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Pulmonary tuberculosis

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https://www.readbyqxmd.com/read/28444009/-antituberculosis-drug-resistance-in-the-border-of-brazil-with-paraguay-and-bolivia
#1
Marli Marques, Eunice Atsuko Totumi Cunha, Maria do Socorro Nantua Evangelista, Paulo Cesar Basta, Ana Maria Campos Marques, Julio Croda, Sonia Maria Oliveira de Andrade
Objective: To estimate the rate of drug resistance among pulmonary tuberculosis (PTB) cases in the state of Mato Grosso do Sul, Brazil, and specifically in the border areas with Paraguay and Bolivia, as well as to identify associated risk factors. Method: The present cross-sectional, epidemiological study focused on PTB cases recorded between January 2007 and December 2010 in the State Reportable Disease Information System with results of susceptibility tests to rifampicin, isoniazid, ethambutol, and streptomycin...
April 20, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28443577/aretaeus-of-cappadocia-and-pulmonary-tuberculosis
#2
Konstantinos Laios, George Androutsos, Marilita M Moschos
No abstract text is available yet for this article.
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443247/evaluation-of-a-new-ifn-%C3%AE-release-assay-for-rapid-diagnosis-of-active-tuberculosis-in-a-high-incidence-setting
#3
Gen Li, Feng Li, Hui-Min Zhao, Han-Li Wen, Hai-Cong Li, Chun-Ling Li, Ping Ji, Peng Xu, Kang Wu, Zhi-Dong Hu, Shui-Hua Lu, Douglas B Lowrie, Jian-Xin Lv, Xiao-Yong Fan
Blood-based interferon-gamma (IFN-γ) release assays (IGRAs) have been proven to be useful in the diagnosis of Mycobacterium tuberculosis (Mtb) infection. However, IGRAs have not been recommended for clinical practice in most low-income settings due to cost-intensive limitations and shortage of clinical data available. The established T-SPOT. TB assay containing Mtb-specific antigens ESAT-6 and CFP10 are widely used for immunodiagonsis of Mtb infection, but the high cost is one of the restricting factors against its clinical application in the developing countries...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28442117/tuberculosis-toxoplasmosis-co-infection-in-egyptian-patients-a-reciprocal-impact
#4
Mervat Mashaly, Nairmen Nabih, Iman M Fawzy, Abeer A El Henawy
OBJECTIVE: To assess the concurrent toxoplasmosis infection in Egyptian TB patients and the impact of each infection on the other in terms of increased severity of TB or reactivation of latent Toxoplasma infection. METHODS: Three hundred suspected pulmonary TB cases were initially screened for TB using direct Ziehl Neelsen staining and Lowenstein Jensen culture of their sputa. Rifampicin resistance was detected by Xpert MTB/RIF assay. Control group of 30 age and sex-matched healthy individuals negative for TB was included for comparison...
March 2017: Asian Pacific Journal of Tropical Medicine
https://www.readbyqxmd.com/read/28438924/analysis-of-the-effects-on-the-qt-interval-of-a-gatifloxacin-containing-regimen-versus-standard-treatment-of-pulmonary-tuberculosis
#5
Piero L Olliaro, Corinne Merle, Thuli Mthiyane, Boubacar Bah, Ferdinand Kassa, Evans Amukoye, Alimatou N' Diaye, Christian Perronne, Christian Lienhardt, Helen Mcilleron, Katherine Fielding
Background: The effects on ventricular repolarisation - recorded on the ECG as lengthening of the QT interval - of acute tuberculosis and those of standard and alternative anti-tuberculosis regimens are under-documented. A correction factor (QTc) is introduced to make the QT independent of the heart rate, translating into the slope of the regression line between QT and heart rate being close to zero.Methods: ECGs were performed pre- and 1-5 hours post-dosing (month 1, 2, end of treatment) around drugs' peak concentration time in tuberculosis patients treated with either the standard 6-month treatment (rifampicin and isoniazid for 6 months, pyrazinamide and ethambutol for 2 months; "control") or a test regimen with gatifloxacin, rifampicin and isoniazid given for 4 months (pyrazinamide for the first 2 months) as part of the OFLOTUB study, a randomized controlled trial conducted in five African countries...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28436741/deep-learning-at-chest-radiography-automated-classification-of-pulmonary-tuberculosis-by-using-convolutional-neural-networks
#6
Paras Lakhani, Baskaran Sundaram
Purpose To evaluate the efficacy of deep convolutional neural networks (DCNNs) for detecting tuberculosis (TB) on chest radiographs. Materials and Methods Four deidentified HIPAA-compliant datasets were used in this study that were exempted from review by the institutional review board, which consisted of 1007 posteroanterior chest radiographs. The datasets were split into training (68.0%), validation (17.1%), and test (14.9%). Two different DCNNs, AlexNet and GoogLeNet, were used to classify the images as having manifestations of pulmonary TB or as healthy...
April 24, 2017: Radiology
https://www.readbyqxmd.com/read/28436340/racial-inequality-in-the-annual-risk-of-tuberculosis-infection-in-the-united-states-1910-1933
#7
J L Zelner, C Muller, J J Feigenbaum
Tuberculosis (TB) mortality rates in the USA fell rapidly from 1910 to 1933. However, during this period, racial disparities in TB mortality in the nation's expanding cities grew. Because of long delays between infection and disease, TB mortality is a poor indicator of short-term changes in transmission. We estimated the annual risk of TB infection (ARTI) in 11 large US cities to understand whether rising inequality in mortality reflected rising inequality in ARTI using city-level TB mortality data compiled by the US Department of Commerce from 1910 to 1933...
April 24, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28434249/pulmonary-tuberculosis-is-associated-with-biomass-fuel-use-among-rural-women-in-pakistan-an-age-and-residence-matched-case-control-study
#8
Unaib Rabbani, Ambreen Sahito, Asaad Ahmed Nafees, Ambreen Kazi, Zafar Fatmi
Facility-based, age- and residential area-matched case-control study was conducted in Sindh, Pakistan to determine association between biomass fuel use for cooking and pulmonary tuberculosis (TB). Cases were women with pulmonary TB, and controls were those suffering from other diseases. Current users of biomass fuel were at higher risk of pulmonary TB (adjusted matched odds ratio [mOR] = 3.0; 95% CI = 1.1-4.9) compared with nonusers. In comparison with former biomass users (women not using biomass for >10 years), recent biomass users (women who switched from biomass to nonbiomass ≤10 years ago), and current (lifetime) users were at a higher risk in a dose-response manner (adjusted mOR = 2...
April 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28431548/water-pipe-smoke-condensate-increases-the-internalization-of-mycobacterium-bovis-of-type-ii-alveolar-epithelial-cells-a549
#9
Esmaeil Mortaz, Shamila D Alipoor, Masoud Movassaghi, Mohammad Varahram, Jahangir Ghorbani, Gert Folkerts, Johan Garssen, Ian M Adcock
BACKGROUND: Tuberculosis (TB) is a major global health problem, and there is an association between tobacco smoke and TB. Water pipe smoking has become an increasing problem not only in Middle Eastern countries but also globally because users consider it as safer than cigarettes. The presence of high levels of toxic substances in water-pipe smoke may be a predisposing factor that enhances the incidence of pulmonary disorders. For example, uncontrolled macropinocytosis in alveolar epithelial cells following exposure to water-pipe smoke may predispose subjects to pulmonary infection...
April 21, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28430807/diagnosis-of-smear-negative-tuberculosis-is-greatly-improved-by-xpert-mtb-rif
#10
Giulia Lombardi, Valentina Di Gregori, Nicolò Girometti, Marina Tadolini, Francesco Bisognin, Paola Dal Monte
BACKGROUND: Diagnosis of pulmonary (PTB) and extra-pulmonary tuberculosis (EPTB) in smear-negative patients can be difficult. We assessed retrospectively the performance of Xpert MTB/RIF system (Xpert, Cepheid) in diagnosing smear-negative tuberculosis (TB), which represents the most common form of TB in a low incidence setting. METHODS: Performance of Xpert was compared to acid-fast microscopic examination using Ziehl-Neelsen (ZN) stain in patients with culture-confirmed TB...
2017: PloS One
https://www.readbyqxmd.com/read/28430622/serious-adverse-events-of-cell-therapy-for-respiratory-diseases-a-systematic-review-and-meta-analysis
#11
REVIEW
Runzhen Zhao, Zhenlei Su, Jing Wu, Hong-Long Ji
BACKGROUND: Cell therapy holds the most promising for acute and chronic deleterious respiratory diseases. However, the safety and tolerance for lung disorders are controversy. METHODS: We undertook a systematic review and meta-analyses of all 23 clinical studies of cell therapy. The outcomes were odds ratio (OR), risk difference (RD), Peto OR, relative risk, and mean difference of serious adverse events. RESULTS: 342 systemic infusions and 57 bronchial instillations (204 recipients) of cells were analyzed for acute respiratory distress syndrome (ARDS), bronchopulmonary dysplasia, pulmonary arterial hypertension, silicosis, sarcoidosis, extensively drug-resistant tuberculosis, chronic obstructive pulmonary diseases (COPD), and idiopathic pulmonary fibrosis...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429346/dynamic-and-contrast-enhanced-ct-imaging-of-lung-carcinoma-pulmonary-tuberculoma-and-inflammatory-pseudotumor
#12
C-R Li, Y-Z Li, Y-M Li, Y-S Zheng
OBJECTIVE: Our main aim was to investigate the effect of dynamic and contrast enhanced CT imaging on differential diagnosis of lung carcinoma, pulmonary tuberculoma, inflammatory pseudotumor, and coexisting pulmonary tuberculosis and lung cancer. PATIENTS AND METHODS: About, 144 patients with pulmonary sarcoidosis as the study subjects were chosen which included: 36 patients with lung carcinoma, 36 patients with pulmonary tuberculoma, 36 patients with inflammatory pseudotumor, 36 patients with coexisting pulmonary tuberculosis and lung cancer...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28428201/dihydrolipoamide-dehydrogenase-lpd-rv0462-specific-t-cell-recall-responses-are-higher-in-healthy-household-contacts-of-tb-a-novel-immunodominant-antigen-from-m-tuberculosis
#13
Santhi Devasundaram, Alamelu Raja
The partial effectiveness against pulmonary tuberculosis (PTB), displayed by the existing tuberculosis (TB) vaccine, bacillus Calmette-Guérin (BCG), highlights the need for novel vaccines to replace or improve BCG. In TB immunology, antigen-specific cellular immune response is frequently considered indispensable. Latency-associated antigens are intriguing as targets for TB vaccine development. The mycobacterial protein, dihydrolipoamide dehydrogenase (Lpd; Rv0462), the third enzyme of the pyruvate dehydrogenase (PDH) complex, facilitates Mycobacterium tuberculosis to resist host reactive nitrogen intermediates...
April 20, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28426759/health-related-quality-of-life-in-south-african-patients-with-pulmonary-tuberculosis
#14
Tanja Kastien-Hilka, Bernd Rosenkranz, Edina Sinanovic, Bryan Bennett, Matthias Schwenkglenks
BACKGROUND: The evaluation of patient-reported health-related quality of life (HRQOL) in pulmonary tuberculosis (TB) contributes to a comprehensive understanding of the burden associated with this disease. The aim of this study was to assess the overall impact of TB on the health status and on single health domains identified in the WHO definition of health, including physical, mental and social health aspects. METHODS: Four instruments for HRQOL evaluation were applied in a longitudinal multicentre study during six-month standard TB treatment in South Africa...
2017: PloS One
https://www.readbyqxmd.com/read/28425873/rapid-detection-of-mycobacterium-tuberculosis-and-rifampicin-resistance-in-extrapulmonary-tuberculosis-and-sputum-smear-negative-pulmonary-suspects-using-xpert-mtb-rif
#15
Irfan Ullah, Arshad Javaid, Haleema Masud, Mazhar Ali, Anila Basit, Waqas Ahmad, Faisal Younis, Rehana Yasmin, Afsar Khan, Abdul Jabbar, Masroor Husain, Zahid Ahmad Butt
BACKGROUND: Tuberculosis (TB) is a serious public health problem in developing countries such as Pakistan. Rapid diagnosis of TB and detection of drug resistance are very important for timely and appropriate management of multidrug-resistant TB (MDR-TB). OBJECTIVE: The purpose of this study was to determine the diagnostic efficacy of the Xpert MTB/RIF assay for rapid diagnosis of TB and detection of rifampicin (RIF) resistance in extrapulmonary and smear-negative pulmonary TB suspects...
April 21, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28424703/immune-responses-to-bacillus-calmette-gu%C3%A3-rin-vaccination-why-do-they-fail-to-protect-against-mycobacterium-tuberculosis
#16
REVIEW
Juan I Moliva, Joanne Turner, Jordi B Torrelles
Mycobacterium tuberculosis (M.tb), the causative agent of tuberculosis (TB), is the current leading cause of death due to a single infectious organism. Although curable, the broad emergence of multi-, extensive-, extreme-, and total-drug resistant strains of M.tb has hindered eradication efforts of this pathogen. Furthermore, computational models predict a quarter of the world's population is infected with M.tb in a latent state, effectively serving as the largest reservoir for any human pathogen with the ability to cause significant morbidity and mortality...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28424536/rifapentine-linezolid-loaded-plga-microspheres-for-interventional-therapy-of-cavitary-pulmonary-tuberculosis-preparation-and-in-vitro-characterization
#17
Jieyun Huang, Zhi Chen, Ying Li, Li Li, Guangyu Zhang
In this study, we aimed to design controlled-release microspheres for the treatment of cavitary pulmonary tuberculosis (TB) for solving the issues of poor drug delivery and short duration maintained at effective drug concentration during bronchoscopic interventional therapy. We fabricated rifapentine-linezolid-loaded poly(lactic acid-co-glycolic acid) microspheres (RLPMs) using the oil-in-water emulsion solvent evaporation method and assessed their in vitro release as well as the bronchial mucosal retention characteristics...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28424495/significance-of-genetic-polymorphisms-in-long-non-coding-rna-ac079767-4-in-tuberculosis-susceptibility-and-clinical-phenotype-in-western-chinese-han-population
#18
Zhenzhen Zhao, Mei Zhang, Jun Ying, Xuejiao Hu, Jingya Zhang, Yanhong Zhou, Yi Zhou, Xingbo Song, Binwu Ying
Recent studies have implicated long non-coding RNA, AC079767.4, as a highly susceptible gene in tuberculosis. The aim of the study was to preliminarily explore the possible association of single nucleotide polymorphisms (SNPs) in AC079767.4 gene with clinical phenotypes and TB susceptibility in Western Chinese Han population. The improved multiplex ligation detection reaction (iMLDR) method was employed to genotype 4 SNPs in AC079767.4 in 554 tuberculosis patients and 561 healthy individuals. In subgroup analysis, only the C allele for rs12477677 was associated with the decreased susceptibility to pulmonary TB with a p-value of 0...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423095/first-reported-case-of-fulminant-tb-with-progression-of-infection-from-lungs-to-the-genitourinary-region
#19
Tatjana Adzic-Vukicevic, Aleksandra Barac, Aleksandra Dudvarski Ilic, Radmila Jankovic, Jovan Hadzi-Djokic, Dragica Pesut
Although tuberculosis (TB) is a curable disease, it continues to be one of the leading infections associated with death in the world. Extra-pulmonary TB (EPTB) occurs in approximately 10% of the total cases, presenting with lymph nodes, pleura, bone and genitourinary tract as the most common locations. Genitourinary tuberculosis, the second most common EPTB, is very difficult to diagnose unless there is a high index of suspicion. Isolated TB orchitis or prostatitis without clinical evidence of renal involvement is a rare entity among genitourinary tuberculosis...
April 13, 2017: Revista do Instituto de Medicina Tropical de São Paulo
https://www.readbyqxmd.com/read/28423094/complications-of-chronic-necrotizing-pulmonary-aspergillosis-review-of-published-case-reports
#20
Aleksandra Barac, Tatjana Adzic Vukicevic, Aleksandra Dudvarski Ilic, Salvatore Rubino, Vladimir Zugic, Goran Stevanovic
Chronic necrotizing pulmonary aspergillosis (CNPA), a form of chronic pulmonary aspergillosis (CPA), affects immunocompetent or mildly immunocompromised persons with underlying pulmonary disease. These conditions are associated with high morbidity and mortality and often require long-term antifungal treatment. The long-term prognosis for patients with CNPA and the potential complications of CNPA have not been well documented. The aim of this study was to review published papers that report cases of CNPA complications and to highlight risk factors for development of CNPA...
April 13, 2017: Revista do Instituto de Medicina Tropical de São Paulo
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