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latent tuberculosis disease

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https://www.readbyqxmd.com/read/29137869/morbidity-and-mortality-in-homeless-individuals-prisoners-sex-workers-and-individuals-with-substance-use-disorders-in-high-income-countries-a-systematic-review-and-meta-analysis
#1
Robert W Aldridge, Alistair Story, Stephen W Hwang, Merete Nordentoft, Serena A Luchenski, Greg Hartwell, Emily J Tweed, Dan Lewer, Srinivasa Vittal Katikireddi, Andrew C Hayward
BACKGROUND: Inclusion health focuses on people in extremely poor health due to poverty, marginalisation, and multimorbidity. We aimed to review morbidity and mortality data on four overlapping populations who experience considerable social exclusion: homeless populations, individuals with substance use disorders, sex workers, and imprisoned individuals. METHODS: For this systematic review and meta-analysis, we searched MEDLINE, Embase, and the Cochrane Library for studies published between Jan 1, 2005, and Oct 1, 2015...
November 10, 2017: Lancet
https://www.readbyqxmd.com/read/29135150/-chronic-course-of-latent-urogenital-tuberculosis
#2
A V Lysov, V A Okhlopkov, A V Mordyk, L V Puzyreva, E M Shestak, I G Martynov
This is a case report of an elderly patient with urogenital tuberculosis and concurrent tuberculosis of peripheral inguinal lymph nodes. The disease manifested by a fistulous form of inguinal lymphadenitis for 10 years and spread to the kidneys and genitals, but the patient did not seek medical attention. Changes on the glans penis prompted him to consult dermatovenereologist. Due to ineffective treatment and uncovering the scar in the inguinal area the patient was send to an anti-tuberculosis institution, where he was diagnosed with tuberculosis involving the kidneys, prostate, epididymis, penis, inguinal lymph nodes...
October 2017: Urologii︠a︡
https://www.readbyqxmd.com/read/29126100/using-reports-of-latent-tuberculosis-infection-among-young-children-to-identify-tuberculosis-transmission-in-new-york-city-2006-2012
#3
Jennifer Sanderson Slutsker, Lisa Trieu, Aldo Crossa, Shama Desai Ahuja
Young children with latent tuberculosis infection (LTBI) indicate recent TB transmission. We reviewed surveillance reports of children with LTBI to assess whether more follow-up is needed to prevent TB among this high-risk population. All children <5 years reported to the New York City Department of Health from 2006-2012 were abstracted from the TB Registry to identify those with LTBI. Potential source cases were identified; defined as any infectious TB case diagnosed in the 2 years before a child was reported and whose residence was within <0...
November 8, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/29114781/self-administered-versus-directly-observed-once-weekly-isoniazid-and-rifapentine-treatment-of-latent-tuberculosis-infection-a-randomized-trial
#4
Robert Belknap, David Holland, Pei-Jean Feng, Joan-Pau Millet, Joan A Caylà, Neil A Martinson, Alicia Wright, Michael P Chen, Ruth N Moro, Nigel A Scott, Bert Arevalo, José M Miró, Margarita E Villarino, Marc Weiner, Andrey S Borisov
Background: Expanding latent tuberculosis treatment is important to decrease active disease globally. Once-weekly isoniazid and rifapentine for 12 doses is effective but limited by requiring direct observation. Objective: To compare treatment completion and safety of once-weekly isoniazid and rifapentine by self-administration versus direct observation. Design: An open-label, phase 4 randomized clinical trial designed as a noninferiority study with a 15% margin...
November 7, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29112743/designing-and-evaluating-interventions-to-halt-the-transmission-of-tuberculosis
#5
REVIEW
David W Dowdy, Alison D Grant, Keertan Dheda, Edward Nardell, Katherine Fielding, David A J Moore
To reduce the incidence of tuberculosis, it is insufficient to simply understand the dynamics of tuberculosis transmission. Rather, we must design and rigorously evaluate interventions to halt transmission, prioritizing those interventions most likely to achieve population-level impact. Synergy in reducing tuberculosis transmission may be attainable by combining interventions that shrink the reservoir of latent Mycobacterium tuberculosis infection (preventive therapy), shorten the time between disease onset and treatment initiation (case finding and diagnosis), and prevent transmission in key settings, such as the built environment (infection control)...
November 3, 2017: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29111156/genetics-of-human-susceptibility-to-active-and-latent-tuberculosis-present-knowledge-and-future-perspectives
#6
REVIEW
Laurent Abel, Jacques Fellay, David W Haas, Erwin Schurr, Geetha Srikrishna, Michael Urbanowski, Nimisha Chaturvedi, Sudha Srinivasan, Daniel H Johnson, William R Bishai
Tuberculosis is an ancient human disease, estimated to have originated and evolved over thousands of years alongside modern human populations. Despite considerable advances in disease control, tuberculosis remains one of the world's deadliest communicable diseases with 10 million incident cases and 1·8 million deaths in 2015 alone based on the annual WHO report, due to inadequate health service resources in less-developed regions of the world, and exacerbated by the HIV/AIDS pandemic and emergence of multidrug-resistant strains of Mycobacterium tuberculosis...
October 27, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29109018/effect-of-mycobacterium-tuberculosis-infection-on-adipocyte-physiology
#7
Janeesh Plakkal Ayyappan, Christopher Vinnard, Selvakumar Subbian, Jyothi F Nagajyothi
Tuberculosis (TB) remains as a major threat to human health worldwide despite of the availability of standardized antibiotic therapy. One of the characteristic of pathogenic Mycobacterium tuberculosis (Mtb), the causative agent of tuberculosis is its ability to persist in the host in a dormant state and develop latent infection without clinical signs of active disease. However, the mechanisms involved in bacterial persistence and the establishment of latency is not well understood. Adipose tissue is emerging as an important niche that favors actively replicating as well as dormant Mtb during acute and latent infection...
November 8, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29106984/evaluation-of-profile-and-functionality-of-memory-t-cells-in-pulmonary-tuberculosis
#8
Marcela M Tonaco, Jôsimar D Moreira, Fernanda F C Nunes, Cristina M G Loures, Larissa R Souza, Janaina M Martins, Henrique R Silva, Arthur Henrique R Porto, Vicente Paulo C P Toledo, Silvana S Miranda, Tânia Mara P D Guimarães
The cells T CD4+ T and CD8+ can be subdivided into phenotypes naïve, T of central memory, T of effector memory and effector, according to the expression of surface molecules CD45RO and CD27. The T lymphocytes are cells of long life with capacity of rapid expansion and function, after a new antigenic exposure. In tuberculosis, it was found that specific memory T cells are present, however, gaps remain about the role of such cells in the disease immunology. In this study, the phenotypic profile was analyzed and characterized the functionality of CD4+ T lymphocytes and CD8+ T cells of memory and effector, in response to specific stimuli in vitro, in patients with active pulmonary TB, compared to individuals with latent infection with Mycobacterium tuberculosis the ones treated with pulmonary TB...
December 2017: Immunology Letters
https://www.readbyqxmd.com/read/29104936/tuberculosis-state-is-associated-with-expression-of-toll-like-receptor-2-in-sputum-macrophages
#9
Karim Lakehal, David Levine, Kathleen F Kerr, Pooja Vir, Natalie Bruiners, Alfred Lardizabal, Maria Laura Gennaro, Richard Pine
During tuberculosis, macrophages are critical for both pathogen survival and host immune activation. Since expression of particular cell surface markers reflects cell function, we used flow cytometry to measure the abundance of surface markers associated with polarity, lipid uptake, or pattern recognition on macrophages found in induced sputum. Nine macrophage surface markers were examined from three groups of donors: infection-free, latent tuberculosis infection, and active pulmonary tuberculosis. Using a trend test, we found that expression of Toll-like receptor 2 was greater from absence of infection to latent infection and from latent infection to active tuberculosis...
November 2017: MSphere
https://www.readbyqxmd.com/read/29099497/tuberculosis-and-other-causes-of-uveitis-in-indonesia
#10
R La Distia Nora, R Sitompul, M Bakker, M Susiyanti, L Edwar, S Sjamsoe, G Singh, M P van Hagen, A Rothova
PurposeThe purpose of this study is to assess the causes of uveitis in Indonesia and determine the importance of tuberculosis (TB) as a cause of uveitis.Patients and methodsProspective cohort study examining 146 consecutive new human immunodeficiency virus-negative patients with active uveitis between June 2014 and May 2015. We assessed the anatomic locations and specific causes of uveitis, as well as associations with infectious and non-infectious systemic diseases. We determined the prevalence of positive QuantiFERON Tb Gold test (QFT) results in Indonesian patients with uveitis and calculated the number of patients with active systemic TB...
November 3, 2017: Eye
https://www.readbyqxmd.com/read/29097809/the-burden-and-challenges-of-tuberculosis-in-china-findings-from-the-global-burden-of-disease-study-2015
#11
Sui Zhu, Lan Xia, Shicheng Yu, Saobing Chen, Juying Zhang
To achieve the End Tuberculosis (TB) Strategy, it is important to understand the characteristics of TB in China, which may provide the government with important clues for controlling TB by 2030. Data from the Global Burden of Disease Study 2015 (GBD 2015) and Institute for Health Metrics and Evaluation (IHME) were reviewed and analysed. The age-standardized death rate decreased by 83.79% [95% uncertainty interval (UI) 73.06-87.10] from 1990 to 2015. The age-standardized prevalence of TB in males decreased steadily by 33...
November 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29080066/choosing-first-line-biologic-treatment-for-moderate-to-severe-psoriasis-what-does-the-evidence-say
#12
Mina Amin, Daniel J No, Alexander Egeberg, Jashin J Wu
An advanced understanding of the pathogenesis of psoriasis has led to the development of multiple therapeutic options for moderate-to-severe psoriasis. Tumor necrosis factor inhibitors, ustekinumab, interleukin-17 inhibitors, and guselkumab (an interleukin-23 inhibitor recently approved for psoriasis) are commercially available biologic agents for psoriasis. Evidence from clinical trials provides pertinent information regarding the safety and efficacy of biologic agents for psoriasis, which should be integrated into clinical decision making...
October 27, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/29076252/tuberculosis-screening-prior-to-anti-tumor-necrosis-factor-therapy-among-patients-with-immune-mediated-inflammatory-diseases-in-japan-a-longitudinal-study-using-a-large-scale-health-insurance-claims-database
#13
Jun Tomio, Hayato Yamana, Hiroki Matsui, Hiroyuki Yamashita, Takashi Yoshiyama, Hideo Yasunaga
AIM: Tuberculosis screening is recommended for patients with immune-mediated inflammatory diseases (IMIDs) prior to anti-tumor necrosis factor (TNF) therapy. However, adherence to the recommended practice is unknown in the current clinical setting in Japan. METHODS: We used a large-scale health insurance claims database in Japan to conduct a longitudinal observational study. Of more than two million beneficiaries in the database between 2013 and 2014, we enrolled those with IMIDs aged 15-69 years who had initiated anti-TNF therapy...
October 26, 2017: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29075289/serology-of-viral-infections-and-tuberculosis-screening-in-an-ibd-population-referred-to-a-tertiary-centre-of-southern-italy
#14
Marco Ardesia, Giuseppe Costantino, Placido Mondello, Angela Alibrandi, Walter Fries
BACKGROUND: With the introduction of more potent immunosuppressive agents in inflammatory bowel disease, prevention of opportunistic infections has become necessary by introducing screening programs. Prevalence of the most important infectious agents may vary in different geographical areas. The aim of our study was to assess the immune status for hepatitis B, varicella, mononucleosis, and cytomegalovirus infection together with the determination of the hepatitis C and tuberculosis status in Southern Italy...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/29075255/il-17-production-from-t-helper-17-mucosal-associated-invariant-t-and-%C3%AE-%C3%AE-cells-in-tuberculosis-infection-and-disease
#15
Felicity Coulter, Amy Parrish, Declan Manning, Beate Kampmann, Joseph Mendy, Mathieu Garand, David M Lewinsohn, Eleanor M Riley, Jayne S Sutherland
IL-17-producing cells have been shown to be important in the early stages of Mycobacterium tuberculosis (Mtb) infection in animal models. However, there are very little data on the role of IL-17 in human studies of tuberculosis (TB). We recruited TB patients and their highly exposed contacts who were further categorized based on results from an IFN-γ-release assay (IGRA): (1) IGRA positive (IGRA(+)) at recruitment (latently TB infected), (2) IGRA negative (IGRA(-)) at recruitment and 6 months [non-converters (NC)], and (3) IGRA(-) at recruitment and IGRA(+) at 6 months (converters)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29069328/the-relationship-between-latent-tuberculosis-infection-and-acute-myocardial-infarction
#16
Moises A Huaman, Eduardo Ticona, Gustavo Miranda, Richard J Kryscio, Raquel Mugruza, Ernesto Aranda, Paola Rondan, David Henson, Cesar Ticona, Timothy R Sterling, Carl J Fichtenbaum, Beth A Garvy
Background: Tuberculosis has been associated with an increased risk of cardiovascular disease, including acute myocardial infarction (AMI). We investigated whether latent tuberculosis infection (LTBI) associates with AMI. Methods: We conducted a case-control study in two large national public hospital networks in Lima, Peru between July 2015 and March 2017. Cases were patients with a first time diagnosis of type 1 (spontaneous) AMI. Controls were patients without a history of AMI...
October 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29069284/molecular-epidemiology-of-tuberculosis-in-british-columbia-canada-a-10-year-retrospective-study
#17
Jennifer L Guthrie, Clare Kong, David Roth, Danielle Jorgensen, Mabel Rodrigues, Linda Hoang, Patrick Tang, Victoria Cook, James Johnston, Jennifer L Gardy
Background: Understanding regional molecular epidemiology allows for the development of more efficient tuberculosis (TB) prevention strategies in low-incidence settings. Methods: We analyzed 24-locus Mycobacterial Interspersed Repetitive Units-Variable Number of Tandem Repeats (MIRU-VNTR) genotyping for 2,290 Mycobacterium tuberculosis (Mtb) clinical isolates collected in the province of British Columbia, Canada (2005-2014). Laboratory data for each isolate was linked to case-level clinical and demographic data...
October 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29066867/clinical-and-pharmacological-hallmarks-of-rifapentine-s-use-in-diabetes-patients-with-active-and-latent-tuberculosis-do-we-know-enough
#18
REVIEW
Chunlan Zheng, Xiufen Hu, Li Zhao, Minhui Hu, Feng Gao
Rifapentine is a rifamycin derivate approved by the US Food and Drug Administration in 1998 for the treatment of active, drug-susceptible tuberculosis (TB). In 2014, rifapentine was approved for the treatment of latent TB infection in patients at high risk of progression to active disease and is currently under evaluation by the European Medicines Agency. Expanding indications of rifapentine largely affect diabetes patients, since about one-third of them harbor latent TB. Clinical consequences of rifapentine use in this population and potentially harmful interactions with hypoglycemic agents are widely underexplored and generally considered similar to the ones of rifampicin...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29051973/igra-testing-in-patients-with-immune-mediated-inflammatory-diseases-which-factors-influence-the-results
#19
Juan González-Moreno, Mercedes García-Gasalla, Inés Losada-López, Carmen Cifuentes Luna, Isabel Mir Viladrich, Victoria Fernández-Baca, Araceli Serrano, Antonio Juan Mas, Joan Riera-Oliver, Antoni Payeras Cifre
Diagnosis of latent tuberculosis infection in patients with immune-mediated inflammatory chronic diseases (IMIDs) can be challenged as diagnostic test reliability could be impaired by immunosuppression. We retrospectively analyzed the Quantiferon Gold-Test in-Tube (QFT-G-IT) results of all patients with IMIDs seen at the Department of Internal Medicine of Son Llàtzer Hospital, Palma de Mallorca (Spain), looking for the factors related to QFT-G-IT indeterminate results. During the study period (2008-2015), 520 patients met the inclusion criteria...
October 19, 2017: Rheumatology International
https://www.readbyqxmd.com/read/29050771/host-blood-rna-signatures-predict-the-outcome-of-tuberculosis-treatment
#20
Ethan G Thompson, Ying Du, Stephanus T Malherbe, Smitha Shankar, Jackie Braun, Joe Valvo, Katharina Ronacher, Gerard Tromp, David L Tabb, David Alland, Shubhada Shenai, Laura E Via, James Warwick, Alan Aderem, Thomas J Scriba, Jill Winter, Gerhard Walzl, Daniel E Zak
Biomarkers for tuberculosis treatment outcome will assist in guiding individualized treatment and evaluation of new therapies. To identify candidate biomarkers, RNA sequencing of whole blood from a well-characterized TB treatment cohort was performed. Application of a validated transcriptional correlate of risk for TB revealed symmetry in host gene expression during progression from latent TB infection to active TB disease and resolution of disease during treatment, including return to control levels after drug therapy...
December 2017: Tuberculosis
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