نتایج جستجو برای: vrc tst

تعداد نتایج: 2459  

2014
Denise F. Johnson LaShaunda L. Malone Sarah Zalwango Joy Mukisa Oketcho Keith A. Chervenak Bonnie Thiel Harriet Mayanja-Kizza Catherine M. Stein W. Henry Boom Christina L. Lancioni

RATIONALE Healthy household contacts (HHC) of individuals with Tuberculosis (TB) with Tuberculin Skin Test (TST) conversions are considered to harbor latent Mycobacterium tuberculosis (Mtb), and at risk for TB. The immunologic, clinical, and public health implications of TST reversions that occur following Isoniazid preventive therapy (IPT) remain controversial. OBJECTIVES To measure frequenc...

Journal: :Annals of the rheumatic diseases 2007
Jérémie Sellam Haifa Hamdi Carine Roy Gabriel Baron Marc Lemann Xavier Puéchal Maxime Breban Francis Berenbaum Marc Humbert Karin Weldingh Dominique Salmon Philippe Ravaud Dominique Emilie Xavier Mariette

INTRODUCTION Latent tuberculosis infection (LTBI) is detected with the tuberculin skin test (TST) before anti-TNF therapy. We aimed to investigate in vitro blood assays with TB-specific antigens (CFP-10, ESAT-6), in immune-mediated inflammatory diseases (IMID) for LTBI screening. PATIENTS AND METHODS Sixty-eight IMID patients with (n = 35) or without (n = 33) LTBI according to clinico-radiogr...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2012
Michele G Velasquez Rafael Laniado-Laborin Timothy C Rodwell Paris Cerecer Remedios Lozada Jazmine Cuevas-Mota Jose Luis Burgos Richard S Garfein

OBJECTIVE To assess the prevalence of prior tuberculin skin testing (TST) among populations at risk for HIV infection in Tijuana, Mexico, and to identify factors associated with TST. METHODS Sex workers, injection drug users, noninjecting drug users, and homeless persons > 18 years old were recruited by using targeted sampling for risk assessment interviews and serologic testing for HIV and M...

Journal: :Cyberpsychology, behavior and social networking 2014
Desirée Loreto-Quijada José Gutiérrez-Maldonado Rubén Nieto Olga Gutiérrez-Martínez Marta Ferrer-García Carmina Saldaña Adela Fusté-Escolano Liudmila Liutsko

There is evidence that virtual reality (VR) pain distraction is effective at improving pain-related outcomes. However, more research is needed to investigate VR environments with other pain-related goals. The main aim of this study was to compare the differential effects of two VR environments on a set of pain-related and cognitive variables during a cold pressor experiment. One of these enviro...

2010
Sarah Burl Uche J. Adetifa Momodou Cox Ebrima Touray Hilton Whittle Helen McShane Sarah L. Rowland-Jones Katie L. Flanagan

The tuberculin skin test (TST) is widely used in TB clinics to aid Mycobacterium tuberculosis (M.tb) diagnosis, but the definition and the significance of a positive test in very young children is still unclear. This study compared the TST in Gambian children at 4(1/2) months of age who either received BCG vaccination at birth (Group 1) or were BCG naïve (Group 2) in order to examine the role o...

2013
Song Yee Kim Moo Suk Park Young Sam Kim Se Kyu Kim Joon Chang Dongeun Yong Hyun Sook Kim Kyungwon Lee Young Ae Kang

OBJECTIVE To evaluate the prevalence of and factors associated with latent tuberculosis infection (LTBI) based on the tuberculin skin test (TST) and to estimate the boosted reaction rate among newly employed healthcare workers (HCWs). DESIGN Newly employed HCWs between January 2010 and July 2012 at Severance Hospital in South Korea were enrolled in this study. A one-step TST was conducted bef...

2016
Shokrollah Salmanzadeh Hajar Abbasissifar Seyed Mohmmad Alavi

BACKGROUND Prompt diagnosis and treatment of latent tuberculosis (TB) infection (LTBI) are needed to control TB. The aim of the study was to compare the performance of Quanti FERON-TB test (QFT) with conventional TST for the diagnosis of LTBI. METHODS In this analytical - comparison study, we enrolled 87 nurses working in teaching hospitals in Ahvaz. All study subjects were tested by TST. TST...

2013
Ricardo Ewbank Steffen Rosângela Caetano Márcia Pinto Diogo Chaves Rossini Ferrari Mayara Bastos Sandra Teixeira de Abreu Dick Menzies Anete Trajman

BACKGROUND Latent tuberculosis infection (LTBI) is a reservoir for new TB cases. Isoniazid preventive therapy (IPT) reduces the risk of active TB by as much as 90%, but LTBI screening has limitations. Unlike tuberculin skin testing (TST), interferon-gamma release assays are not affected by BCG vaccination, and have been reported to be cost-effective in low-burden countries. The goal of this stu...

Journal: :Tuberkuloz ve toraks 2011
Hayriye Sayarlioğlu Mustafa Gül Canan Eren Dağli Ekrem Doğan Murat Sahin Mehmet Ali Uçar Nurhan Köksal Mehmet Sayarlioğlu Mümtaz Kerim Tahta

Hemodialysis patients are at increased risk of latent tuberculosis infection (LTBI) compared with the general population. QuantiFERON-TB Gold (QFT-G) for LTBI detection is more promising than tuberculin skin test (TST) in hemodialysis patients. The aim of this study is to determine whether the QFT-G is more sensitive than the TST in hemodialysis patients in LTBI. Eighty nine hemodialysis patien...

Journal: :BMC Public Health 2007
Cristiane G Salles Antonio Ruffino-Netto Jose R Lapa-e-Silva Afranio L Kritski Michelle Cailleaux-Cesar Fernanda C Queiroz-Mello Marcus B Conde

BACKGROUND Assuming a higher risk of latent tuberculosis (TB) infection in the population of Rio de Janeiro, Brazil, in October of 1998 the TB Control Program of Clementino Fraga Filho Hospital (CFFH) routinely started to recommend a two-step tuberculin skin test (TST) in contacts of pulmonary TB cases in order to distinguish a boosting reaction due to a recall of delayed hypersensitivity previ...

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