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Tuberculosis in children

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https://www.readbyqxmd.com/read/28724962/novel-transcriptional-signatures-for-sputum-independent-diagnostics-of-tuberculosis-in-children
#1
John Espen Gjøen, Synne Jenum, Dhanasekaran Sivakumaran, Aparna Mukherjee, Ragini Macaden, Sushil K Kabra, Rakesh Lodha, Tom H M Ottenhoff, Marielle C Haks, Timothy Mark Doherty, Christian Ritz, Harleen M S Grewal
Pediatric tuberculosis (TB) is challenging to diagnose, confirmed by growth of Mycobacterium tuberculosis at best in 40% of cases. The WHO has assigned high priority to the development of non-sputum diagnostic tools. We therefore sought to identify transcriptional signatures in whole blood of Indian children, capable of discriminating intra-thoracic TB disease from other symptomatic illnesses. We investigated the expression of 198 genes in a training set, comprising 47 TB cases (19 definite/28 probable) and 36 asymptomatic household controls, and identified a 7- and a 10-transcript signature, both including NOD2, GBP5, IFITM1/3, KIF1B and TNIP1...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724359/the-burden-of-hiv-on-tuberculosis-patients-in-the-volta-region-of-ghana-from-2012-to-2015-implication-for-tuberculosis-control
#2
Eric Osei, Joyce Der, Richard Owusu, Philip Kofie, Wisdom Kudzo Axame
BACKGROUND: The impact of HIV on TB, and the implications for TB control, has been acknowledged as a public health challenge. It is imperative therefore to assess the burden of HIV on TB patients as an indicator for monitoring the control efforts of the two diseases in this part of the world. This study aimed at determining the burden of HIV infection in TB patients. METHODS: We conducted a retrospective review of TB registers in five districts of the Volta Region of Ghana...
July 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28723333/enhanced-prophylaxis-plus-antiretroviral-therapy-for-advanced-hiv-infection-in-africa
#3
James Hakim, Victor Musiime, Alex J Szubert, Jane Mallewa, Abraham Siika, Clara Agutu, Simon Walker, Sarah L Pett, Mutsa Bwakura-Dangarembizi, Abbas Lugemwa, Symon Kaunda, Mercy Karoney, Godfrey Musoro, Sheila Kabahenda, Kusum Nathoo, Kathryn Maitland, Anna Griffiths, Margaret J Thomason, Cissy Kityo, Peter Mugyenyi, Andrew J Prendergast, A Sarah Walker, Diana M Gibb
BACKGROUND: In sub-Saharan Africa, among patients with advanced human immunodeficiency virus (HIV) infection, the rate of death from infection (including tuberculosis and cryptococcus) shortly after the initiation of antiretroviral therapy (ART) is approximately 10%. METHODS: In this factorial open-label trial conducted in Uganda, Zimbabwe, Malawi, and Kenya, we enrolled HIV-infected adults and children 5 years of age or older who had not received previous ART and were starting ART with a CD4+ count of fewer than 100 cells per cubic millimeter...
July 20, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28722570/mycobacterium-tuberculosis-infection-in-close-childhood-contacts-of-adults-with-pulmonary-tuberculosis-is-increased-by-secondhand-exposure-to-tobacco
#4
Ifedayo M O Adetifa, Lindsay Kendall, Simon Donkor, Moses D Lugos, Abdulrahman S Hammond, Patrick K Owiafe, Martin O C Ota, Roger H Brookes, Philip C Hill
Tobacco use is a major risk factor for tuberculosis (TB). Secondhand smoke (SHS) is also a risk factor for TB and to a lesser extent, Mycobacterium tuberculosis infection without disease. We investigated the added risk of M. tuberculosis infection due to SHS exposure in childhood contacts of TB cases in The Gambia. Participants were childhood household contacts aged ≤ 14 years of newly diagnosed pulmonary TB (PTB) cases. The intensity of exposure to the case was categorized according to whether contacts slept in the same room, same house, or a different house as the case...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28719610/a-decade-of-hiv-care-in-rural-tanzania-trends-in-clinical-outcomes-and-impact-of-clinic-optimisation-in-an-open-prospective-cohort
#5
Fiona Vanobberghen, Emilio Letang, Anna Gamell, Dorcas K Mnzava, Diana Faini, Lameck B Luwanda, Herry Mapesi, Kim Mwamelo, George Sikalengo, Marcel Tanner, Christoph Hatz, Hansjakob Furrer, Manuel Battegay, Tracy R Glass
OBJECTIVES: Our objectives were to describe trends in enrolment and clinical outcomes in the open, prospective Kilombero and Ulanga Antiretroviral Cohort (KIULARCO) in the Morogoro region of southern Tanzania, and identify strengths and areas for improvement in the care of HIV-positive individuals in rural Tanzania. METHODS: We included adults (≥15 years) and children (<15 years) enrolled in the cohort in 2005-2014. The cohort underwent significant changes from autumn 2012 to optimise care...
2017: PloS One
https://www.readbyqxmd.com/read/28719497/serologic-responses-in-childhood-pulmonary-tuberculosis
#6
Bareng A S Nonyane, Mark P Nicol, Nicholas J Andreas, Stefanie Rimmele, Nicole Schneiderhan-Marra, Lesley J Workman, Mark D Perkins, Thomas Joos, Tobias Broger, Jerrold J Ellner, David Alland, Beate Kampmann, Susan E Dorman, Heather J Zar
BACKGROUND: Identification of the Mycobacterium tuberculosis immunoproteome and antigens associated with serologic responses in adults has renewed interest in developing a serologic test for childhood tuberculosis (TB). We investigated IgG antibody responses against M. tuberculosis antigens in children with well-characterized TB. METHODS: We studied archived sera obtained from hospitalized children with suspected pulmonary TB, and classified as having confirmed TB (culture-confirmed), unlikely TB (clinical improvement without TB treatment), or unconfirmed TB (all others)...
July 15, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28705514/bacillus-calmette-gu%C3%A3-rin-bcg-vaccination-patterns-in-the-province-of-qu%C3%A3-bec-canada-1956-1974
#7
Marie-Claude Rousseau, Florence Conus, Khady Kâ, Mariam El-Zein, Marie-Élise Parent, Dick Menzies
BACKGROUND: In the province of Québec, Canada, the Bacillus Calmette-Guérin (BCG) vaccine was offered to newborns and school-age children from the 1950s to mid-1970s in an organized tuberculosis prevention program. OBJECTIVE: We aimed to describe the annual rates of skin test administration, proportion of skin tests that were positive, and rates of BCG vaccination from 1956 to 1974 according to age, sex, and administrative region. METHODS: For rates, numerators were extracted from the Québec BCG Vaccination Registry whereas population denominators were obtained from the Canadian Census and governmental publications...
July 10, 2017: Vaccine
https://www.readbyqxmd.com/read/28705268/description-and-factors-affecting-the-referral-of-presumptive-tuberculosis-patients-in-china
#8
Tao Li, Hui Zhang, Li Xia Wang, Yu Pang, Xin DU
To describe and analyze the factors affecting the referral of presumptive tuberculosis patients between health-care facilities that are not affiliated with the National TB Control Program (NTP) and NTP-designated medical facilities in China, we carried out a retrospective study based on data collected in the Tuberculosis Information Management System in 2015. Out of 324,221 presumptive pulmonary tuberculosis (PTB) cases reported by non-NTP health-care facilities, 302,006 (93.1%) reported cases successfully arrived at designated medical facilities and 22,215 cases (6...
June 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28695838/ruptured-pulmonary-cystic-echinococcosis-mimicking-tuberculosis-in-childhood-a-case-report
#9
Elif Ünver Korğalı, Meriç Kaymak Cihan, Özgür Ceylan, Melih Kaptanoğlu
Cystic echinococcosis (CE) is a zoonotic disease; in places such as Turkey where livestock is common, it is an endemic health concern. The most commonly involved organ is the lungs in children. Pulmonary cysts can be asymptomatic; in some cases, they may rupture and become symptomatic. Ruptured lung hydatid cysts may often be confused with tuberculosis (Tbc) radiologically and clinically. . In this report, we present an 8-year-old female patient admitted with cough, fever, and sputum persisting since 2 weeks; her chest radiography and computed tomography (CT) findings initially indicated Tbc, but the follow-up surgery led to a diagnosis of ruptured lung CE...
June 2017: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/28691431/low-dose-computed-tomography-in-assessment-of-pulmonary-abnormalities-in-children-with-febrile-neutropenia-suffering-from-malignant-diseases
#10
REVIEW
Urszula Zaleska-Dorobisz, Cyprian Michal Olchowy, Mateusz Łasecki, Dąbrówka Sokołowska-Dąbek, Aleksander Pawluś, Jowita Frączkiewicz, Ewa Gorczyńska
BACKGROUND: Management of febrile neutropenia in pediatric patients is challenging. Chest X-ray and CT help to identify infective foci; however, exposure to radiation is a risk factor for development of secondary cancer. For this reason, attention is paid to reduce radiation exposure. OBJECTIVES: TTo define the role of LDCT examination in early detection of pulmonary lesions in children during oncology or autoimmune treatment complicated by neutropenia related fever...
June 27, 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28690615/impact-of-early-life-exposures-to-infections-antibiotics-and-vaccines-on-perinatal-and-long-term-health-and-disease
#11
REVIEW
Steven L Raymond, Jaimar C Rincon, James L Wynn, Lyle L Moldawer, Shawn D Larson
Essentially, all neonates are exposed to infections, antibiotics, or vaccines early in their lives. This is especially true for those neonates born underweight or premature. In contrast to septic adults and children who are at an increased risk for subsequent infections, exposure to infection during the neonatal period is not associated with an increased risk of subsequent infection and may be paradoxically associated with reductions in late-onset sepsis (LOS) in the most premature infants. Perinatal inflammation is also associated with a decreased incidence of asthma and atopy later in life...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28687246/edwin-lawrence-kendig-jr-md-dsc-hon-1911-2003
#12
REVIEW
Barry V Kirkpatrick
Edwin Kendig, MD is considered one of the founders of pediatric pulmonology. Prompted by his own experience with tuberculosis, he opened a 'chest clinic' for children, where he worked for 50years. He systematically published his observations and was the original editor of the first textbook in pediatric pulmonology in 1967. His book, now called Kendig and Chernick's Disorders of the Respiratory Tract in Children will publish its 9th edition in 2018. All of this was in addition to his primary care pediatric practice, his teaching and his work at the national and international level of pediatric care...
June 11, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28686692/estimating-influenza-and-respiratory-syncytial-virus-associated-mortality-in-western-kenya-using-health-and-demographic-surveillance-system-data-2007-2013
#13
Gideon O Emukule, Peter Spreeuwenberg, Sandra S Chaves, Joshua A Mott, Stefano Tempia, Godfrey Bigogo, Bryan Nyawanda, Amek Nyaguara, Marc-Alain Widdowson, Koos van der Velden, John W Paget
BACKGROUND: Influenza and respiratory syncytial virus (RSV) associated mortality has not been well-established in tropical Africa. METHODS: We used the negative binomial regression method and the rate-difference method (i.e. deaths during low and high influenza/RSV activity months), to estimate excess mortality attributable to influenza and RSV using verbal autopsy data collected through a health and demographic surveillance system in Western Kenya, 2007-2013. Excess mortality rates were calculated for a) all-cause mortality, b) respiratory deaths (including pneumonia), c) HIV-related deaths, and d) pulmonary tuberculosis (TB) related deaths...
2017: PloS One
https://www.readbyqxmd.com/read/28670408/epidemiology-of-musculoskeletal-tuberculosis-in-an-area-with-high-disease-prevalence
#14
Michael F G Held, Sven Hoppe, Maritz Laubscher, Stewart Mears, Stewart Dix-Peek, Heather J Zar, Robert N Dunn
STUDY DESIGN: Retrospective observational study. PURPOSE: The aim of this study was to assess the distribution of age and site of infection in patients with musculoskeletal tuberculosis (TB) and determine the number of TB/human immunodeficiency virus (HIV) coinfections as well as the incidence of multidrugresistant (MDR) TB. OVERVIEW OF LITERATURE: Of all TB cases, 1%-3% show skeletal system involvement and 30% are HIV coinfected. Although the reported distribution of skeletal TB is majorly in the spine, followed by the hip, knee, and foot/ankle, the epidemiology of extrapulmonary TB and especially musculoskeletal TB remains largely unknown, particularly in areas with a high prevalence of the disease...
June 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/28660649/neonatal-bcg-has-no-effect-on-allergic-sensitization-and-suspected-food-allergy-until-13-months
#15
Lisbeth Marianne Thøstesen, Henrik Fomsgaard Kjaer, Gitte Thybo Pihl, Thomas Nørrelykke Nissen, Nina Marie Birk, Jesper Kjaergaard, Aksel Karl Georg Jensen, Peter Aaby, Annette Wind Olesen, Lone Graff Stensballe, Dorthe Lisbeth Jeppesen, Christine Stabell Benn, Poul-Erik Kofoed
BACKGROUND: Vaccination with Bacillus Calmette-Guérin (BCG) is used in many countries as protection against tuberculosis. Studies have suggested that BCG may also have non-specific effects, reducing non-tuberculosis mortality, morbidity, and atopic manifestations. In this study we evaluated the effect of neonatal BCG vaccination on allergic sensitization and suspected food allergy at 13 months of age. METHODS: The Danish Calmette Study was conducted from 2012-2015 at three Danish hospitals...
June 29, 2017: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/28646966/a-systematic-approach-to-diagnosing-intra-thoracic-tuberculosis-in-children
#16
Carlos M Perez-Velez, Claudia L Roya-Pabon, Ben J Marais
Children suffer a huge and often underappreciated burden of disease in tuberculosis (TB) endemic countries. Major hurdles include limited awareness among health care workers, poor integration of TB into maternal and child health approaches, diagnostic difficulties and a lack of child-friendly treatment options. Accurate disease diagnosis is particularly difficult in young and vulnerable children who tend to develop paucibacillary disease and are unable to produce an expectorated sputum sample. In addition, access to chest radiography is problematic in resource-limited settings...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646952/drug-resistant-tuberculosis-primary-transmission-and-management
#17
Alexander C Outhred, Philip N Britton, Ben J Marais
The DOTS strategy assisted global tuberculosis (TB) control, but was unable to prevent the emergence and spread of drug-resistant strains. Genomic evidence confirms the transmission of drug-resistant Mycobacterium tuberculosis strains in many different settings, indicative of epidemic spread. These findings emphasise the need for enhanced infection control measures in health care and congregate settings. Young children in TB endemic areas are particularly vulnerable. Although advances in TB drug and vaccine development are urgently needed, improved access to currently available preventive therapy and treatment for drug resistant TB could reduce the disease burden and adverse outcomes experienced by children...
June 2017: Journal of Infection
https://www.readbyqxmd.com/read/28646434/performance-of-quantiferon-%C3%A2-tb-gold-in-tube-assay-in-children-receiving-disease-modifying-anti-rheumatic-drugs
#18
Francesca Gabriele, Maria Trachana, Maria Simitsopoulou, Polixeni Pratsidou-Gertsi, Elias Iosifidis, Zoi Dorothea Pana, Emmanuel Roilides
BACKGROUND: To evaluate the performance of the Quantiferon(®)-TB Gold In-Tube (QFT-IT) interferon (IFN)-γ assay for the detection of latent tuberculosis infection (LTBI) in children receiving anti-rheumatic treatment in a tertiary referral hospital of Northern Greece. METHODS: A total of 79 consecutive children receiving anti-rheumatic treatment [of which 18 screened prior to antitumor necrosis factor (TNF)-α treatment] were tested using Mantoux tuberculin skin test (TST) and QFT-IT...
June 22, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28640131/paragonimiasis-in-children-in-southwest-china-a-retrospective-case-reports-review-from-2005-to-2016
#19
Zongrong Gong, Ruixue Miao, Min Shu, Yu Zhu, Yang Wen, Qin Guo, Qiong Liao, Chaomin Wan
BACKGROUND: Paragonimiasis infection has no specific symptoms or typical radiologic findings, leading to the possibility of misdiagnosis. Thus, the objective of this study was to analyze clinical and radiological features, and treatment outcome of paragonimiasis in children in Southwest China to improve the awareness of this disease. METHODS: We retrospectively reviewed the records of children diagnosed with paragonimiasis in West China Second University Hospital between 2005 and 2016...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28633702/impact-of-isoniazid-preventive-therapy-on-the-evaluation-of-long-term-effectiveness-of-infant-mva85a-vaccination
#20
E W Bunyasi, A K K Luabeya, M Tameris, H Geldenhuys, H Mulenga, B S Landry, T J Scriba, B-M Schmidt, W A Hanekom, H Mahomed, H McShane, M Hatherill
SETTING: South Africa. OBJECTIVE: To evaluate the long-term effectiveness of infant modified vaccinia Ankara virus-expressing antigen 85A (MVA85A) vaccination against tuberculosis (TB). DESIGN: We analysed data from a double-blind randomised placebo-controlled Phase 2b MVA85A infant TB vaccine trial (2009-2012), with extended post-trial follow-up (2012-2014). Isoniazid preventive therapy (IPT) was provided by public health services according to national guidelines...
July 1, 2017: International Journal of Tuberculosis and Lung Disease
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