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https://www.readbyqxmd.com/read/28328809/infectious-diseases-prevalence-vaccination-coverage-and-diagnostic-challenges-in-a-population-of-internationally-adopted-children-referred-to-a-tertiary-care-children-s-hospital-from-2009-to-2015
#1
Sara Sollai, Francesca Ghetti, Leila Bianchi, Maurizio de Martino, Luisa Galli, Elena Chiappini
Infectious diseases are common in internationally adopted children (IAC).With the objective to evaluate infectious diseases prevalence in a large cohort of IAC and to explore possible risk factors for tuberculosis (TB) and parasitic infections, clinical and laboratory data at first screening visit of all IAC (<18 years) consecutively referred to our Center in 2009 to 2015 were collected and analyzed.In total, 1612 children (median age: 5.40 years; interquartile range: 3.00-7.90) were enrolled, 123/1612 (7...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28327495/risk-factors-for-latent-tuberculosis-infection-ltbi-in-health-profession-s-students-of-the-university-of-parma
#2
Silvia Bonini, Maria Grazia Riccelli, Matteo Goldoni, Luisella Selis, Massimo Corradi
BACKGROUND AND AIM OF THE WORK: Nowadays Tuberculosis (TB) is one of the major Public Health problems for several professional categories. According to Italian law, University students are compared to workers: the main risk for them is represented by biological risk, in particular by blood-transmitted or by air-transmitted agents. As for TB, many scientific studies demonstrated that prevalence of latent tuberculosis infection (LTBI) in Medicine and Surgery students was lower than those in health workers and in general population...
March 14, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/28318613/latent-tuberculosis-infection-screening-prior-to-biological-treatment-in-tunisian-patients
#3
Marwa Slouma, Ines Mahmoud, Olfa Saidane, Selma Bouden, Leila Abdelmoula
OBJECTIVES: The screening of latent tuberculosis infection (LTBI) is necessary to prevent infection in patients with chronic inflammatory disease (CID) undergoing biological treatment. We aimed to assess the efficacy of LTBI screening prior to biological treatment in Tunisia, considered as a high-incidence area of active TB disease. METHODS: We conducted a retrospective study over a period of 8 years [2007-2014] including patients with chronic inflammatory rheumatism receiving biologic agents since at least 6 months...
February 24, 2017: Thérapie
https://www.readbyqxmd.com/read/28317801/utility-of-quantiferon-tuberculosis-gold-in-tube-test-for-detecting-latent-tuberculosis-infection-among-close-household-contacts-of-confirmed-tuberculosis-patients-in-accra-ghana
#4
Gloria Ivy Mensah, Sandra Akoley Sowah, Nana Yaw Asare Yeboah, Kennedy Kwasi Addo, Dolly Jackson-Sillah
OBJECTIVE/BACKGROUND: Introduction of the interferon gamma (IFN-γ) release assays with their higher sensitivity and specificity over the traditional tuberculin skin test has improved testing for latent tuberculosis infection (LTBI). None of the IFN-γ release assays has ever been used to screen for LTBI in Ghana. This study set out to determine the utility of the QuantiFERON TB Gold-in-Tube (QFT-GIT) test for the diagnosis of LTBI among close household contacts of newly diagnosed sputum smear-positive tuberculosis (TB) patents in Accra, Ghana, and the associated risk factors for a positive QFT-GIT test...
January 2017: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28292277/poor-predictability-of-quantiferon-tb-assay-in-recipients-and-donors-for-tuberculosis-development-after-kidney-transplantation-in-an-intermediate-tb-burden-country
#5
Enkthuya Jambaldorj, Miyeun Han, Jong Cheol Jeong, Tai Yeon Koo, Sang Il Min, Eun Young Song, Jongwon Ha, Curie Ahn, Jaeseok Yang
BACKGROUND: Tuberculosis (TB) is a common opportunistic infection after kidney transplantation (KT). The QuantiFERON-TB-Gold In-Tube test (QFT) is widely used for assessing latent TB; however, it is currently unclear whether the pre-KT QFT of the recipient and donor can predict post-KT TB. METHODS: We retrospectively reviewed patients who received KT between January 2009 and December 2015 at Seoul National University Hospital. The QFT was performed in 458 KT recipients and 239 paired living donors, and 138 KT recipients underwent both the QFT and tuberculin skin test (TST)...
March 14, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28284256/novel-interferon-gamma-assays-for-diagnosing-tuberculosis-in-young-children-in-india
#6
N Shaikh, A Gupte, S Dharmshale, S Pokkali, M Thakar, V J Upadhye, A A Ordonez, A Kinikar, N Gupte, V Mave, A Kagal, A Gupta, A Lalvani, R Paranjpe, R Bharadwaj, S K Jain
SETTING: The tuberculin skin test (TST) and interferon-gamma release assays (IGRAs) are used as supportive evidence to diagnose active tuberculosis (TB). Novel IGRAs could improve diagnosis, but data are lacking in young children. DESIGN: Children (age 5 years) with suspected TB were prospectively screened at a tertiary hospital in Pune, India; the children underwent TST, and standard (early secretory antigenic target 6 and culture filtrate protein 10) and enhanced (five additional novel antigens) enzyme-linked immunospot (ELISpot) assays...
April 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28276801/tuberculosis-infection-and-disease-in-the-2015-cohort-of-unaccompanied-minors-seeking-asylum-in-northern-stockholm-sweden
#7
Rutger Bennet, Margareta Eriksson
BACKGROUND: Minors with a stated age <18 years unaccompanied by a responsible adult form an increasing part of refugees to Europe. They are older than other asylum-seeking children and many come from countries with a high tuberculosis (TB) incidence. During the 2015 refugee crisis, 35,369 of 162,877 refugees (22%) seeking asylum in Sweden were unaccompanied minors, which gave us the opportunity to study their burden of TB infection and disease. METHODS: Of the unaccompanied minors seeking asylum in Sweden during 2015, 2936 (8...
February 19, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28274215/comparing-interferon-gamma-release-assays-with-tuberculin-skin-test-for-identifying-latent-tuberculosis-infection-that-progresses-to-active-tuberculosis-systematic-review-and-meta-analysis
#8
Peter Auguste, Alexander Tsertsvadze, Joshua Pink, Rachel Court, Noel McCarthy, Paul Sutcliffe, Aileen Clarke
BACKGROUND: Timely and accurate identification of people with latent tuberculosis infection (LTBI) is important for controlling Mycobacterium tuberculosis (TB). There is no gold standard for diagnosis of LTBI. Screening tests such as interferon gamma release assays (IGRAs) and tuberculin skin test (TST) provide indirect and imperfect information. This systematic review compared two types of IGRAs QuantiFERON®-TB Gold In-Tube test (QFT-GIT) and T-SPOT.TB with TST for identification of LTBI by predicting progression to a diagnosis of active TB in three subgroups: children, immunocompromised people, and those recently arrived from countries with high TB burden...
March 9, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28260424/posttransplant-tuberculosis
#9
Erol Demir, Mehmet Sukru Sever
Tuberculosis is a major problem in the posttransplantation period, because of its high incidence and prevalence, difficulty in diagnosis as well as high risk of morbidity and mortality. In solid-organ transplant recipients, the diagnosis of tuberculosis is complex because it is paucisymptomatic. Tuberculin skin testing results may be negative, and interferon-gamma release assays may be insufficiently sensitive. Furthermore, imaging technique findings are mostly atypical, and sputum smear results can be negative despite the presence of active disease...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28258598/lichen-scrofulosorum-importance-of-early-recognition
#10
REVIEW
A Molpariya, V Ramesh
Lichen scrofulosorum (LS), a tuberculid affecting children and young adults, usually presents with asymptomatic skin-coloured to erythematous follicular and perifollicular papules over the trunk and extremities. An underlying focus of tuberculosis can be detected, but occasionally other mycobacterial infections may be responsible. The eruption is associated with a positive tuberculin test or positive interferon-gamma release assay. Perifollicular granulomas and absence of bacilli are the histopathological characteristics...
March 4, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28254396/new-insights-on-tuberculous-aortitis
#11
Laure Delaval, Tiphaine Goulenok, Paul Achouh, David Saadoun, Julien Gaudric, Quentin Pellenc, Jean-Emmanuel Kahn, Nicoletta Pasi, Damien van Gysel, Patrick Bruneval, Thomas Papo, Karim Sacre
OBJECTIVE: Aortitis is an exceedingly rare manifestation of tuberculosis. We describe 11 patients with tuberculous aortitis (TA). METHODS: Multicenter medical charts of patients hospitalized between 2003 and 2015 with TA in Paris, France, were reviewed. Demographic, medical history, laboratory, imaging, pathologic findings, treatment, and follow-up data were extracted from medical records. TA was considered when aortitis was diagnosed in a patient with active tuberculosis...
February 18, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28249638/comparison-of-quantiferon-tb-gold-in-tube-qft-git-and-tuberculin-skin-test-tst-for-diagnosis-of-latent-tuberculosis-in-haemodialysis-hd-patients-a-meta-analysis-of-%C3%AE%C2%BA-estimates
#12
E Ayubi, A Doosti-Irani, A Sanjari Moghaddam, S Khazaei, K Mansori, S Safiri, M Sani, E Mostafavi
Diagnosis of latent tuberculosis infection (LTBI) is a concern in haemodialysis (HD) patients. Many studies have compared QuantiFERON-TB Gold In-Tube (QFT-GIT) and tuberculin skin test (TST) for detecting LTBI and reported the κ statistic of agreement between QFT-GIT and TST in HD patients. The present study aimed to systematically review this literature and conduct meta-analysis of individual studies that estimated the κ between QFT-GIT with TST among HD patients. All relevant published studies that were available as full-text were obtained by searching Medline (1950), Web of Sciences (1945), Scopus (1973) through May 2016...
March 2, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28225339/latent-tuberculous-infection-in-household-contacts-of-multidrug-resistant-and-newly-diagnosed-tuberculosis
#13
G J Fox, N T Anh, N V Nhung, N T Loi, N B Hoa, L T Ngoc Anh, N K Cuong, T N Buu, G B Marks, D Menzies
BACKGROUND: Differences in the prevalence of latent tuberculous infection (LTBI) and tuberculosis (TB) disease among contacts of patients with multidrug-resistant TB (MDR-TB) and drug-susceptible TB are not well understood. OBJECTIVE: To compare the prevalence of tuberculin skin test (TST) positivity in household contacts of patients with MDR-TB and in contacts of patients never previously treated for TB ('new TB'). DESIGN: Consecutive patients with MDR-TB and their household contacts at nine urban district clinics in Viet Nam were screened for TB and LTBI, and followed up for 6 months...
March 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28216183/safety-and-immunogenicity-of-the-novel-h4-ic31-tuberculosis-vaccine-candidate-in-bcg-vaccinated-adults-two-phase-i-dose-escalation-trials
#14
Maria Norrby, Timo Vesikari, Lars Lindqvist, Markus Maeurer, Raija Ahmed, Shahnaz Mahdavifar, Sean Bennett, J Bruce McClain, Barbara M Shepherd, Daner Li, David A Hokey, Ingrid Kromann, Søren T Hoff, Peter Andersen, Adriëtte W de Visser, Simone A Joosten, Tom H M Ottenhoff, Jan Andersson, Susanna Brighenti
BACKGROUND: Novel vaccine strategies are required to provide protective immunity in tuberculosis (TB) and prevent development of active disease. We investigated the safety and immunogenicity of a novel TB vaccine candidate, H4:IC31 (AERAS-404) that is composed of a fusion protein of M. tuberculosis antigens Ag85B and TB10.4 combined with an IC31® adjuvant. METHODS: BCG-vaccinated healthy subjects were immunized with various antigen (5, 15, 50, 150μg) and adjuvant (0, 100, 500nmol) doses of the H4:IC31 vaccine (n=106) or placebo (n=18) in two randomized, double-blind, placebo-controlled phase I studies conducted in a low TB endemic setting in Sweden and Finland...
March 14, 2017: Vaccine
https://www.readbyqxmd.com/read/28194371/non-tuberculous-mycobacteria-in-south-african-wildlife-neglected-pathogens-and-potential-impediments-for-bovine-tuberculosis-diagnosis
#15
Nomakorinte Gcebe, Tiny M Hlokwe
Non-tuberculous mycobacteria (NTM) are not only emerging and opportunistic pathogens of both humans and animals, but from a veterinary point of view some species induce cross-reactive immune responses that hamper the diagnosis of bovine tuberculosis (bTB) in both livestock and wildlife. Little information is available about NTM species circulating in wildlife species of South Africa. In this study, we determined the diversity of NTM isolated from wildlife species from South Africa as well as Botswana. Thirty known NTM species and subspecies, as well as unidentified NTM, and NTM closely related to Mycobacterium goodii/Mycobacterium smegmatis were identified from 102 isolates cultured between the years 1998 and 2010, using a combination of molecular assays viz PCR and sequencing of different Mycobacterial house-keeping genes as well as single nucleotide polymorphism (SNP) analysis...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28185619/diagnosis-of-latent-tuberculosis-infection
#16
Alfred A Lardizabal, Lee B Reichman
For 2015, tuberculosis (TB) incidence in the United States has plateaued at 3.0 per 100,000. This remains the lowest case rate since recording started. On the global level, although the TB epidemic is larger than previously estimated, TB deaths and incidence rate continue to fall. For both low and high incidence countries, accelerating the decline in TB incidence towards elimination goals requires that more emphasis be placed on strengthening systems for detection and treatment of latent TB infection (LTBI) in addition to improving TB care globally...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28176607/factors-affecting-the-gamma-interferon-test-in-the-detection-of-bovine-tuberculosis-in-cattle
#17
Geoffrey W de Lisle, Richard S Green, Bryce M Buddle
The gamma interferon (IFN-γ) test has been used for many years as an ancillary test in the detection of bovine tuberculosis. We investigated the effect of skin testing and the length of time between blood collection and processing on the performance of the IFN-γ test. A series of blood samples were taken from groups of experimentally infected cattle ( n = 10), naturally infected ( n = 11), and uninfected animals ( n = 12) that were examined with a caudal fold skin test. Blood was taken on the day of tuberculin injection, 3 d later when the skin tests were read, and 11-19 d post-tuberculin injection, and was processed for the IFN-γ test at 8, 30, and 36 h postcollection...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28172646/dop063-serial-tuberculin-skin-test-improves-the-detection-of-latent-tuberculosis-infection-in-inflammatory-bowel-disease-patients
#18
C Taxonera, A Ponferrada, F Bermejo, J P Gisbert, S Riestra, C Saro, J L Cabriada, M Barreiro-de Acosta, J Barrio, E Flores, I Ferrer, A Hernandez, M Van Domselaar, D Olivares, C Alba, L Fernández-Salazar, O Merino, B Botella, D Ceballos, I Moral, M Peñate, A Algaba
No abstract text is available yet for this article.
February 1, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28170135/diagnostic-potential-of-interferon-gamma-release-assay-to-detect-latent-tuberculosis-infection-in-kidney-transplant-recipients
#19
Jameela Edathodu, Bright Varghese, Abdulrahman A Alrajhi, Mohammed Shoukri, Ahmad Nazmi, Hazem Elgamal, Hassan Aleid, Fahad Alrabiah, Attia Ashraff, Ihab Mahmoud, Sahal Al-Hajoj
BACKGROUND: Latent tuberculosis (TB) infection (LTBI) is screened by using clinical assessment, tuberculin skin test (TST), chest radiography, and recently by interferon-gamma release assays (IGRA). The objective of this study was to evaluate the diagnostic potential of QuantiFERON(®) -TB Gold In-Tube test (QFT) for diagnosing LTBI in patients planned for kidney transplantation. METHODS: All adult patients with end-stage renal disease, evaluated for kidney transplantation in a referral center from August 2008 till May 2013, were enrolled, after consenting in a prospective, observational, non-interventional study...
February 7, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28168855/vaccination-of-calves-with-mycobacterium-bovis-bacillus-calmette-guerin-reduces-the-frequency-and-severity-of-lesions-of-bovine-tuberculosis-under-a-natural-transmission-setting-in-ethiopia
#20
G Ameni, K Tafess, A Zewde, T Eguale, M Tilahun, T Hailu, A Sirak, F J Salguero, S Berg, A Aseffa, R G Hewinson, H M Vordermeier
Bovine tuberculosis (bTB) is highly prevalent in intensive dairy farms of the urban "milk-sheds" in Ethiopia, and vaccination could be a cost-effective disease control strategy. In the present study, the efficacy of Bacillus Calmette-Guerin (BCG) to protect against bTB was assessed in Holstein-Friesian calves in a natural transmission setting. Twenty-three 2-week-old calves were subcutaneously vaccinated with BCG Danish SSI strain 1331, and matched 26 calves were injected with placebo. Six weeks later, calves were introduced into a herd of M...
February 6, 2017: Transboundary and Emerging Diseases
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