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Pulmonary tuberculosis

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https://www.readbyqxmd.com/read/29791904/the-cgas-sting-pathway-is-important-for-dendritic-cell-activation-but-is-not-essential-to-induce-protective-immunity-against-mycobacterium-tuberculosis-infection
#1
Fabio V Marinho, Sulayman Benmerzoug, Stephanie Rose, Priscila C Campos, João T Marques, André Báfica, Glen Barber, Bernhard Ryffel, Sergio C Oliveira, Valerie F J Quesniaux
Mycobacterium tuberculosis (Mtb) infection remains a major public health concern. The STING (stimulator of interferon genes) pathway contributes to the cytosolic surveillance of host cells. Most studies on the role of STING activation in Mtb infection have focused on macrophages. Moreover, a detailed investigation of the role of STING during Mtb infection in vivo is required. Here, we deciphered the involvement of STING in the activation of dendritic cells (DCs) and the host response to Mtb infection in vivo...
May 23, 2018: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29791555/who-are-the-patients-with-tuberculosis-who-are-diagnosed-in-emergency-facilities-an-analysis-of-treatment-outcomes-in-the-state-of-s%C3%A3-o-paulo-brazil
#2
Otavio Tavares Ranzani, Laura Cunha Rodrigues, Eliseu Alves Waldman, Elena Prina, Carlos Roberto Ribeiro Carvalho
OBJECTIVE: Early tuberculosis diagnosis and treatment are determinants of better outcomes and effective disease control. Although tuberculosis should ideally be managed in a primary care setting, a proportion of patients are diagnosed in emergency facilities (EFs). We sought to describe patient characteristics by place of tuberculosis diagnosis and determine whether the place of diagnosis is associated with treatment outcomes. A secondary objective was to determine whether municipal indicators are associated with the probability of tuberculosis diagnosis in EFs...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791554/chest-x-ray-and-chest-ct-findings-in-patients-diagnosed-with-pulmonary-tuberculosis-following-solid-organ-transplantation-a-systematic-review
#3
Irai Luis Giacomelli, Roberto Schuhmacher Neto, Edson Marchiori, Marisa Pereira, Bruno Hochhegger
The objective of this systematic review was to select articles including chest X-ray or chest CT findings in patients who developed pulmonary tuberculosis following solid organ transplantation (lung, kidney, or liver). The following search terms were used: "tuberculosis"; "transplants"; "transplantation"; "mycobacterium"; and "lung". The databases used in this review were PubMed and the Brazilian Biblioteca Virtual em Saúde (Virtual Health Library). We selected articles in English, Portuguese, or Spanish, regardless of the year of publication, that met the selection criteria in their title, abstract, or body of text...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791553/epidemiological-aspects-clinical-manifestations-and-prevention-of-pediatric-tuberculosis-from-the-perspective-of-the-end-tb-strategy
#4
Anna Cristina Calçada Carvalho, Claudete Aparecida Araújo Cardoso, Terezinha Miceli Martire, Giovanni Battista Migliori, Clemax Couto Sant'Anna
Tuberculosis continues to be a public health priority in many countries. In 2015, tuberculosis killed 1.4 million people, including 210,000 children. Despite the recent progress made in the control of tuberculosis in Brazil, it is still one of the countries with the highest tuberculosis burdens. In 2015, there were 69,000 reported cases of tuberculosis in Brazil and tuberculosis was the cause of 4,500 deaths in the country. In 2014, the World Health Organization approved the End TB Strategy, which set a target date of 2035 for meeting its goals of reducing the tuberculosis incidence by 90% and reducing the number of tuberculosis deaths by 95%...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29791542/impact-of-smoking-on-sputum-culture-conversion-and-pulmonary-tuberculosis-treatment-outcomes-in-brazil-a-retrospective-cohort-study
#5
Michelle Cailleaux-Cezar, Carla Loredo, José Roberto Lapa E Silva, Marcus Barreto Conde
OBJECTIVE: To evaluate the impact of smoking on pulmonary tuberculosis (PTB) treatment outcomes and the two-month conversion rates for Mycobacterium tuberculosis sputum cultures among patients with culture-confirmed PTB in an area with a moderate incidence of tuberculosis in Brazil. METHODS: This was a retrospective cohort study of PTB patients diagnosed and treated at the Thoracic Diseases Institute of the Federal University of Rio de Janeiro between 2004 and 2012...
April 2018: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/29790656/clinical-characteristics-and-validation-of-bronchiectasis-severity-score-systems-for-post-tuberculosis-bronchiectasis
#6
Hong Wang, Xiao-Bin Ji, Cheng-Wei Li, Hai-Wen Lu, Bei Mao, Shuo Liang, Ke-Bin Cheng, Jiu-Wu Bai, Miguel Angel Martinez-Garcia, Jin-Fu Xu
INTRODUCTION: Lung damage related to tuberculosis is a major contributor to the etiology of bronchiectasis in China. It is unknown whether bronchiectasis severity score systems are applicable in these cases. OBJECTIVES: To evaluate the clinical characteristics and validation of bronchiectasis severity score systems for post-tuberculosis bronchiectasis. METHODS: The study enrolled 596 bronchiectasis patients in Shanghai Pulmonary Hospital between January 2011 and December 2012...
May 23, 2018: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/29788943/profiling-non-tuberculous-mycobacteria-in-an-asian-setting-characteristics-and-clinical-outcomes-of-hospitalized-patients-in-singapore
#7
Albert Y H Lim, Sanjay H Chotirmall, Eric T K Fok, Akash Verma, Partha P De, Soon Keng Goh, Ser Hon Puah, Daryl E L Goh, John A Abisheganaden
BACKGROUND: Non-tuberculous mycobacteria (NTM) infection is an increasing problem worldwide. The epidemiology of NTM in most Asian countries is unknown. This study investigated the epidemiology, and clinical profile of inpatients in whom NTM was isolated from various anatomical sites in a Singaporean population attending a major tertiary referral centre. METHODS: Demographic profile, clinical data, and characteristics of patients hospitalized with NTM isolates at a major tertiary hospital over two-year period were prospectively assessed (2011-2012)...
May 22, 2018: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/29788138/gram-negative-bacilli-are-a-major-cause-of-secondary-pneumonia-in-patients-with-pulmonary-tuberculosis-evidence-from-a-cross-sectional-study-in-a-tertiary-hospital-in-nigeria
#8
Garba Iliyasu, Aminu B Mohammad, Ahmad M Yakasai, Farouq M Dayyab, Joan Oduh, Abdulrazaq G Habib
Background: This study was aimed at describing the profile of bacterial aetiology of secondary pneumonia in pulmonary tuberculosis (PTB) patients. Methods: A 22-month analysis of patients with PTB and secondary bacterial pneumonia was conducted. Data on isolates recovered and the antimicrobial susceptibility profile were recorded. Results: Of the 141 patients, there were 79 (56%) males and the mean age was 35.98±15.93. Gram-negative bacilli were isolated with equal frequency as Streptococcus pneumoniae (63 [44...
May 19, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29787713/interferon-gamma-release-assay-performance-in-northeastern-brazil-influence-of-the-ifng-874-a-t-polymorphism
#9
Valdirene Leão Carneiro, Maria Teresita Bendicho, Rosalina Guedes Santos, Marilda Casela, Eduardo M Netto, Scarlet Torres Moraes Mota, Iza Cristina Araújo Pina, Roberto Meyer Nascimento, Songeli Menezes Freire, Theolis Barbosa
INTRODUCTION: Latent tuberculosis infection diagnosis based on the release of interferon-gamma in cultures of peripheral blood cells stimulated with Mycobacterium tuberculosis antigens has replaced the tuberculin skin test in many countries with low tuberculosis prevalence. The IFN-γ production can be influenced by genetic polymorphisms, of which the IFNG+874 (rs62559044) locus is the most studied. We investigated the possible influence of the IFNG+874 A/T polymorphism on interferon-gamma test performance...
May 19, 2018: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29787596/survival-and-predictors-of-mortality-among-children-co-infected-with-tuberculosis-and-human-immunodeficiency-virus-at-university-of-gondar-comprehensive-specialized-hospital-northwest-ethiopia-a-retrospective-follow-up-study
#10
Kendalem Asmare Atalell, Nigusie Birhan Tebeje, Daniale Tekelia Ekubagewargies
BACKGROUND: Tuberculosis (TB) is the leading cause of death in Human immunodeficiency virus (HIV) infected children globally. The aims of this study were to determine the mortality rate and to identify the predictors of mortality among TB/HIV co-infected children at University of Gondar Comprehensive Specialized Hospital. METHOD: A retrospective follow-up study was conducted among TB/HIV co-infected children from February 2005 to March 2017. A Kaplan-Meier curve was used to estimate the median survival time...
2018: PloS One
https://www.readbyqxmd.com/read/29785553/antituberculosis-drug-induced-fixed-drug-eruption-a-case-report
#11
Jitendra H Vaghela, Vivek Nimbark, Manish Barvaliya, Hita Mehta, Bhavesh Chavada
Fixed drug eruption (FDE) was caused by fixed-dose combination (FDC) of antituberculosis drugs in the form of tablet Forecox® (rifampicin [rifampin] 225 mg + isoniazid 150 mg + pyrazinamide 750 mg + ethambutol 400 mg) in a 40-year-old male patient with a history of drug allergy. The patient developed FDE after taking the third dose of tablet Forecox® for pulmonary tuberculosis. Tablet Forecox® was withdrawn and the patient recovered from the reaction after 15 days of treatment for FDE. As per World Health Organization-Uppsala Monitoring Centre (WHO-UMC) and Naranjo causality assessment criteria, the association between the reaction and tablet Forecox® was possible and probable, respectively...
May 21, 2018: Drug Safety—Case Reports
https://www.readbyqxmd.com/read/29785203/conflict-and-tuberculosis-in-sudan-a-10-year-review-of-the-national-tuberculosis-programme-2004-2014
#12
Sara A Hassanain, Jeffrey K Edwards, Emilie Venables, Engy Ali, Khadiga Adam, Hafiz Hussien, Asma Elsony
Background: Sudan is a fragile developing country, with a low expenditure on health. It has been subjected to ongoing conflicts ever since 1956, with the Darfur crisis peaking in 2004. The conflict, in combination with the weak infrastructure, can lead to poor access to healthcare. Hence, this can cause an increased risk of infection, greater morbidity and mortality from tuberculosis (TB), especially amongst the poor, displaced and refugee populations. This study will be the first to describe TB case notifications, characteristics and outcomes over a ten-year period in Darfur in comparison with the non-conflict Eastern zones within Sudan...
2018: Conflict and Health
https://www.readbyqxmd.com/read/29779781/tag-array-gene-chip-rapid-diagnosis-anti-tuberculosis-drug-resistance-in-pulmonary-tuberculosis-a-feasibility-study
#13
Wenjie Wu, Peng Cheng, Jingtong Lyu, Zehua Zhang, Jianzhong Xu
OBJECTIVE: We developed a Tag Array chip for detecting first- and second-line anti tuberculosis drug resistance in pulmonary tuberculosis and compared the analytical performance of the gene chip to that of phenotypic drug susceptibility testing (DST). METHODS: From November 2011 to April 2016.234 consecutive culture-confirmed, clinically and imaging diagnosed patients with pulmonary tuberculosis from Southwest Hospital, Chongqing were enrolled into the study. Specimens collected during sputum or bronchoalveolar lavage fluid from the pulmonary tuberculosis patients were subjected to M...
May 2018: Tuberculosis
https://www.readbyqxmd.com/read/29779779/evaluation-of-pyrosequencing-for-extensive-drug-resistance-defining-anti-tuberculosis-drugs-for-use-in-public-healthcare
#14
Remya Nambiar, Daksha Shah, Kanchan Ajbani, Mubin Kazi, Meeta Sadani, Anjali Shetty, Padmaja Keskar, Sanjeev Kamble, Alex van Belkum, Camilla Rodrigues
MGIT 960 drug susceptibility testing (DST) for Mycobacterium tuberculosis was compared for performance and speed with pyrosequencing (PSQ). Pulmonary samples (n = 100), from GeneXpert/MTB/Rifampicin-resistant patients receiving second-line treatment for 1-3 months, were subjected to DST and PSQ for seven drugs (isoniazid, rifampicin, kanamycin, amikacin, capreomycin, moxifloxacin, and ofloxacin). The mean time-to-result was 35 and two days for DST and PSQ, respectively. Average concordancy was 92.7%. Theoretically, PSQ showed substantial incremental value over the commercial Genotype MTBDRplus/sl...
May 2018: Tuberculosis
https://www.readbyqxmd.com/read/29779492/pretreatment-chest-x-ray-severity-and-its-relation-to-bacterial-burden-in-smear-positive-pulmonary-tuberculosis
#15
S E Murthy, F Chatterjee, A Crook, R Dawson, C Mendel, M E Murphy, S R Murray, A J Nunn, P P J Phillips, Kasha P Singh, T D McHugh, S H Gillespie
BACKGROUND: Chest radiographs are used for diagnosis and severity assessment in tuberculosis (TB). The extent of disease as determined by smear grade and cavitation as a binary measure can predict 2-month smear results, but little has been done to determine whether radiological severity reflects the bacterial burden at diagnosis. METHODS: Pre-treatment chest x-rays from 1837 participants with smear-positive pulmonary TB enrolled into the REMoxTB trial (Gillespie et al...
May 21, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29778620/-factors-associated-with-non-conversion-of-the-direct-smear-after-the-initial-phase-of-anti-tuberculous-treatment-a-study-undertaken-in-three-tuberculosis-management-centres-in-south-benin
#16
G Agodokpessi, A P Wachinou, B Awanou, M Gninafon
The objective of this work was to describe the profile of routinely managed tuberculosis patients whose sputum smear did not become negative after the initial phase of anti-tuberculous treatment and to analyze the factors associated with this. With this aim a cross-sectional, retrospective, descriptive and analytical study was carried out in a population of adults with pulmonary tuberculosis (PTB) between 2013 and 2014 in three cities in southern Benin (Cotonou, Porto-Novo and Abomey). The data of the patients who did not convert (PTB +) were compared with those who did (PTB-)...
May 16, 2018: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29776936/ethambutol-and-isoniazid-induced-severe-neurotoxicity-in-a-patient-undergoing-continuous-ambulatory-peritoneal-dialysis
#17
Meijun Si, Huiqun Li, Yanru Chen, Hui Peng
Ethambutol (EMB) and isoniazid (INH) are the first-line antituberculosis (anti-TB) drugs. However, their neurotoxicity could cause adverse effect and the patients with end-stage renal disease are especially vulnerable due to the reduction in renal drug clearance. Here, we report a 36-year-old man receiving peritoneal dialysis developed progressive paralysis in lower extremities, vision loss and hoarseness 4 months after anti-TB treatment with INH, EMB and rifapentine because of concomitant pulmonary tuberculosis...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29776430/recurrent-bilateral-mycobacterium-bovis-necrotizing-epididymitis-a-case-report
#18
Simon Grandjean-Lapierre, Simon-Djamel Thiberville, Mustapha Fellag, Christophe Eghazarian, Feriel Bouzid, Christina Gavril, Michel Drancourt
BACKGROUND: Mycobacterium bovis causing tuberculosis in animals is responsible for zoonotic tuberculosis in patients. Veterinary control measures and milk pasteurization has led to a significant decrease in human cases of M. bovis infections in developed countries. CASE PRESENTATION: We diagnosed recurrent M. bovis epididymitis in a 63-year old Caucasian man without any signs of pulmonary or disseminated disease. Relevant epidemiological expositions included camel milk drinking during prolonged travels in Niger, prior to initial clinical manifestations...
May 18, 2018: BMC Research Notes
https://www.readbyqxmd.com/read/29774023/ferritin-h-deficiency-in-myeloid-compartments-dysregulates-host-energy-metabolism-and-increases-susceptibility-to-mycobacterium-tuberculosis-infection
#19
Vineel P Reddy, Krishna C Chinta, Vikram Saini, Joel N Glasgow, Travis D Hull, Amie Traylor, Fernanda Rey-Stolle, Miguel P Soares, Rajhmun Madansein, Md Aejazur Rahman, Coral Barbas, Kievershen Nargan, Threnesan Naidoo, Pratistadevi K Ramdial, James F George, Anupam Agarwal, Adrie J C Steyn
Iron is an essential factor for the growth and virulence of Mycobacterium tuberculosis ( Mtb) . However, little is known about the mechanisms by which the host controls iron availability during infection. Since ferritin heavy chain (FtH) is a major intracellular source of reserve iron in the host, we hypothesized that the lack of FtH would cause dysregulated iron homeostasis to exacerbate TB disease. Therefore, we used knockout mice lacking FtH in myeloid-derived cell populations to study Mtb disease progression...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29769775/primary-gingival-tuberculosis-in-pregnancy-a-rare-combination
#20
Shweta Sharma, Abdul Ahad, Narinder Dev Gupta, Vivek Kumar Sharma
Tuberculosis (TB), a common chronic-specific granulomatous disease, has become rare in the developed countries. However, it is still a common cause of morbidity and mortality in India. Although it commonly involves the lungs, its presentation in the oral cavity is quite uncommon. The very rare incidence of primary gingival TB, particularly in the absence of active pulmonary involvement often leads to misdiagnosis. Clinical features of oral lesions may include ulceration, nodules, granulomas, and fissures. TB in pregnant women is a major cause of obstetric complications and increased risk of maternal and child mortality...
March 2018: Journal of Indian Society of Periodontology
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