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https://www.readbyqxmd.com/read/29349098/comparison-of-hiv-testing-among-children-and-adults-with-tuberculosis-vietnam
#1
Tyson Volkmann, Binh Nguyen, Ebelechukwu G Anyalechi, Kimberly N Chapman Hedges, Ho Van Anh, Pham Quang Tue, Nguyen Viet Nhung, Eleanor S Click
HIV testing among persons with tuberculosis (TB) results in high-yield identification of persons infected with HIV. To evaluate differences in HIV testing among children versus adults with TB in Vietnam, we collected and analyzed age-disaggregated facility and aggregated provincial data from the National Tuberculosis Program. HIV testing was incompletely documented for >70% of children, whereas adult testing data were >90% complete. Standardized training of personnel for universal HIV testing and documentation for children with TB could improve HIV case-detection and permit linking of children with HIV to antiretroviral treatment to prevent morbidity and mortality...
December 2017: Journal of Tuberculosis Research
https://www.readbyqxmd.com/read/29348181/intensity-of-exposure-to-pulmonary-tuberculosis-determines-risk-of-tuberculosis-infection-and-disease
#2
Carlos Acuña-Villaorduña, Edward C Jones-López, Geisa Fregona, Patricia Marques-Rodrigues, Mary Gaeddert, Carolina Geadas, David Jamil Hadad, Laura F White, Lucilia Pereira Dutra Molina, Solange Vinhas, Rodrigo Ribeiro-Rodrigues, Padmini Salgame, Moises Palaci, David Alland, Jerrold J Ellner, Reynaldo Dietze
Household contacts of pulmonary tuberculosis (TB) patients are at increased risk of TB infection and disease. However, their risk in relation to the intensity of exposure remains unknown.We studied smear-positive TB cases and their household contacts in Vitória, Brazil. We collected clinical, demographic and radiographic information from TB cases, and obtained tuberculin skin test (TST) and QuantiFERON-TB Gold (QFT) results from household contacts. We measured intensity of exposure using a proximity score and sleep location in relation to the TB index case and defined infection by TST ≥10 mm or QFT ≥0...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29341994/understanding-tuberculosis-in-an-era-of-global-travel
#3
Ramona A Benkert, Ann Clifton
With the resurgence of tuberculosis (TB), it is imperative that healthcare providers have the necessary skills to manage the specialized issues of prevention, recognition, and treatment of TB. The case study in this article illustrates these skills for NPs and other advanced practice providers.
February 16, 2018: Nurse Practitioner
https://www.readbyqxmd.com/read/29339504/complement-pathway-gene-activation-and-rising-circulating-immune-complexes-characterize-early-disease-in-hiv-associated-tuberculosis
#4
Hanif Esmail, Rachel P Lai, Maia Lesosky, Katalin A Wilkinson, Christine M Graham, Stuart Horswell, Anna K Coussens, Clifton E Barry, Anne O'Garra, Robert J Wilkinson
The transition between latent and active tuberculosis (TB) occurs before symptom onset. Better understanding of the early events in subclinical disease will facilitate the development of diagnostics and interventions that improve TB control. This is particularly relevant in the context of HIV-1 coinfection where progression of TB is more likely. In a recent study using [18F]-fluoro-2-deoxy-d-glucose positron emission/computed tomography (FDG-PET/CT) on 35 asymptomatic, HIV-1-infected adults, we identified 10 participants with radiographic evidence of subclinical disease, significantly more likely to progress than the 25 participants without...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29334710/-a-study-on-genotype-of-271-mycobacterium-tuberculosis-isolates-in-6-prefectures-in-yunnan-province
#5
L Y Chen, X Yang, H H Ru, H J Yang, S Q Yan, L Ma, J O Chen, R Yang, L Xu
Objective: To understand the characteristics of genotypes of Mycobacterium tuberculosis isolates in Yunnan province, and provide the molecular epidemiological evidence for prevention and control of tuberculosis in Yunnan Province. Methods: Mycobacterium Tuberculosis isolates were collected from 6 prefectures of Yunnan province in 2014 and their Genetypes of Mycobacterium tuberculosis isolates were obtained using spoligotyping and multiple locus variable numbers of tandem repeats analysis (MLVA). The results of spoligotyping were entered into the SITVITWEB database to obtain the Spoligotyping International Type (SIT) patterns and the sublineages of MTB isolates...
January 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29334373/prevention-of-tuberculosis-in-rhesus-macaques-by-a-cytomegalovirus-based-vaccine
#6
Scott G Hansen, Daniel E Zak, Guangwu Xu, Julia C Ford, Emily E Marshall, Daniel Malouli, Roxanne M Gilbride, Colette M Hughes, Abigail B Ventura, Emily Ainslie, Kurt T Randall, Andrea N Selseth, Parker Rundstrom, Lauren Herlache, Matthew S Lewis, Haesun Park, Shannon L Planer, John M Turner, Miranda Fischer, Christina Armstrong, Robert C Zweig, Joseph Valvo, Jackie M Braun, Smitha Shankar, Lenette Lu, Andrew W Sylwester, Alfred W Legasse, Martin Messerle, Michael A Jarvis, Lynn M Amon, Alan Aderem, Galit Alter, Dominick J Laddy, Michele Stone, Aurelio Bonavia, Thomas G Evans, Michael K Axthelm, Klaus Früh, Paul T Edlefsen, Louis J Picker
Despite widespread use of the bacille Calmette-Guérin (BCG) vaccine, tuberculosis (TB) remains a leading cause of global mortality from a single infectious agent (Mycobacterium tuberculosis or Mtb). Here, over two independent Mtb challenge studies, we demonstrate that subcutaneous vaccination of rhesus macaques (RMs) with rhesus cytomegalovirus vectors encoding Mtb antigen inserts (hereafter referred to as RhCMV/TB)-which elicit and maintain highly effector-differentiated, circulating and tissue-resident Mtb-specific CD4+ and CD8+ memory T cell responses-can reduce the overall (pulmonary and extrapulmonary) extent of Mtb infection and disease by 68%, as compared to that in unvaccinated controls, after intrabronchial challenge with the Erdman strain of Mtb at ∼1 year after the first vaccination...
January 15, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29334197/increased-non-aids-mortality-among-persons-with-aids-defining-events-after-antiretroviral-therapy-initiation
#7
April C Pettit, Mark J Giganti, Suzanne M Ingle, Margaret T May, Bryan E Shepherd, Michael J Gill, Gerd Fätkenheuer, Sophie Abgrall, Michael S Saag, Julia Del Amo, Amy C Justice, Jose M Miro, Matthias Cavasinni, François Dabis, Antonella D Monforte, Peter Reiss, Jodie Guest, David Moore, Leah Shepherd, Niels Obel, Heidi M Crane, Colette Smith, Ramon Teira, Robert Zangerle, Jonathan Ac Sterne, Timothy R Sterling
INTRODUCTION: HIV-1 infection leads to chronic inflammation and to an increased risk of non-AIDS mortality. Our objective was to determine whether AIDS-defining events (ADEs) were associated with increased overall and cause-specific non-AIDS related mortality after antiretroviral therapy (ART) initiation. METHODS: We included HIV treatment-naïve adults from the Antiretroviral Therapy Cohort Collaboration (ART-CC) who initiated ART from 1996 to 2014. Causes of death were assigned using the Coding Causes of Death in HIV (CoDe) protocol...
January 2018: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/29332319/treatment-of-latent-tuberculosis-infection-and-its-clinical-efficacy
#8
REVIEW
Hyung Woo Kim, Ju Sang Kim
The role of the treatment for latent tuberculosis infection (LTBI) has been underscored in the intermediate tuberculosis (TB) burden countries like South Korea. LTBI treatment is recommended only for patients at risk for progression to active TB-those with frequent exposure to active TB cases, and those with clinical risk factors (e.g., immunocompromised patients). Recently revised National Institute for Health and Care Excellence (NICE) guideline recommended that close contacts of individuals with active pulmonary or laryngeal TB, aged between 18 and 65 years, should undergo LTBI treatment...
January 2018: Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/29326013/a-cluster-of-multidrug-resistant-mycobacterium-tuberculosis-among-patients-arriving-in-europe-from-the-horn-of-africa-a-molecular-epidemiological-study
#9
Timothy M Walker, Matthias Merker, Astrid M Knoblauch, Peter Helbling, Otto D Schoch, Marieke J van der Werf, Katharina Kranzer, Lena Fiebig, Stefan Kröger, Walter Haas, Harald Hoffmann, Alexander Indra, Adrian Egli, Daniela M Cirillo, Jérôme Robert, Thomas R Rogers, Ramona Groenheit, Anne T Mengshoel, Vanessa Mathys, Marjo Haanperä, Dick van Soolingen, Stefan Niemann, Erik C Böttger, Peter M Keller
BACKGROUND: The risk of tuberculosis outbreaks among people fleeing hardship for refuge in Europe is heightened. We describe the cross-border European response to an outbreak of multidrug-resistant tuberculosis among patients from the Horn of Africa and Sudan. METHODS: On April 29 and May 30, 2016, the Swiss and German National Mycobacterial Reference Laboratories independently triggered an outbreak investigation after four patients were diagnosed with multidrug-resistant tuberculosis...
January 8, 2018: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/29311240/potential-immunological-biomarkers-for-detection-of-mycobacterium-tuberculosis-infection-in-endemic-setting-ethiopia
#10
Takele Teklu, Kwon Keehwan, Biniam Wondale, Milkessa HaileMariam, Mengistu Legesse, Girmay Medhin, Aboma Zewude, Rembert Pieper, Gobena Ameni
Accurate diagnosis and early treatment of tuberculosis (TB) and latent TB infection (LTBI) are vital to prevent and control TB. The lack of specific biomarkers hinders these efforts. This study's purpose was to screen immunological markers that discriminate M. tuberculosis (Mtb) infection outcomes in an endemic setting of Ethiopia. Whole blood from 90 participants was stimulated using the ESAT-6/CFP-10 antigen cocktail. The interferon-γ (IFN-γ)-based QuantiFERON diagnostic test was used to distinguish between LTBI and uninfected control cases...
January 8, 2018: Infection and Immunity
https://www.readbyqxmd.com/read/29310414/left-extensive-infection-in-the-forearm-caused-by-whitlow-infected-by-mycobacterium-tuberculosis-a-case-report
#11
Tao Wang, Gang Zhao, Yong-Jun Rui, Zheng-Feng Lu, Jing-Yi Mi
INTRODUCTION: Whitlow is a common disease in clinic, characterized by pain and swelling of finger. However, few articles had reported on extensive infection in the forearm caused by whitlow infected by mycobacterium tuberculosis (MTB). PATIENT CONCERNS: A 70-year-old Chinese female complained of fester in back of left hand for 5 days. She had a history of recurrent whitlow for 14 months and pulmonary tuberculosis (TB). She received treatment in another hospital due to whitlow on July 2016...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29304840/factors-influencing-adherence-to-tuberculosis-treatment-in-asmara-eritrea-a-qualitative-study
#12
Frezghi Hidray Gebreweld, Meron Mehari Kifle, Fitusm Eyob Gebremicheal, Leban Lebahati Simel, Meron Mebrahtu Gezae, Shewit Sibhatu Ghebreyesus, Yordanos Tesfamariam Mengsteab, Nebiat Ghirmay Wahd
BACKGROUND: Non-adherence to tuberculosis (TB) treatment is an important barrier for TB prevention and control. Poor adherence may result in prolonged disease infectiousness, drug resistance, relapse and death. The aim of this study was to assess factors influencing adherence to tuberculosis treatment in selected health facilities in Asmara, Eritrea. METHODS: A qualitative study which included in-depth interviews with 12 TB patients, three focus group discussions in selected health facilities in which one group comprised eight patients and key informant interviews with three health workers...
January 5, 2018: Journal of Health, Population, and Nutrition
https://www.readbyqxmd.com/read/29303284/-current-approach-to-diagnostics-treatment-and-prevention-of-tuberculosis
#13
Martina Vašáková
Tuberculosis is world-wide spread infectious disease with persistant high incidence, mainly in the densely populated countries with low income. Czech Republic belongs to the countries with highly efficient control of tuberculosis and continuously decreasing incidence of the disease. High-risk population for tuberculosis in the Czech Republic are the homeless people, who together with migrants from the countries with high incidence of tuberculosis represent reservoir of infection for our population. Treatment of tuberculosis is long-term, combined and controlled...
2018: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29302700/immunization-with-an-adenovirus-vectored-tb-vaccine-containing-ag85a-mtb32-effectively-alleviates-allergic-asthma
#14
Yiling Zhang, Ying Feng, Liang Li, Xianmiao Ye, Jinlin Wang, Qian Wang, Pingchao Li, Na Li, Xuehua Zheng, Xiang Gao, Chufang Li, Feng Li, Baoqing Sun, Kefang Lai, Zhong Su, Nanshan Zhong, Ling Chen, Liqiang Feng
Current treatments for allergic asthma primarily ameliorate symptoms rather than inhibit disease progression. Regulating the excessive T helper type 2 (Th2) responses may prevent asthma exacerbation. In this study, we investigated the protective effects of Ad5-gsgAM, an adenovirus vector carrying two mycobacterial antigens Ag85A and Mtb32, against allergic asthma. Using an ovalbumin (OVA)-induced asthmatic mouse model, we found that Ad5-gsgAM elicited much more Th1-biased CD4+T and CD8+T cells than bacillus Calmette-Guérin (BCG)...
January 4, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29300723/sexual-intercourse-among-high-school-students-29-states-and-united-states-overall-2005-2015
#15
Kathleen A Ethier, Laura Kann, Timothy McManus
Early initiation of sexual activity is associated with having more sexual partners, not using condoms, sexually transmitted infection (STI), and pregnancy during adolescence (1,2). The majority of adolescents initiate sexual activity during high school, and the proportion of high school students who have ever had sexual intercourse increases by grade; black students are more likely to have ever had sexual intercourse than are white students (3). The proportion of high school students overall who had ever had sexual intercourse did not change significantly during 1995-2005 (53...
January 5, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29300279/disease-modifying-actions-of-il-6-blockade-in-a-rat-model-of-bone-cancer-pain
#16
Bethany Remeniuk, Tamara King, Devki Suktankhar, Amy Nippert, Nancy Li, Fuying Li, Kejun Cheng, Kenner C Rice, Frank Porreca
Metastasis of cancer to the skeleton represents a debilitating turning point in the lives of patients. Skeletal metastasis leads to moderate to severe ongoing pain along with bone remodeling that can result in fracture, events that dramatically diminish quality of life. IL-6 levels are elevated in metastatic breast cancer patients and are associated with a lower survival rate. We therefore determined the consequences of inhibition of IL-6 signaling using a novel small molecule antagonist, TB-2-081, on bone integrity, tumor progression, and pain in a rodent model of breast cancer...
December 26, 2017: Pain
https://www.readbyqxmd.com/read/29298757/vitamin-c-potentiates-the-killing-of-mycobacterium-tuberculosis-by-the-first-line-tuberculosis-drugs-isoniazid-and-rifampicin-in-mice
#17
Catherine Vilchèze, John Kim, William R Jacobs
The treatment of drug-susceptible tuberculosis (TB) is long and cumbersome. Mismanagement of TB treatment can lead to the emergence of drug resistance in patients, so shortening the treatment duration could significantly improve TB chemotherapy and prevent the development of drug resistance. We had previously discovered that high concentrations of vitamin C sterilize cultures of drug-susceptible and drug-resistant Mycobacterium tuberculosis Here, we tested sub-inhibitory concentration of vitamin C in combination with TB drugs against M...
January 3, 2018: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29297443/screening-for-active-tuberculosis-before-isoniazid-preventive-therapy-among-hiv-infected-west-african-adults
#18
R Moh, A Badjé, J-B N'takpé, G M Kouamé, D Gabillard, T Ouassa, E Ouattara, J Le Carrou, F Bohoussou, E Messou, S Eholié, X Anglaret, C Danel
SETTING: TEMPRANO was a multicentre, open-label trial in which human immunodeficiency virus (HIV) infected adults with high CD4 counts were randomised into early or deferred antiretroviral therapy (ART) arms with or without 6-month isoniazid preventive therapy (IPT) in a setting where the World Health Organization (WHO) recommends IPT in HIV-infected patients. Despite the WHO recommendation, IPT coverage remains low due to fear of the presence of undiagnosed active TB before prescribing IPT, and the related risk of drug resistance...
December 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29297429/increased-tuberculosis-risk-among-immigrants-arriving-in-california-with-abnormal-domestic-chest-radiographs
#19
J Wong, P Lowenthal, J Flood, J Watt, P M Barry
SETTING: Tuberculosis (TB) cases in California, USA, occur predominantly among foreign-born persons, many of whom have abnormal chest radiographs (CXRs) on overseas medical examination. These persons are recommended for follow-up TB evaluation upon arrival in the United States. OBJECTIVE: To estimate the increased TB risk associated with abnormal vs. normal domestic CXRs among individuals arriving with abnormal overseas CXRs. DESIGN: Cox regression analyses of 35 633 foreign-born persons aged 15 years who arrived in California during 1999-2012 with abnormal overseas CXRs and were free of imported active TB...
January 1, 2018: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29297427/estimating-the-impact-of-a-television-campaign-on-tuberculosis-knowledge-and-intention-to-test-for-tb-in-south-korea
#20
B Lee, H J Oh, B S Chon
OBJECTIVE: To examine the effectiveness of a television campaign for preventing tuberculosis (TB) executed in South Korea in 2015. DESIGN: We used a genetic matching method to accurately test the effect of the campaign on changing people's knowledge and behaviour in a nationwide sample of 1000 adults; information was collected using face-to-face interviews. RESULTS: After matching individuals in treatment and controlled conditions using 11 covariates, we found that the campaign significantly improved people's knowledge about TB, and enhanced people's intention to undertake a TB test when they recognised the signs of TB...
January 1, 2018: International Journal of Tuberculosis and Lung Disease
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