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https://www.readbyqxmd.com/read/29112181/vitamin-d-supplementation-in-respiratory-diseases-evidence-from-rct
#1
Carolien Mathyssen, Ghislaine Gayan-Ramirez, Roger Bouillon, Wim Janssens
Pulmonary diseases are one of the most important causes for morbidity and mortality. Although vitamin D is best known for its role in calcium, phosphorus and bone homeostasis, in the recent years vitamin D has gained attention because of a wide range of extra-skeletal effects including its immunomodulatory and antibacterial potential. Vitamin D deficiency is highly prevalent in chronic pulmonary diseases such as Chronic Obstructive Pulmonary Disease (COPD), cystic fibrosis, tuberculosis and asthma and several clinical studies have been conducted investigating the effect of vitamin D supplementation on disease outcomes...
November 2, 2017: Polish Archives of Internal Medicine
https://www.readbyqxmd.com/read/29092717/routinely-detected-indicators-in-plasma-have-a-predictive-effect-on-the-identification-of-hiv-infected-patients-with-non-tuberculous-mycobacterial-and-tuberculous-infections
#2
Ren-Tian Cai, Feng-Xue Yu, Zhen Tao, Xue-Qin Qian, Jun Chen, Hong-Zhou Lu
BACKGROUND: It is difficult to quickly distinguish non-tuberculous mycobacterial (NTM) infection from tuberculosis (TB) infection in human immunodeficiency virus (HIV)-infected patients because of many similarities between these diseases. A simple and effective way to determine the differences using routine blood tests is necessary in developing countries. METHODS: A retrospective cohort study was conducted to recruit HIV-infected patients with either NTM infection or TB infection diagnosed for the first time according to mycobacterial culture and microscopic identification from May 2010 to March 2016...
November 2, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/29091139/glutaraldehyde-test-for-the-rapid-diagnosis-of-pulmonary-and-extra-pulmonary-tuberculosis-in-an-area-with-high-tuberculosis-incidence
#3
Ben Hadj Hassine Ahmed, Marzouk Manel, Dhaou Mohamed, Boukadida Jalel
BACKGROUND: Tuberculosis (TB) remains one of the leading causes of morbidity and mortality worldwide. The primary method for controlling TB is the rapid and accurate identification of infected individuals. Immune response exploitation represents one of the main methods used for early TB diagnosis; however, few studies have reported that whole blood originating from TB-infected patients gels faster in the presence of aldehyde than blood originating from healthy subjects, which is the focus of the current study...
November 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/29070061/effectiveness-of-real-time-polymerase-chain-reaction-assay-for-the-detection-of-mycobacterium-tuberculosis-in-pathological-samples-a-systematic-review-and-meta-analysis
#4
Emmanuel O Babafemi, Benny P Cherian, Lee Banting, Graham A Mills, Kandala Ngianga
BACKGROUND: Rapid and accurate diagnosis of tuberculosis (TB) is key to manage the disease and to control and prevent its transmission. Many established diagnostic methods suffer from low sensitivity or delay of timely results and are inadequate for rapid detection of Mycobacterium tuberculosis (MTB) in pulmonary and extra-pulmonary clinical samples. This study examined whether a real-time polymerase chain reaction (RT-PCR) assay, with a turn-a-round time of 2 h, would prove effective for routine detection of MTB by clinical microbiology laboratories...
October 25, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/29033441/bilateral-tuberculous-pleurisy-with-subsequent-upper-lobe-predominant-pulmonary-fibrosis-mimicking-pleuroparenchymal-fibroelastosis
#5
Takako Kawaguchi, Keishi Oda, Takashi Kido, Toshinori Kawanami, Yoshinori Kawabata, Kazuhiro Yatera
Although the majority of patients with Mycobacterium tuberculosis have pulmonary involvement, some cases have pleural involvement as extra-pulmonary sites of infection. We herein report a case of upper lobe-predominant pulmonary fibrosis that developed in a 47-year-old male with a history of bilateral tuberculous pleurisy. Based on his chest radiological findings, pleuroparenchymal fibroelastosis (PPFE) was most strongly suspected, and a surgical lung biopsy (SLB) was performed to obtain a pathological diagnosis...
October 16, 2017: Internal Medicine
https://www.readbyqxmd.com/read/29029055/prognostic-models-for-9-month-mortality-in-tuberculous-meningitis
#6
Le Thi Phuong Thao, A Dorothee Heemskerk, Ronald B Geskus, Nguyen Thi Hoang Mai, Dang Thi Minh Ha, Tran Thi Hong Chau, Nguyen Hoan Phu, Nguyen Van Vinh Chau, Maxine Caws, Nguyen Huu Lan, Do Dang Anh Thu, Nguyen Thuy Thuong Thuong, Jeremy Day, Jeremy J Farrar, M Estee Torok, Nguyen Duc Bang, Guy E Thwaites, Marcel Wolbers
Background: Tuberculous meningitis (TBM) is the most severe form of extra-pulmonary tuberculosis. We developed and validated prognostic models for 9-month mortality in HIV-uninfected and HIV-infected adults with TBM. Methods: We included 1699 subjects from four randomized clinical trials and one prospective observational study conducted at two major referral hospitals in Southern Vietnam from 2001-2015. Modelling was based on multivariable Cox proportional hazards regression...
September 26, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28993293/association-between-mycobacterium-tuberculosis-lineage-and-site-of-disease-in-florida-2009-2015
#7
Marie Nancy Séraphin, Richard Doggett, Lori Johnston, Jose Zabala, Alexandra M Gerace, Michael Lauzardo
BACKGROUND: Mycobacterium tuberculosis is characterized into four global lineages with strong geographical restriction. To date one study in the United States has investigated M. tuberculosis lineage association with tuberculosis (TB) disease presentation (extra-pulmonary versus pulmonary). We update this analysis using recent (2009-2015) data from the State of Florida to measure lineage association with pulmonary TB, the infectious form of the disease. METHODS: M...
November 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28990538/recent-complications-and-issues-in-tuberculosis-treatment
#8
Mohamad Taleuzzaman, Vinay K Patel
BACKGROUND: Tuberculosis is a one of the major communicable disease which can be preventable and curable. Even though the prevalence of tuberculosis infection is more even though this disease causes major morbidity and mortality. [3] To determine association between tuberculosis (TB) related stigma and delay in seeking a treatment after the onset of symptoms associated with tuberculosis. METHODS: Physicians conducted the interviews using a structured questionnaire...
October 6, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/28990320/non-tuberculosis-mycobacterium-speciation-using-hplc-under-revised-national-tb-control-programme-rntcp-in-india
#9
George Sebastian, Sharath Burugina Nagaraja, Telagi Vishwanatha, Mamatha Voderhobli, Narayana Vijayalakshmi, Prahlad Kumar
AIMS: Non-Tuberculous Mycobacteria (NTM) are ubiquitous in nature. The data on prevalence of NTM under the RNTCP is scarce. Many NTM species have clinical significance, and hence their identification and speciation are important. METHODS AND RESULT: It is a cross-sectional study conducted at the five RNTCP accredited culture and drug susceptibility testing (CDST) laboratory. The culture isolates from AFB positive but Immunochromatographic test negative samples were taken for identification and speciation using HPLC...
October 9, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/28911359/interferon-gamma-response-to-the-treatment-of-active-pulmonary-and-extra-pulmonary-tuberculosis
#10
L Liang, R Shi, X Liu, X Yuan, S Zheng, G Zhang, W Wang, J Wang, K England, L E Via, Y Cai, L C Goldfeder, L E Dodd, C E Barry, R Y Chen
BACKGROUND: Interferon-gamma (IFN-γ) release assays (IGRAs) are used to diagnose tuberculosis (TB) but not to measure treatment response. OBJECTIVE: To measure IFN-γ response to active anti-tuberculosis treatment. DESIGN: Patients from the Henan Provincial Chest Hospital, Henan, China, with TB symptoms and/or signs were enrolled into this prospective, observational cohort study and followed for 6 months of treatment, with blood and sputum samples collected at 0, 2, 4, 6, 8, 16 and 24 weeks...
October 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28911354/drug-resistance-patterns-among-extra-pulmonary-tuberculosis-cases-in-a-tertiary-care-centre-in-north-india
#11
S K Sharma, J Chaubey, B K Singh, R Sharma, A Mittal, A Sharma
BACKGROUND: xtra-pulmonary tuberculosis (EPTB) is a growing public health concern, and data on drug resistance are limited. MATERIAL AND METHODS: Specimens from 2468 clinically diagnosed EPTB patients received at the Intermediate Reference Laboratory (IRL) of a tertiary centre in India were subjected to Ziehl-Neelsen staining, Xpert® MTB/RIF testing, liquid culture and drug susceptibility testing (DST) using automated BACTEC MGIT™ 960™. Line-probe assay (LPA) was performed on all culture-positive isolates...
October 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28911030/whole-genome-sequencing-identifies-nosocomial-transmission-of-extra-pulmonary-m-tuberculosis-response
#12
T M Walker, D W Crook, T E A Peto, C P Conlon
No abstract text is available yet for this article.
September 1, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/28890718/transmembrane-tumor-necrosis-factor-controls-myeloid-derived-suppressor-cell-activity-via-tnf-receptor-2-and-protects-from-excessive-inflammation-during-bcg-induced-pleurisy
#13
Leslie Chavez-Galan, Dominique Vesin, Husnu Uysal, Guillaume Blaser, Mahdia Benkhoucha, Bernhard Ryffel, Valérie F J Quesniaux, Irene Garcia
Pleural tuberculosis (TB) is a form of extra-pulmonary TB observed in patients infected with Mycobacterium tuberculosis. Accumulation of myeloid-derived suppressor cells (MDSC) has been observed in animal models of TB and in human patients but their role remains to be fully elucidated. In this study, we analyzed the role of transmembrane TNF (tmTNF) in the accumulation and function of MDSC in the pleural cavity during an acute mycobacterial infection. Mycobacterium bovis BCG-induced pleurisy was resolved in mice expressing tmTNF, but lethal in the absence of tumor necrosis factor...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28881572/a-single-nucleotide-polymorphism-in-the-interferon-%C3%AE-gene-ifng-874-t-a-is-associated-with-susceptibility-to-tuberculosis
#14
Zhang Wei, Shen Wenhao, Mi Yuanyuan, Li Yang, Zhou Daming, Xian Jiangchun, Jiang Jijun
Interferon-γ (Interferon gamma, IFNG) is an important cytokine involved in providing resistance to mycobacterial diseases. Common variants of IFNG, such as IFNG +874 T/A(rs2430561), may be related to tuberculosis susceptibility, but this association has not been consistently observed. We performed an updated meta-analysis to evaluate the association between the IFNG +874 T/A (rs2430561) polymorphism and tuberculosis susceptibility. PubMed and SinoMed databases were searched up to October 2016, and odds ratios (OR) and 95% confidence intervals (CI) were used to assess the association strength...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28879829/five-year-surveillance-of-human-tuberculosis-caused-by-mycobacterium-bovis-in-bologna-italy-an-underestimated-problem
#15
G Lombardi, I Botti, M L Pacciarini, M B Boniotti, G Roncarati, P Dal Monte
Human tuberculosis (TB) caused by Mycobacterium bovis surveillance is affected by a lack of data. The aims of the present study were: (i) to estimate the proportion of human TB caused by M. bovis over a period of 5 years in Bologna, Northern Italy, which, like most Western European countries, has been declared bovine TB-free; (ii) to compare the genetic profiles of M. bovis strains identified in humans with those circulating in cattle in the last 15 years in Italy. Among 511 TB patients, the proportion of human TB caused by M...
October 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28859694/usefulness-of-interferon-%C3%AE-release-assay-for-the-diagnosis-of-sputum-smear-negative-pulmonary-and-extra-pulmonary-tb-in-zhejiang-province-china
#16
Lei Ji, Yong-Liang Lou, Zhong-Xiu Wu, Jin-Qin Jiang, Xing-Li Fan, Li-Fang Wang, Xiao-Xiang Liu, Peng Du, Jie Yan, Ai-Hua Sun
BACKGROUND: Quick diagnosis of smear-negative pulmonary tuberculosis (TB) and extra-pulmonary TB are urgently needed in clinical diagnosis. Our research aims to investigate the usefulness of the interferon-γ release assay (IGRA) for the diagnosis of smear-negative pulmonary and extra-pulmonary TB. METHODS: We performed TB antibody and TB-IGRA tests on 389 pulmonary TB patients (including 120 smear-positive pulmonary TB patients and 269 smear-negative pulmonary TB patients), 113 extra-pulmonary TB patients, 81 patients with other pulmonary diseases and 100 healthy controls...
September 1, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28843822/clofazimine-protects-against-mycobacterium-tuberculosis-dissemination-in-the-cns-following-an-aerosol-challenge-in-a-murine-model
#17
Sooraj Baijnath, Chivonne Moodley, Bongani Ngcobo, Sanil D Singh, Hendrik G Kruger, Per I Arvidsson, Tricia Naicker, Alexander Pym, Thavendran Govender
BACKGROUND: Tuberculosis (TB) has been the scourge of the human race for many decades, claiming countless number of lives along the way. This is further complicated by the ability of Mycobacterium tuberculosis (M.tb) to infect extra-pulmonary sites, more specifically the brain. These forms of TB are difficult to treat due to the problems associated with drug delivery across the blood brain barrier (BBB). Linezolid (LZD and clofazimine (CFZ) are two of the more promising anti-TB antibiotics in recent times...
August 23, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28819528/-parietal-tuberculosis-complicated-by-pulmonary-embolism
#18
Regis Gothard Bopaka, Presley Lee Esthel Bemba, Hind Janah, Franck Hardain Okemba Okombi, Hasna Jabri, Wiam El Khattabi, Hicham Afif
Tuberculosis is a frequent infectious disease in developing countries. It can affect the lung or spread to other parts of the body. Extra-pulmonary tuberculosis poses a major diagnostic problem. We report the case of a patient with pulmonary embolism revealing parietal tuberculosis. This study emphasizes the importance of etiologic assessment in patients with pulmonary embolism.
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28818565/raw-starch-microparticles-have-immunostimulant-activity-in-mice-vaccinated-with-bcg-and-challenged-with-mycobacterium-tuberculosis
#19
Silvia Moreno-Mendieta, Jorge Barrios-Payán, Dulce Mata-Espinosa, Sergio Sánchez, Rogelio Hernández-Pando, Romina Rodríguez-Sanoja
The main challenge for vaccine development or improvement is the lack of safe adjuvants or immunostimulants that induce protective immune responses and can be used for mucosal immunization, which is a highly desirable strategy for vaccination against infectious diseases acquired by oral or intranasal routes. One promising alternative is the use of biodegradable and biocompatible polymeric microparticles. Recently, we developed an immobilization and delivery system with starch microparticles (SMPs) and a starch-binding domain (SBDtag) suitable for the mucosal administration of antigens and the induction of antigen-specific immune responses...
August 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28818102/field-evaluation-of-the-efficacy-of-mycobacterium-bovis-bcg-vaccine-against-tuberculosis-in-goats
#20
Enric Vidal, Claudia Arrieta-Villegas, Miriam Grasa, Irene Mercader, Mariano Domingo, Bernat Pérez de Val
BACKGROUND: Control of animal tuberculosis (TB) through vaccination has emerged as a long-term strategy to complement test and slaughter control strategy. A pilot trial under field conditions was conducted in a goat herd with high TB prevalence to assess the efficacy of the Mycobacterium bovis BCG vaccine. RESULTS: Twenty-three goat kids vaccinated with BCG and other 22 unvaccinated control kids were euthanized at 18 months post-vaccination. Gross pathological and histopathological examination of target tissues was performed for detection of tuberculous lesions and assessment of vaccine efficacy...
August 17, 2017: BMC Veterinary Research
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