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https://www.readbyqxmd.com/read/27880044/tuberculosis-airway-obstruction-and-mortality-in-a-finnish-population
#1
Tiina Mattila, Markku Heliövaara, Harri Rissanen, Paul Knekt, Pauli Puukka, Tuula Vasankari
There is little long-term follow-up data concerning the association between past pulmonary tuberculosis (TB), airway obstruction and mortality. We aimed to analyse a national health examination survey data from 6701 adult Finns undergoing spirometry between 1978 and 1980 (follow-up through 2013). We identified TB either through a disease history or by a TB-indicative scar on a chest x-ray. We specified obstruction using the lower limit of normal (LLN) and classified severity using the Global Initiative for Chronic Obstructive Lung Disease (GOLD) stages 1-4...
November 23, 2016: COPD
https://www.readbyqxmd.com/read/27858862/utility-of-t-cell-interferon-%C3%AE-release-assays-for-the-diagnosis-of-female-genital-tuberculosis-in-a-tertiary-referral-hospital-in-beijing-china
#2
Xiaoqing Liu, Sainan Bian, Xinhe Cheng, Wenze Wang, Qinjie Tian, Lifan Zhang, Yueqiu Zhang, Xiaochun Shi, Yao Zhang, Zhiyong Liang
Diagnosis of female genital tuberculosis (FGTB) remains a challenge. The aim of this study was to evaluate the diagnostic value of T-SPOT.TB on peripheral blood mononuclear cells (PBMCs) for diagnosing FGTB in an area with high TB burden.Patients with suspected FGTB were enrolled consecutively between August 2010 and August 2015. T-SPOT.TB on PBMCs and histopathology were performed in all patients. T-SPOT.TB results were evaluated against patients' final diagnosis of FGTB which was made based on clinical manifestations, radiology, microbiological and histopathological evaluation, and response to anti-TB treatment...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27795917/hmgb1-level-in-cerebrospinal-fluid-as-a-complimentary-biomarker-for-the-diagnosis-of-tuberculous-meningitis
#3
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/27684274/utility-of-macrophage-activated-marker-cd163-for-diagnosis-and-prognosis-in-pulmonary-tuberculosis
#4
Yuzo Suzuki, Masahiro Shirai, Kazuhiro Asada, Seiichi Miwa, Masato Karayama, Yutaro Nakamura, Naoki Inui, Toshihiro Shirai, Hiroshi Hayakawa, Satoshi Baba, Takafumi Suda
RATIONALE: Tuberculosis (TB) is a leading cause of death among infectious diseases worldwide. Accumulated knowledge has revealed that macrophages are deeply involved in the progression and pathogenesis of TB. We hypothesized that the evaluation of a macrophage activation marker may be useful in the diagnosis and assessment of pulmonary TB. OBJECTIVES: To examine the utility of the macrophage-activation marker sCD163 as a diagnostic tool and measure of disease severity for pulmonary TB and tuberculous pleurisy...
September 29, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/27633798/the-diagnostic-accuracy-of-pericardial-and-urinary-lipoarabinomannan-lam-assays-in-patients-with-suspected-tuberculous-pericarditis
#5
Shaheen Pandie, Jonathan G Peter, Zita S Kerbelker, Richard Meldau, Grant Theron, Ureshnie Govender, Mpiko Ntsekhe, Keertan Dheda, Bongani M Mayosi
We evaluated the diagnostic accuracy of urinary and pericardial fluid (PF) lipoarabinomannan (LAM) assays in tuberculous pericarditis (TBP). From October 2009 through September 2012, 151 patients with TBP were enrolled. Mycobacterium tuberculosis culture and/or pericardial histology were the reference standard for definite TBP. 49% (74/151), 33.1% (50/151) and 17.9% (27/151) of patients had definite-, probable-, and non-TB respectively; 69.5% (105/151) were HIV positive. LAM ELISA had the following sensitivity, specificity, positive likelihood ratio, negative likelihood ratio, positive predictive value and negative predictive values (95% confidence interval): urinary - 17...
September 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27574764/plasma-adenosine-deaminase-enzyme-reduces-with-treatment-of-pulmonary-tuberculosis-in-nigerian-patients-indication-for-diagnosis-and-treatment-monitoring
#6
O Ige, V F Edem, O G Arinola
Tuberculosis(TB)-specific host biomarkers for diagnosis and monitoring of treatment response have been identified as priorities for TB research. Macrophage and T cell lymphocytes play vital roles in Mycobacterium tuberculosis immune response and their associated biomarkers could form good candidates for diagnosis and treatment monitoring. The enzyme adenosine deaminase (ADA) is produced mainly by monocytes and macrophages and increase in biological fluids in the course of infection with microorganisms infecting macrophages...
2016: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/27553414/immunoglobulin-g-response-to-mammalian-cell-entry-1a-mce1a-protein-as-biomarker-of-active-tuberculosis
#7
Iukary Takenami, Carolina C de Oliveira, Filipe R Lima, Jéssica Soares, Almério Machado, Lee W Riley, Sérgio Arruda
Cell wall components are major determinants of virulence of Mycobacterium tuberculosis and they contribute to the induction of both humoral and cell-mediated immune response. The mammalian cell entry protein 1A (Mce1A), in the cell wall of M. tuberculosis, mediates entry of the pathogen into mammalian cells. Here, we examined serum immunoglobulin levels (IgA, IgM and total IgG) against Mce1A as a potential biomarker for diagnosis and monitoring tuberculosis (TB) treatment response. Serum samples of 39 pulmonary TB patients and 65 controls (15 healthy household contacts, 19 latently infected household contacts, 13 non-TB and 18 leprosy patients) were screened by ELISA...
September 2016: Tuberculosis
https://www.readbyqxmd.com/read/27553407/discriminative-expression-of-whole-blood-genes-in-hiv-patients-with-latent-and-active-tb-in-ethiopia
#8
Desta Kassa, Leonie Ran, Wilco de Jager, Theo van den Broek, Ronald Jacobi, Muluberhan Mekonen, Tsehaynesh Messele, Mariëlle C Haks, Tom H M Ottenhoff, Debbie van Baarle
BACKGROUND: Transcriptomic host biomarkers could assist in developing effective diagnostics, vaccines and therapeutics for tuberculosis (TB). However, different biomarkers may be discriminatory in different populations depending on the host and bacillary genetics and HIV infection, and need to be addressed. METHODS: The expression levels of 45 genes that are known to be involved in or affected by TB pathogenesis were analyzed using dual color Reverse Transcriptase Multiplex Ligation-dependent Probe Amplification (dcRT-MLPA) assay in whole blood of 106 HIV positive individuals including active TB patients (TB(+)HIV(+), n = 29), and non TB patients that are tuberculin skin test positive (TST+) (TST(+)HIV(+), n = 26), or TST negative (TST(-)HIV(+), n = 51)...
September 2016: Tuberculosis
https://www.readbyqxmd.com/read/27462354/usefulness-of-interferon-%C3%AE-release-assay-for-the-diagnosis-of-latent-tuberculosis-infection-in-young-children
#9
Ki Wook Yun, Young Kwang Kim, Hae Ryun Kim, Mi Kyung Lee, In Seok Lim
PURPOSE: Latent tuberculosis infection (LTBI) in young children may progress to severe active tuberculosis (TB) disease and serve as a reservoir for future transmission of TB disease. There are limited data on interferon-γ release assay (IGRA) performance in young children, which our research aims to address by investigating the usefulness of IGRA for the diagnosis of LTBI. METHODS: We performed a tuberculin skin test (TST) and IGRA on children who were younger than 18 years and were admitted to Chung-Ang University Hospital during May 2011-June 2015...
June 2016: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/27457062/comparison-of-the-tuberculin-skin-test-and-the-quantiferon-tb-gold-test-in-detecting-latent-tuberculosis-in-health-care-workers-in-iran
#10
Ehsan Mostafavi, Mahshid Nasehi, Abdolrazagh Hashemi Shahraki, Saber Esmaeili, Ebrahim Ghaderi, Saeed Sharafi, Amin Doosti-Irani
OBJECTIVES: The tuberculin skin test (TST) and the QuantiFERON-TB Gold test (QFT) are used to identify latent tuberculosis infections (LTBIs). The aim of this study was to determine the agreement between these two tests among health care workers in Iran. METHODS: This cross-sectional study included 177 tuberculosis (TB) laboratory staff and 67 non-TB staff. TST indurations of 10 mm or more were considered positive. The Student's t-test and the chi-square test were used to compare the mean score and proportion of variables between the TB laboratory staff and the non-TB laboratory staff...
2016: Epidemiology and Health
https://www.readbyqxmd.com/read/27451823/non-communicable-disease-comorbidities-and-risk-factors-among-tuberculosis-patients-meghalaya-india
#11
Bibha Marak, Prabhdeep Kaur, Sudha R Rao, Sriram Selvaraju
We did cross-sectional study to estimate the prevalence of tobacco, alcohol use, hypertension and diabetes among tuberculosis (TB) patients in comparison to the non-TB patients in East Garo Hills District, Meghalaya, India. We surveyed 110 TB patients attending outpatient TB clinic and 110 age/sex matched non-TB subjects from the general outpatient department as comparison group. Prevalence of ever smoking was 74.5% and 55.4%; alcohol consumption 31.0% and 22.3%; hypertension 24.5% and 17.3%; diabetes 7.5%, 4...
April 2016: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/27451809/utility-of-novel-plasma-metabolic-markers-in-the-diagnosis-of-pediatric-tuberculosis-a-classification-and-regression-tree-analysis-approach
#12
Lin Sun, Jie-Qiong Li, Na Ren, Hui Qi, Fang Dong, Jing Xiao, Fang Xu, Wei-Wei Jiao, Chen Shen, Wen-Qi Song, A-Dong Shen
Although tuberculosis (TB) has been the greatest killer due to a single infectious disease, pediatric TB is still hard to diagnose because of the lack of sensitive biomarkers. Metabolomics is increasingly being applied in infectious diseases. But little is known regarding metabolic biomarkers in children with TB. A combination of a NMR-based plasma metabolic method and classification and regression tree (CART) analysis was used to provide a broader range of applications in TB diagnosis in our study. Plasma samples obtained from 28 active TB children and 37 non-TB controls (including 21 RTIs and 16 healthy children) were analyzed by an orthogonal partial least-squares discriminant analysis (OPLS-DA) model, and 17 metabolites were identified that can separate children with TB from non-TB controls...
September 2, 2016: Journal of Proteome Research
https://www.readbyqxmd.com/read/27388710/access-to-free-or-low-cost-tuberculosis-treatment-for-migrants-and-refugees-along-the-thailand-myanmar-border-in-tak-province-thailand
#13
Naomi Tschirhart, Francois Nosten, Angel M Foster
BACKGROUND: In Tak province, Thailand migrants and refugees from Myanmar navigate a pluralistic healthcare system to seek Tuberculosis (TB) care from a variety of government and non-governmental providers. This multi-methods qualitative study examined access to TB, TB/HIV and multidrug-resistant tuberculosis (MDR-TB) treatment with an emphasis on barriers to care and enabling factors. METHODS: In the summer and fall of 2014, we conducted 12 key informant interviews with public health officials and TB treatment providers...
2016: International Journal for Equity in Health
https://www.readbyqxmd.com/read/27311746/evaluation-of-cytokine-responses-against-novel-mtb-antigens-as-diagnostic-markers-for-tb-disease
#14
Dolapo O Awoniyi, Andrea Teuchert, Jayne S Sutherland, Harriet Mayanja-Kizza, Rawleigh Howe, Adane Mihret, Andre G Loxton, Jacob Sheehama, Desta Kassa, Amelia C Crampin, Hazel M Dockrell, Martin Kidd, Ida Rosenkrands, Annemieke Geluk, Tom H M Ottenhoff, P L A M Corstjens, Novel N Chegou, Gerhard Walzl
OBJECTIVE: We investigated the accuracy of host markers detected in Mtb antigen-stimulated whole blood culture supernatant in the diagnosis of TB. METHODS: Prospectively, blood from 322 individuals with presumed TB disease from six African sites was stimulated with four different Mtb antigens (Rv0081, Rv1284, ESAT-6/CFP-10, and Rv2034) in a 24 h whole blood stimulation assay (WBA). The concentrations of 42 host markers in the supernatants were measured using the Luminex multiplex platform...
September 2016: Journal of Infection
https://www.readbyqxmd.com/read/27272622/factors-associated-with-early-mortality-in-hiv-positive-men-and-women-investigated-for-tuberculosis-at-ethiopian-health-centers
#15
Anton Reepalu, Taye Tolera Balcha, Sten Skogmar, Nuray Güner, Erik Sturegård, Per Björkman
INTRODUCTION: Despite increasing access to antiretroviral treatment (ART) in low-income countries, HIV-related mortality is high, especially in the first months following ART initiation. We aimed to evaluate the impact of TB coinfection on early mortality and to assess gender-specific predictors of mortality in a cohort of Ethiopian adults subjected to intensified casefinding for active TB before starting ART. MATERIAL AND METHODS: Prospectively recruited ART-eligible adults (n = 812, 58...
2016: PloS One
https://www.readbyqxmd.com/read/27168857/sternal-mycobacterial-infections
#16
REVIEW
Shi-Min Yuan
Sternal mycobacterial infections are rare. Due to the rarity, its clinical characteristics, diagnoses, and regular management strategies are still scanty. A total of 76 articles on this topic were obtained by a comprehensive literature collection. The clinical features, diagnosis, management strategies and prognosis were carefully analyzed. There were totally 159 patients including 152 (95%) cases of tuberculosis (TB) and seven (5%) cases of non-TB sternal infections. Sternal mycobacterial infections can be categorized into three types: Primary, secondary, and postoperative, according to the pathogenesis; and categorized into isolated, peristernal, and multifocal, according to the extent of the lesions...
April 2016: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/27144055/csf-ada-determination-in-early-diagnosis-of-tuberculous-meningitis-in-hiv-infected-patients
#17
Gopal Chandra Ghosh, Brijesh Sharma, B B Gupta
Tuberculous and Cryptococcal meningitis are common in HIV patients. A highly specific and sensitive rapid test for diagnosis of Tuberculous meningitis especially in setting of HIV is not available in developing countries where the burden of disease is high. We measured ADA (adenosine deaminase) levels using spectrophotometric method in the CSF of HIV patients with meningitis to differentiate Tuberculous meningitis from meningitis due to other causes. Kruskal-Wallis test was used to compare ADA values between tuberculous meningitis (TBM) and nontuberculous (non-TB) meningitis patients and a receiver-operating characteristic (ROC) analysis curve was drawn from these values...
2016: Scientifica
https://www.readbyqxmd.com/read/27124069/the-usefulness-of-serum-cxcr3-ligands-for-evaluating-the-early-treatment-response-in-tuberculosis-a-longitudinal-cohort-study
#18
Wou Young Chung, Dukyong Yoon, Keu Sung Lee, Yun Jung Jung, Young Sun Kim, Seung Soo Sheen, Kwang Joo Park
Cell-mediated immunity plays an important role in the pathobiology of tuberculosis (TB). The ligands for CXC chemokine receptor 3 (CXCR3) activate the T-helper type 1 lymphocyte pathway. The CXCR3 ligands are reportedly useful clinical markers for the diagnosis and follow-up of TB. The objective of this study was to assess the utility of CXCR3 ligands for evaluating early treatment responses in TB.We recruited 88 patients who underwent antituberculous chemotherapy. The serum levels of interferon (IFN)-γ and the CXCR3 ligands CXCL9 (monokine induced by IFN-γ [MIG]), CXCL10 (IFN-γ-inducible 10-kDa protein [IP-10]), and CXCL11 (IFN-inducible T-cell α chemoattractant [I-TAC]) were measured before and 2 months after the start of treatment...
April 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/26998044/sputum-endothelin-1-level-is-associated-with-active-pulmonary-tuberculosis-and-effectiveness-of-anti-tuberculosis-chemotherapy
#19
Xiang Wang, Jingqun Tang, Ranran Wang, Chen Chen, Shichuan Tan, Fenglei Yu, Yongguang Tao, Yunping Li
Pulmonary tuberculosis (TB) is a major global health problem. Endothelin (ET)-1 is an important pro-inflammatory factor in the airways, which acts as a chemoattractant and an upregulator of other inflammatory mediators. In the present study, the association of the sputum ET-1 level with active pulmonary TB and the effectiveness of anti-TB chemotherapy was explored for the first time. A total of 56 newly diagnosed patients with active pulmonary TB, 56 age- and gender-matched TB-free controls, and 43 subjects with latent TB were recruited to the study...
March 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/26968508/differentiation-of-mycobacterium-tuberculosis-complex-from-non-tubercular-mycobacteria-by-nested-multiplex-pcr-targeting-is6110-mtp40-and-32kd-alpha-antigen-encoding-gene-fragments
#20
Pallavi Sinha, Anamika Gupta, Pradyot Prakash, Shampa Anupurba, Rajneesh Tripathi, G N Srivastava
BACKGROUND: Control of the global burden of tuberculosis is obstructed due to lack of simple, rapid and cost effective diagnostic techniques that can be used in resource poor-settings. To facilitate the early diagnosis of TB directly from clinical specimens, we have standardized and validated the use of nested multiplex PCR, targeting gene fragments IS6110, MTP40 and 32kD α-antigen encoding genes specific for Mycobacterium tuberculosis complex and non-tubercular mycobacteria (NTM), in comparison to smear microscopy, solid culture and single step multiplex PCR...
2016: BMC Infectious Diseases
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