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https://www.readbyqxmd.com/read/28210209/lactate-shuttles-in-neuroenergetics-homeostasis-allostasis-and-beyond
#1
REVIEW
Shayne Mason
Understanding brain energy metabolism-neuroenergetics-is becoming increasingly important as it can be identified repeatedly as the source of neurological perturbations. Within the scientific community we are seeing a shift in paradigms from the traditional neurocentric view to that of a more dynamic, integrated one where astrocytes are no longer considered as being just supportive, and activated microglia have a profound influence. Lactate is emerging as the "good guy," contrasting its classical "bad guy" position in the now superseded medical literature...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28184323/congenital-tuberculosis-a-newborn-case-report-with-rare-manifestation
#2
Hadi Khorsand Zak, Shahin Mafinezhad, Ali Haghbin
INTRODUCTION: Congenital tuberculosis is an infrequently encountered condition and only 300 cases were reported in the literature till 1989. There are no specific signs and symptoms pathognomonic for congenital TB, and the devastating consequences in the absence of early therapy signify the importance of early diagnosis and treatment during the neonatal period. CASE PRESENTATION: In this paper we report on a case of congenital TB in a newborn who was admitted to our clinic with seizures and intraventricular hemorrhage (IVH) due to TB meningitis...
October 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28179405/diagnostic-accuracy-of-cerebrospinal-fluid-procalcitonin-in-bacterial-meningitis-patients-with-empiric-antibiotic-pretreatment
#3
Wen Li, Xiaolong Sun, Fang Yuan, Qiong Gao, Yue Ma, Yongli Jiang, Xiai Yang, Fang Yang, Lei Ma, Wen Jiang
Accurate diagnosis of bacterial meningitis (BM) relies on cerebrospinal fluid (CSF) Gram stain and bacterial culture, which often present high false-negative rates because of the antibiotic abuse. Thus a novel and reliable diagnostic biomarker is highly required. Procalcitonin (PCT) is well demonstrated to be specifically produced from peripheral tissues by bacterial infection, which makes it a potential candidate. Here, we performed a prospective clinical study comprising a total of 143 patients to investigate the diagnostic value of CSF PCT, serum PCT and other conventional biomarkers for BM...
February 8, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28172588/standardized-methods-for-enhanced-quality-and-comparability-of-tuberculous-meningitis-studies
#4
Ben J Marais, Anna D Heemskerk, Suzaan S Marais, Reinout van Crevel, Ursula Rohlwink, Maxine Caws, Graeme Meintjes, Usha K Misra, Nguyen T H Mai, Rovina Ruslami, James A Seddon, Regan Solomons, Ronald van Toorn, Anthony Figaji, Helen McIlleron, Robert Aarnoutse, Johan F Schoeman, Robert J Wilkinson, Guy E Thwaites
No abstract text is available yet for this article.
February 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28169858/central-nervous-system-infections-in-immunocompromised-patients
#5
Romain Sonneville, Eric Magalhaes, Geert Meyfroidt
PURPOSE OF REVIEW: Although rare, central nervous system (CNS) infections are increasingly being recognized in immunocompromised patients. The goal of the present review is to provide a practical diagnostic approach for the intensivist, and to briefly discuss some of the most prevalent conditions. RECENT FINDINGS: Immunocompromised patients presenting with new neurological symptoms should always be suspected of a CNS infection. These infections carry a poor prognosis, especially if intracranial hypertension, severely altered mental status or seizures are present...
February 4, 2017: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/28160272/suboptimal-exposure-to-anti-tb-drugs-in-a-tbm-hiv-population-is-not-related-to-anti-retroviral-therapy
#6
M E Török, G Aljayyoussi, D Waterhouse, Tth Chau, Nth Mai, N H Phu, T T Hien, W Hope, J J Farrar, S A Ward
A placebo-controlled trial that compares the outcomes of immediate versus deferred initiation of antiretroviral therapy in HIV+ve Tuberculous Meningitis (TBM) patients was conducted in Vietnam in 2011. Here, the pharmacokinetics of Rifampicin, Isoniazid, Pyrazinamide and Ethambutol were investigated in the presence and absence of anti-HIV treatment in 85 patients. Pharmacokinetic analyses show that HIV therapy has no significant impact upon the pharmacokinetics of TB drugs in this cohort. The same population, however, displayed generally low CSF and systemic exposures to rifampicin compared to previously reported HIV -ve cohorts...
February 4, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28143441/the-dubious-value-of-cerebrospinal-fluid-adenosine-deaminase-measurement-for-the-diagnosis-of-tuberculous-meningitis
#7
Pieter Ekermans, Adriano Dusé, Jaya George
BACKGROUND: The diagnosis of tuberculous meningitis (TBM) can be extremely difficult in the absence of culture confirmation. Cerebrospinal fluid (CSF) adenosine deaminase (ADA) can potentially assist in this regard, although its current value remains unclear. The literature on the usefulness of CSF ADA in TBM diagnosis is inconsistent, especially from an analytical point of view. METHODS: A retrospective analysis of clinical and laboratory data relating to all CSF ADA requests during 2009 and 2010 in a South African quaternary healthcare setting was performed...
January 31, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28109794/mir-29a-expressions-in-peripheral-blood-mononuclear-cell-and-cerebrospinal-fluid-diagnostic-value-in-patients-with-pediatric-tuberculous-meningitis
#8
Deng Pan, Miao Pan, Yu-Ming Xu
To evaluate the value of miR-29a expression in peripheral blood mononuclear cell (PBMC) and cerebrospinal fluid (CSF) in the diagnosis of pediatric tuberculous meningitis (TBM). Our study enrolled 112 children with TBM and 130 healthy children, from which PBMC and CSF were collected. The quantitative real-time polymerase chain reaction (qRT-PCR) was used to measure the expression of miR-29a in PBMC and CSF, and then analyze the diagnostic value. Compared with control group, the miR-29a expressions in PBMC and CSF were increased in TBM children (both P <0...
January 18, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28108140/steroid-treatment-in-ocular-tuberculosis-a-double-edged-sword
#9
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/28105125/staining-with-two-observational-methods-for-the-diagnosis-of-tuberculous-meningitis
#10
Yueli Zou, Hui Bu, Li Guo, Yajuan Liu, Junying He, Xuedan Feng
Ziehl-Neelsen (Z-N) staining of cerebrospinal fluid (CSF) for acid-fast bacilli (AFB) is the cornerstone of the laboratory diagnosis of tuberculous meningitis (TBM). However, the sensitivity of conventional Z-N staining for the detection of AFB in CSF specimens is suboptimal. The present study aimed to compare the practicality of modified Z-N staining with light microscopy and fluorescence microscopy in the same smear without auramine O. A total of 155 patients with 223 CSF specimens were enrolled and grouped according to the uniform case definition...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28068915/comparison-of-clinical-features-and-prognostic-factors-in-hiv-negative-adults-with-cryptococcal-meningitis-and-tuberculous-meningitis-a-retrospective-study
#11
Junyan Qu, Taoyou Zhou, Cejun Zhong, Rong Deng, Xiaoju Lü
BACKGROUND: The incidence of cryptococcal meningitis (CM) and tuberculous meningitis (TBM) have gradually increased in recent years. These two types of meningitis are easily misdiagnosed which leads to a poor prognosis. In this study we compared differences of clinical features and prognostic factors in non-HIV adults with CM and TBM. METHODS: We retrospectively reviewed the medical records of CM and TBM patients from January 2008 to December 2015 in our university hospital in China...
January 10, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28063937/cerebrospinal-fluid-metabolomic-profiling-in-tuberculous-and-viral-meningitis-screening-potential-markers-for-differential-diagnosis
#12
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
#13
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/28028491/cryptococcal-meningitis-associated-with-increased-adenosine-deaminase-in-the-cerebrospinal-fluid
#14
Yuji Tanaka, Kazuo Satomi
INTRODUCTION: Clinically, increased cerebrospinal fluid (CSF) adenosine deaminase (ADA) level is an important diagnostic clue of tuberculous meningitis. However, increased CSF ADA level can be caused by other neurological diseases. CASE DESCRIPTION: We report a case of a 67-year-old woman with cryptococcal meningitis presented with increased ADA level of the CSF. In parallel with her recovery, the ADA level of CSF decreased steadily. This is the first case described the chronological change in CSF ADA level of the patient with cryptococcal meningitis in detail...
2016: SpringerPlus
https://www.readbyqxmd.com/read/28008165/tuberculous-meningitis-in-an-immunocompetent-host-a-case-report
#15
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/28005649/cerebral-and-spinal-tuberculous-leptomeningitis-advanced-magnetic-resonance-imaging-findings
#16
Hayri Ogul, Zulal Ozkurt, Gokhan Polat
At diagnosis of the cerebral and spinal tuberculous meningitis magnetic resonance (MR) imaging is the primary imaging technique. Magnetic resonance images reveal cerebrospinal fluid collection and obliteration of the spinal subarachnoid space. The contrast-enhanced MR imaging shows nodular and thick intradural enhancement. Herein, the authors reported advanced MR imaging findings of the cerebral and spinal tuberculous leptomeningitis.
December 21, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27958312/cerebral-infarction-pattern-in-tuberculous-meningitis
#17
Mei-Ling Sharon Tai, Shanthi Viswanathan, Kartini Rahmat, Hazman Mohd Nor, Khairul Azmi Abdul Kadir, Khean Jin Goh, Norlisah Ramli, Fatimah Kamila Abu Bakar, Norzaini Rose Mohd Zain, Jun Fai Yap, Beng Hooi Ong, Mohd Hanip Rafia, Chong Tin Tan
Tuberculous meningitis (TBM) causes significant morbidity and mortality. The primary objective was to re-examine the concept of "TB zone" and "ischaemic zone" in cerebral infarction in patients with tuberculous meningitis. The secondary objective was to evaluate cerebral infarction, vasculitis and vasospasm in tuberculous meningitis infections. Between 2009 and 2014, TBM patients were recruited. Neuroimaging was performed and findings of cerebral infarction, vasculitis and vasospasm were recorded. Infarcts were classified based on arterial supply and Hsieh's classification...
December 13, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27935825/microglia-activation-in-a-pediatric-rabbit-model-of-tuberculous-meningitis
#18
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/27932621/treatment-associated-inflammatory-deterioration-in-tuberculous-meningitis-unpicking-the-paradox
#19
EDITORIAL
Nguyen Thuy Thuong Thuong, Guy E Thwaites
No abstract text is available yet for this article.
December 8, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27930548/primary-central-nervous-system-alk-positive-anaplastic-large-cell-lymphoma-in-an-adult-a-rare-case-report
#20
Xiaoqin Dong, Jun Li, Na Huo, Yan Wang, Zhao Wu, Xiaohong Lin, Hong Zhao
RATIONALE: Anaplastic large cell lymphoma (ALCL) is an aggressive non-Hodgkin lymphoma. It mostly invades lymph nodes with extranodal involvement observed in the soft tissue, bone, and skin. PATIENT CONCERNS: We report a 34-year-old Chinese male patient who presented with headache, diplopia, and vomit. Cerebrospinal fluid (CSF) analysis via lumbar puncture showed elevated CSF pressure, elevated CSF protein concentrations, decreased CSF glucose and chloride concentration significantly, and pleocytosis of 68 to 350 × 10/L, in which lymphocytes and monocytes were predominant...
December 2016: Medicine (Baltimore)
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