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Meningitis tuberculosis

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https://www.readbyqxmd.com/read/28108140/steroid-treatment-in-ocular-tuberculosis-a-double-edged-sword
#1
S Souissi, T David, L Beral
INTRODUCTION: We report the case of a Caribbean patient with an atypical presentation of bilateral tuberculous chorioretinopathy. PATIENT AND METHODS: A 57-year-old woman, with hypertension and non-insulin dependent diabetes, was referred to our center for a sudden loss of vision in the right eye to hand motions. Ophthalmic examination revealed only right papilledema. Brain magnetic resonance imaging was normal. Laboratory examination revealed no signs of inflammation...
January 17, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28063937/cerebrospinal-fluid-metabolomic-profiling-in-tuberculous-and-viral-meningitis-screening-potential-markers-for-differential-diagnosis
#2
Zihui Li, Boping Du, Jing Li, Jinli Zhang, Xiaojing Zheng, Hongyan Jia, Aiying Xing, Qi Sun, Fei Liu, Zongde Zhang
BACKGROUND: Tuberculous meningitis (TBM) is the most severe and frequent form of central nervous system tuberculosis. The current lack of efficient diagnostic tests makes it difficult to differentiate TBM from other common types of meningitis, especially viral meningitis (VM). Metabolomics is an important tool to identify disease-specific biomarkers. However, little metabolomic information is available on adult TBM. METHODS: We used (1)H nuclear magnetic resonance-based metabolomics to investigate the metabolic features of the CSF from 18 TBM and 20 VM patients...
January 4, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28043634/mycobacterial-excretory-secretory-31-protein-with-serine-protease-and-lipase-activities-an-immunogen-and-drug-target-against-tuberculosis-infection
#3
Bhaskar C Harinath
OBJECTIVE/BACKGROUND: Tuberculosis (TB) has been declared as a global emergency by the World Health Organization in 1993 and still remains one of the world's biggest threats. Worldwide, 9.6 million people have been estimated to have fallen ill with TB in 2014: 5.4 million men, 3.2 million women, and 1.0 million children. To reduce this burden, detection and treatment gaps must be addressed and new tools developed (Global TB report 2015). METHODS: Seroreactivity of the purified excretory secretory (ES) antigens ES-31, ES-43, ES-41, and ES-6 have been assessed in pulmonary TB (fresh, relapse, chronic, and latent), extrapulmonary TB, and in human immunodeficiency virus-TB coinfection...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043538/murine-model-of-tb-meningitis
#4
Umesh Datta Gupta, Ali Abbas, Raj Pal Singh Kashyap, Pushpa Gupta
BACKGROUND: Central nervous system (CNS) infections caused by Mycobacterium tuberculosis (MTB) are the most severe forms of extrapulmonary TB (EPTB) due to high levels of mortality and neurological morbidity. Limited studies are available on CNS-TB animal-model development, despite the steady rise in cerebral-TB cases in India over the past decade. This study describes the development of a murine model of CNS-TB using a clinical strain (C3) isolated from the cerebrospinal fluid (CSF) of CNS-TB patients...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043486/tuberculosis-in-children
#5
Ali Akbar Velayati
Tuberculosis (TB) is the main cause of infection-related death in the world. Children make up ∼5-15% of all TB cases. Severe forms of disease such as meningitis and disseminated form are more common in children. Due to current estimates of World Health Organization (WHO) in 2015, one million children suffer from TB around the world; of these, it is estimated that more than 136,000 die a year. One study estimated 67million children with latent TB which develops to active form with the rate of ∼850,000 each year...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28008165/tuberculous-meningitis-in-an-immunocompetent-host-a-case-report
#6
Suchin R Khanna, Stephen M Kralovic, Rajan Prakash
BACKGROUND Tuberculous meningitis is very rare in the United States in immunocompetent hosts. Risk factors are similar to those of pulmonary tuberculosis, including poverty, malnutrition, overcrowding, a compromised immune system, and coming from an endemic area. Meningeal tuberculosis mortality and other outcomes have changed little over time despite effective therapies due to delay in diagnosis because of its rarity, variable presentation, and often indolent course. CASE REPORT We describe a case of a 57-year-old male immigrant from Senegal with no significant past medical history and no previous history of tuberculosis or evidence of immune compromise...
December 23, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/28005986/a-systematic-review-of-cost-effectiveness-studies-reporting-cost-per-daly-averted
#7
Peter J Neumann, Teja Thorat, Yue Zhong, Jordan Anderson, Megan Farquhar, Mark Salem, Eileen Sandberg, Cayla J Saret, Colby Wilkinson, Joshua T Cohen
INTRODUCTION: Calculating the cost per disability-adjusted life years (DALYs) averted associated with interventions is an increasing popular means of assessing the cost-effectiveness of strategies to improve population health. However, there has been no systematic attempt to characterize the literature and its evolution. METHODS: We conducted a systematic review of cost-effectiveness studies reporting cost-per-DALY averted from 2000 through 2015. We developed the Global Health Cost-Effectiveness Analysis (GHCEA) Registry, a repository of English-language cost-per-DALY averted studies indexed in PubMed...
2016: PloS One
https://www.readbyqxmd.com/read/27935825/microglia-activation-in-a-pediatric-rabbit-model-of-tuberculous-meningitis
#8
Elizabeth W Tucker, Supriya Pokkali, Zhi Zhang, Vincent P DeMarco, Mariah Klunk, Elizabeth S Smith, Alvaro A Ordonez, Marie-France Penet, Zaver Bhujwalla, Sanjay K Jain, Sujatha Kannan
Central nervous system (CNS) tuberculosis (TB) is the most severe form of extra-pulmonary TB and disproportionately affects young children where the developing brain has a unique host response. New Zealand white rabbits were infected with Mycobacterium tuberculosis via subarachnoid inoculation at postnatal day 4-8 and evaluated until 4-6 weeks post-infection. Control and infected rabbit kits were assessed for the development of neurological deficits, bacterial burden, and postmortem microbiologic and pathologic changes...
December 1, 2016: Disease Models & Mechanisms
https://www.readbyqxmd.com/read/27932622/inflammasome-activation-underlies-central-nervous-system-deterioration-in-hiv-associated-tuberculosis
#9
Suzaan Marais, Rachel P J Lai, Katalin A Wilkinson, Graeme Meintjes, Anne O'Garra, Robert J Wilkinson
Tuberculosis meningitis (TBM) is a frequent cause of meningitis in HIV-infected individuals, resulting in death in ~ 40% of affected patients. A severe complication of antiretroviral therapy (ART) in these patients is neurological TB-immune reconstitution inflammatory syndrome (IRIS), but its underlying cause remains poorly understood. To investigate the pathogenesis of TBM-IRIS, we performed longitudinal whole blood microarray analysis of HIV-infected TBM patients and reflected the findings at the protein level...
December 8, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27927856/long-term-mortality-of-patients-with-tuberculous-meningitis-in-new-york-city-a-cohort-study
#10
Christopher Vinnard, Liza King, Sonal Munsiff, Aldo Crossa, Kentaro Iwata, Jotam Pasipanodya, Douglas Proops, Shama Ahuja
BACKGROUND: Tuberculous meningitis (TBM) is the most devastating clinical presentation of infection with Mycobacterium tuberculosis; delayed initiation of effective antituberculosis therapy is associated with poor treatment outcomes. Our objective was to determine the relationship between drug resistance and 10-year mortality among patients with TBM. METHODS: We conducted a retrospective cohort study of 324 patients with culture-confirmed TBM, susceptibility results reported for isoniazid and rifampin, and initiation of at least 2 antituberculosis drugs, reported to the tuberculosis registry in New York City between 1 January 1992 and 31 December 2001...
December 7, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/27899068/title-role-of-matrix-metalloproteinase-9-in-progression-of-tuberculous-meningitis-a-pilot-study-in-patients-at-different-stages-of-the-disease
#11
S Majeed, P Singh, N Sharma, S Sharma
BACKGROUND: TBM (Tuberculous meningitis) is severe form of tuberculosis causing death of one third of the affected individuals or leaving two-third of the survivors disabled. MMP-9 (Matrix metalloproteinase-9) is produced by the central nervous system in a variety of inflammatory conditions and has a role in the breakdown of extracellular matrix and blood-brain barrier. METHODS: In this study, the levels of MMP-9 and its inhibitor, TIMP-1 (tissue inhibitor of metalloproteinases-1), were screened using zymography and reverse zymography in cerebrospinal fluid and serum of tuberculous meningitis patients at different stages of the disease...
November 29, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27881839/a-polymorphism-in-human-mr1-is-associated-with-mrna-expression-and-susceptibility-to-tuberculosis
#12
C Seshadri, N T T Thuong, N T H Mai, N D Bang, T T H Chau, D M Lewinsohn, G E Thwaites, S J Dunstan, T R Hawn
The MR1 antigen-presenting system is conserved among mammals and enables T cells to recognize small molecules produced by bacterial pathogens, including Mycobacterium tuberculosis (M.tb). However, it is not known whether MR1-mediated antigen presentation is important for protective immunity against mycobacterial disease. We hypothesized that genetic control of MR1 expression correlates with clinical outcomes of tuberculosis infection. We performed an MR1 candidate gene association study and identified an intronic single-nucleotide polymorphism (rs1052632) that was significantly associated with susceptibility to tuberculosis in a discovery and validation cohort of Vietnamese adults with tuberculosis...
November 24, 2016: Genes and Immunity
https://www.readbyqxmd.com/read/27869920/-description-of-duplicate-records-held-on-the-notifiable-diseases-information-system-brazil-2008-2009
#13
Sérgio Henrique Almeida da Silva, Jurema Corrêa da Mota, Raulino Sabino da Silva, Mônica Rodrigues Campos, Joyce Mendes de Andrade Schramm
OBJECTIVE: to describe the proportion of duplicate records held on the Brazilian Notifiable Diseases Information System, 2008-2009. METHODS: identification of duplicate records of dengue, leprosy, visceral leishmaniasis and cutaneous leishmaniasis, meningitis and tuberculosis was conducted using Reclink III(r); the proportion of duplicate records was calculated by geographical region, state and municipal population size categories. RESULTS: visceral leishmaniasis (VL) and meningitis had higher proportions of duplicate notification (5...
July 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27823900/gene-based-neonatal-immune-priming-potentiates-a-mucosal-adenoviral-vaccine-encoding-mycobacterial-ag85b
#14
Guixiang Dai, Hamada F Rady, Weitao Huang, Judd E Shellito, Carol Mason, Alistair J Ramsay
Tuberculosis remains a major public health hazard worldwide, with neonates and young infants potentially more susceptible to infection than adults. BCG, the only vaccine currently available, provides some protection against tuberculous meningitis in children but variable efficacy in adults, and is not safe to use in immune compromised individuals. A safe and effective vaccine that could be given early in life, and that could also potentiate subsequent booster immunization, would represent a significant advance...
December 7, 2016: Vaccine
https://www.readbyqxmd.com/read/27807490/a-case-of-tuberculous-meningitis-with-paradoxical-response-in-a-14-year-old-boy
#15
Murat Özer, Yasemin Özsürekci, Ali Bülent Cengiz, Nagehan Emiralioğlu, Deniz Doğru, Kader Karlı Oğuz, Onur Akça, Özgür Özkayar
A clinical or radiological worsening of already existing lesions or an emergence of new lesions after beginning treatment in patients with tuberculosis (TB) is referred to as the paradoxical response. This has aroused suspicion regarding the accuracy of diagnosis, the possibilities of treatment failure, or the presence of another underlying disease, and thus it is an important topic for clinicians to understand. In this article, the development of a paradox reaction in a 14-year-old male patient diagnosed with and treated for tuberculosis meningitis is reported...
2016: Case Reports in Infectious Diseases
https://www.readbyqxmd.com/read/27798497/recent-advances-in-the-diagnosis-and-management-of-tuberculous-meningitis
#16
Nguyen T H Mai, Guy E Thwaites
PURPOSE OF REVIEW: Tuberculous meningitis is a devastating infection that is hard to diagnose and treat. We have reviewed tuberculous meningitis original research published within the past 18 months, selecting studies which we consider have most advanced knowledge. RECENT FINDINGS: We review advances in diagnostic methods, anti-tuberculosis chemotherapy, and the common complications of tuberculous meningitis. New commercial molecular diagnostic tests, such as GeneXpert MTB/RIF, have an important role in tuberculous meningitis diagnosis, but as with all other available tests, they lack sensitivity and cannot rule out the disease...
February 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/27795917/hmgb1-level-in-cerebrospinal-fluid-as-a-complimentary-biomarker-for-the-diagnosis-of-tuberculous-meningitis
#17
Yan Chen, Jun Zhang, Xiaofei Wang, Yu Wu, Li Zhu, Longkun Lu, Qian Shen, Yanghua Qin
PURPOSE: High mobility group box-1 (HMGB1) is a proinflammatory, DAMP protein that participates in many pathological conditions. In this study, we evaluated the usability of CSF HMGB1 as a biomarker for the diagnosis of tuberculous meningitis (TBM). METHODS: A total of 59 TBM patients and 169 control patients were included in our study. CSF samples were obtained and analyzed for HMGB1 using a commercial ELISA kit. RESULTS: The mean CSF HMGB1 was 19...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27789254/estimating-the-burden-of-invasive-and-serious-fungal-disease-in-the-united-kingdom
#18
Matthew Pegorie, David W Denning, William Welfare
BACKGROUND: The burden of fungal disease in the UK is unknown. Only limited data are systematically collected. We have estimated the annual burden of invasive and serious fungal disease. METHODS: We used several estimation approaches. We searched and assessed published estimates of incidence, prevalence or burden of specific conditions in various high risk groups. Studies with adequate internal and external validity allowed extrapolation to estimate current UK burden...
January 2017: Journal of Infection
https://www.readbyqxmd.com/read/27776585/incidence-of-tuberculosis-meningitis-in-a-high-hiv-prevalence-setting-time-series-analysis-from-2006-to-2011
#19
S Chaya, Z Dangor, F Solomon, S A Nzenze, A Izu, S A Madhi
SETTING: This study was undertaken at a tertiary hospital in Soweto, a peri-urban low-middle income setting. Mycobacterium tuberculosis meningitis (TBM) is a severe manifestation of extra-pulmonary tuberculosis. OBJECTIVE: To describe the incidence, mortality and clinical features of TBM in human immunodeficiency virus (HIV) infected and non-infected children in South Africa from 2006 to 2011. DESIGN: A retrospective, cross-sectional descriptive study...
November 2016: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/27772758/role-of-18-f-fdg-pet-in-demonstrating-disease-burden-in-patients-with-tuberculous-meningitis
#20
Sanjay Gambhir, Mritunjai Kumar, Mudalsha Ravina, Sanjeev Kumar Bhoi, Jayantee Kalita, U K Misra
OBJECTIVE: To study the role of (18)fluoro-deoxy glucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) scan in documenting the disease burden in patients with tuberculous meningitis (TBM), and compare these findings with conventional imaging and magnetic resonance imaging (MRI). SUBJECTS AND METHODS: Ten patients with definite TBM were prospectively recruited. The severity of TBM was graded into stage I to III. The patients were subjected to whole body (18)F-FDG PET/CT imaging and MRI brain...
November 15, 2016: Journal of the Neurological Sciences
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