas
#15
REVIEW
Vasiliki Galani, Evangeli Lampri, Anna Varouktsi, George Alexiou, Antigoni Mitselou, Athanasios P Kyritsis
Meningiomas originate from the arachnoid layer of the meninges and divided histologically into three grades: benign (grade I), atypical (grade II), and malignant meningiomas (grade III). Genetic alterations in grade I meningiomas include frequent deletions of chromosomal locus 22q12 and NF2 gene mutations and uncommon somatic SMARCB1 and SMARCE1gene mutations; In grade II meningiomas, chromosomal losses occur on 1p, 22q, 14q, 18q, 10, and 6q, and gains on 20q, 12q, 15q, 1q, 9q, and 17q; In grade III meningiomas, losses have been recognized on 6q, 10, and 14q and alterations of PTEN, CDKN2A and CDKN2B genes...
May 3, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28527634/low-penetration-of-caspofungin-into-cerebrospinal-fluid-following-intravenous-administration-of-standard-doses
#16
Volker Strenger, Fedja Farowski, Carsten Müller, Nora Hofer, Hans Jürgen Dornbusch, Daniela Sperl, Herwig Lackner, Martin Benesch, Christian Urban
The kinetics of caspofungin (CAS) in cerebrospinal fluid (CSF) following intravenous (i.v.) administration has been studied exclusively in animal models. However, human data are missing so far. In this study, 13 CSF samples were obtained at different time points following i.v. infusion of CAS in ten paediatric haemato-/oncological patients (age range 1.0-14.2 years, median 8.6 years) without signs of central nervous system (CNS) infection (n = 10 samples) or with infectious meningitis (n = 3 samples). Serum samples were obtained concurrently...
May 17, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28527158/asymptomatic-cryptococcal-antigenemia-in-people-living-with-hiv-plhiv-with-severe-immunosuppression-is-routine-crag-screening-indicated-in-india
#17
S Anuradha, Abhaya Narayana H, Richa Dewan, Ravinder Kaur, K Rajeshwari
BACKGROUND: Cryptococcal meningitis (CM) is a common, life-threatening opportunistic infection (OI) among people living with HIV (PLHIV) in India. Serum Cryptococcal antigen (CrAg) positivity is predictive of future occurrence of CM and pre-emptive treatment reduces its mortality. Routine CrAg screening among PLHIV is not adopted by India's national programme. This study evaluated the prevalence of CrAg and assessed CrAg positivity in predicting all-cause mortality among PLHIV. METHODS: This prospective study was conducted in a tertiary care, public health facility in New Delhi, India...
April 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/28526811/proteomic-analysis-of-cerebrospinal-fluid-from-children-with-central-nervous-system-tumors-identifies-candidate-proteins-relating-to-tumor-metastatic-spread
#18
Filippo Spreafico, Italia Bongarzone, Sara Pizzamiglio, Ruben Magni, Elena Taverna, Maida De Bortoli, Chiara M Ciniselli, Elena Barzanò, Veronica Biassoni, Alessandra Luchini, Lance A Liotta, Weidong Zhou, Michele Signore, Paolo Verderio, Maura Massimino
Central nervous system (CNS) tumors are the most common solid tumors in childhood. Since the sensitivity of combined cerebrospinal fluid (CSF) cytology and radiological neuroimaging in detecting meningeal metastases remains relatively low, we sought to characterize the CSF proteome of patients with CSF tumors to identify biomarkers predictive of metastatic spread. CSF samples from 27 children with brain tumors and 13 controls (extra-CNS non-Hodgkin lymphoma) were processed using core-shell hydrogel nanoparticles, and analyzed with reverse-phase liquid chromatography/electrospray tandem mass spectrometry (LC-MS/MS)...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526220/lumbar-puncture-for-all-febrile-infants-29-56-days-old-a-retrospective-cohort-reassessment-study
#19
Richard Scarfone, Ashlee Murray, Payal Gala, Fran Balamuth
OBJECTIVES: To determine the incidence of bacterial meningitis (BM) among all febrile infants 29-56 days old undergoing a lumbar puncture (LP) in the emergency department of a tertiary care children's hospital and the number of low-risk febrile infants with BM to reassess the need for routine LP in these infants. STUDY DESIGN: Retrospective cohort study using a quality improvement registry from July 2007-April 2014. Infants included were 29-56 days old with fever and who had an LP in the emergency department...
May 16, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28525725/a-comparison-of-the-validity-and-responsiveness-of-the-eq-5d-5l-and-sf-6d-for-measuring-health-spillovers-a-study-of-the-family-impact-of-meningitis
#20
Arjun Bhadhuri, Sue Jowett, Kate Jolly, Hareth Al-Janabi
BACKGROUND: The "health spillover" of patient illness on family members is important to capture in economic evaluation. This study compares the construct validity and responsiveness of 2 widely used health-related quality-of-life instruments, the EQ-5D-5L and SF-6D, in capturing health spillover effects for family members with and without an informal care role (carers and noncarers). METHODS: Construct validity and responsiveness were assessed using data from a 2012 UK survey of the family impact of meningitis-related sequelae...
May 1, 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
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