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Tb prevention

Ahmed A Aljohaney
OBJECTIVES: To determine the mortality rates and predictors among patients hospitalized with active tuberculosis (TB) at King Abdulaziz University Hospital (KAUH) in Jeddah. METHODS: A retrospective study was performed on 291 active TB patients hospitalized in KAUH, Jeddah, Saudi Arabia from December 2011 to December 2016. Medical records were collected and evaluated using a dedicated data extraction sheet. The records included demographics, clinical, radiological, laboratory, and drug resistance data...
March 2018: Saudi Medical Journal
Jennifer L Guthrie, Clare Kong, David Roth, Danielle Jorgensen, Mabel Rodrigues, Patrick Tang, Maichael Thejoe, Kevin Elwood, Victoria J Cook, James Johnston, Jennifer L Gardy
Prospective universal genotyping of tuberculosis (TB) isolates is used by many laboratories to detect clusters of cases and inform contact investigations. Prior to universal genotyping, most TB prevention programs genotyped isolates on request only, relying on requests from public health professionals whose knowledge of a patient's clinical, demographic, and epidemiological characteristics suggested potential transmission. To justify the switch from on-request to universal genotyping - particularly in the public health domain, with its limited resources and competing priorities - it is important to demonstrate the additional benefit provided by a universal genotyping program...
March 14, 2018: Journal of Clinical Microbiology
N T de Siqueira Filha, M de Fatima Pessoa Militao de Albuquerque, R Legood, L Rodrigues, A C Santos
OBJECTIVE: The objective of this study was to evaluate the direct and indirect costs of tuberculosis (TB) (active and latent TB [LTB]) and HIV co-infection from the patient perspective. STUDY DESIGN: Costing study conducted alongside a pragmatic clinical trial. METHODS: The study was conducted in Brazil in a referral service for HIV/AIDS. We applied a standardised questionnaire to collect data about out-of-pocket expenses and indirect cost...
March 10, 2018: Public Health
Anil Jacob Purty
No abstract text is available yet for this article.
January 2018: Indian Journal of Community Medicine
Vinayak Narayan, Nasser Mohammed, Amey R Savardekar, Devi Prasad Patra, Anil Nanda
INTRODUCTION: Spinal tuberculosis [TB] is a common infectious disease prevalent in developing countries and a rising disaster in developed countries. The association of tuberculosis with spondylolisthesis is rarely reported in literature. The aim of our review is to analyse the clinical features and radiologic characteristics of TB spondylolisthesis along with providing a concise update on its surgical management, based on current literature. METHODS: A systematic review is performed after conducting a thorough search in the PubMed database...
March 8, 2018: World Neurosurgery
Matthew W Marney, Robert P Metzger, David Hecht, Faramarz Valafar
WHO reported 10.4 million new tuberculosis (TB) cases and 1.8 million deaths in 2015, making M. tuberculosis the most successful human pathogen with highest mortality among infectious diseases [1,2]. Drug-resistant TB is a major threat to global TB control [2,3]. Recently Torres et al. [4] identified 14 novel substitutions in M. tuberculosis-KatG (the enzyme associated with resistance to isoniazid-an important first-line anti-TB drug) and demonstrated that 12 of the 14 can cause INH-resistance in M. smegmatis...
January 2018: Tuberculosis
Payal Dande, Purva Samant
Tuberculosis [TB] has afflicted numerous nations in the world. As per a report by the World Health Organization [WHO], an estimated 1.4 million TB deaths in 2015 and an additional 0.4 million deaths resulting from TB disease among people living with HIV, were observed. Most of the TB deaths can be prevented if it is detected at an early stage. The existing processes of diagnosis like blood tests or sputum tests are not only tedious but also take a long time for analysis and cannot differentiate between different drug resistant stages of TB...
January 2018: Tuberculosis
Shahrad Hakimian, Yevgeniy Popov, Abbas H Rupawala, Karen Salomon-Escoto, Steven Hatch, Randall Pellish
Background: Tumor necrosis factor alpha (TNFα) is a key cytokine in both the pathogenesis of inflammatory bowel disease (IBD) and rheumatoid arthritis (RA) and the host defense against tuberculosis (TB). Consequently, anti-TNFα medications result in an increased risk of latent TB infection (LTBI) reactivation. Here, we sought to evaluate the factors affecting the results of QuantiFERON-TB Gold In-Tube (QFT-GIT) assay as a screening tool for LTBI. Methods: We conducted an observational, retrospective study in patients with IBD and RA who underwent LTBI screening using QFT-GIT at UMass Memorial Medical Center between 2008 and 2016 prior to initiation of anti-TNF medications...
2018: Biologics: Targets & Therapy
Kalaiselvi Kumarasingam, Mangayarkarasi Vincent, Shivshankar R Mane, Raja Shunmugam, S Sivakumar, K R Uma Devi
Background: Tuberculosis (TB) has been identified in skeletons over 6000 years old and still remains as the most prevalent infectious disease in the world; thus, there is a need for development of new drugs or tuning of old drugs. Nanotechnology, an advanced technology, plays a vital role in research for the diagnosis and treatment of TB, thus preventing adverse effects and drug resistance. The objective of this study was to enhance the antimycobacterial activity of isoniazid- (INH) and rifampicin (RIF)-incorporated norbornene (NOR) nanoparticles in comparison with plain INH and RIF without nanoparticles...
January 2018: International Journal of Mycobacteriology
Lisa Frigati, Moherdran Archary, Helena Rabie, Martina Penazzato, Nathan Ford
Early mortality and morbidity remain high in children initiating antiretroviral therapy (ART), especially in sub-Saharan Africa. Many children still present with advanced human immunodeficiency virus (HIV) disease. Tuberculosis, pneumonia, and severe bacterial infections are the main causes of hospital admission in HIV-infected children. In contrast to adults with advanced HIV disease, cryptococcal disease is not common in childhood, although there is a peak in infancy and adolescence. Interventions such as TB screening in symptomatic children, and isoniazid and cotrimoxazole prophylaxis should be implemented...
March 4, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
E Pavlenko, A Barbova, A Hovhannesyan, Z Tsenilova, A Slavuckij, B Shcherbak-Verlan, A Zhurilo, E Vitek, G Skenders, I Sela, A M Cabibbe, D M Cirillo, P de Colombani, M Dara, A Dean, M Zignol, A Dadu
SETTING: The true prevalence of multidrug-resistant tuberculosis (MDR-TB) in Ukraine is not known. Available data are a decade old and limited to only one province. OBJECTIVE: To determine the prevalence of MDR-TB among new and previously treated TB cases in Ukraine and explore the risk factors associated with drug resistance. METHODS: A total of 1550 sputum smear-positive pulmonary TB patients were recruited from 40 clusters throughout Ukraine...
February 1, 2018: International Journal of Tuberculosis and Lung Disease
M H Anthony-Williams, B B Farrugia, S Montefort
The annual incidence of tuberculosis (TB) in Malta has remained low, at <20 per 100 000 population per year. However, TB notification among vulnerable groups is on the rise and is a matter of public health concern. We measured the TB notification rate, which ranged from 470 to 880/100 000 among migrant boat arrivals 1 year after arrival, highlighting the need to maintain high treatment success rates. Early case detection and high treatment success were observed due to post-arrival screening; however, the need for pragmatic, patient-friendly approaches that will encourage self-referral and access to treatment among migrant groups could play a significant role in preventing the re-emergence of TB in low-incidence settings...
February 1, 2018: International Journal of Tuberculosis and Lung Disease
A Jiamsakul, M-P Lee, K V Nguyen, T P Merati, D D Cuong, R Ditangco, E Yunihastuti, S Ponnampalavanar, F Zhang, S Kiertiburanakul, A Avihingasanon, O T Ng, B L H Sim, W-W Wong, J Ross, M Law
SETTING: Tuberculosis (TB) is the most common human immunodeficiency virus (HIV) related opportunistic infection and cause of acquired immune-deficiency syndrome related death. TB often affects those from a low socio-economic background. OBJECTIVE: To assess the socio-economic determinants of TB in HIV-infected patients in Asia. DESIGN: This was a matched case-control study. HIV-positive, TB-positive cases were matched to HIV-positive, TB-negative controls according to age, sex and CD4 cell count...
February 1, 2018: International Journal of Tuberculosis and Lung Disease
A Odone, B Roberts, M Dara, M van den Boom, H Kluge, M McKee
SETTING: The first pillar in the World Health Organisation's (WHO's) End TB strategy is 'Integrated, patient-centred tuberculosis (TB) care and prevention'. However, what are patient- and people-centred care, and why are they important for TB care and prevention? OBJECTIVE AND RATIONALE: To define the concept of patient-centred care, the rationale for it, and its evolution into people-centred care; and to explore evidence on whether people-centred approaches work for TB and present key areas where continuous efforts are needed to support their implementation...
February 1, 2018: International Journal of Tuberculosis and Lung Disease
Nothando Ngwenya, Dumile Gumede, Maryam Shahmanesh, Nuala McGrath, Alison Grant, Janet Seeley
Following calls for targeted HIV prevention interventions in so-called "hotspots", we explored subjective perceptions of community members in places considered to be high HIV and tuberculosis (TB) transmission areas and those with low prevalence. Although more people now have access to antiretroviral therapy (ART), some areas are still experiencing high HIV transmission rates, presenting a barrier to the elimination of HIV. A rapid qualitative assessment approach was used to access a sample of 230 people who contributed narratives of their experiences and perceptions of transmission, treatment and prevention of HIV and TB in their communities...
March 2018: African Journal of AIDS Research: AJAR
Eva M Moya, Silvia M Chavez-Baray, Omar Martínez
The study of tuberculosis (TB) in the U.S.-Mexico border involves the consideration of three key components, which are complex and interrelated: the difficulty tracking and providing appropriate TB care due to the epidemiological and pathological characteristics of TB; the border itself is a geographical and epidemiological area that interweaves two nations, two cultures, two health systems and different laws; and the need for prevention and treatment approaches to TB that involve comprehensive clinical care and prevention while also taking into consideration stigma, social context and knowledge...
July 2017: EHQUIDAD
Peter Sifuna, Lucas Otieno, Sheila Ogwang, Bernhards Ogutu, Ben Andagalu, John Owuoth, Valentine Singoei, Jessica Cowden, Walter Otieno
BACKGROUND: The vast majority of deaths in the health and Kombewa demographic surveillance system (HDSS) study area are not registered and reported through official systems of vital registration. As a result, few data are available regarding causes of death in this population. OBJECTIVES: To describe causes of death among residents of all ages in the Kombewa HDSS, located in rural Western Kenya. METHODS: Verbal autopsy (VA) interviews at the site were conducted using the modified 2007 and later 2012 standardized WHO questionnaires...
2018: Global Health Action
Erik J Groessl, Theodore G Ganiats, Naomi Hillery, Andre Trollip, Roberta L Jackson, Donald G Catanzaro, Timothy C Rodwell, Richard S Garfein, Camilla Rodrigues, Valeriu Crudu, Thomas C Victor, Antonino Catanzaro
BACKGROUND: Growth-based drug susceptibility testing (DST) is the reference standard for diagnosing drug-resistant tuberculosis (TB), but standard time to result (TTR) is typically ≥ 3 weeks. Rapid tests can reduce that TTR to days or hours, but accuracy may be lowered. In addition to the TTR and test accuracy, the cost of a diagnostic test may affect whether it is adopted in clinical settings. We examine the cost-effectiveness of rapid diagnostics for extremely drug-resistant TB (XDR-TB) in three different high-prevalence settings...
March 2, 2018: BMC Infectious Diseases
Ajeet Kumar Verma, Arti Yadav, Sarvendra Vikram Singh, Pratibha Mishra, Srikanta Kumar Rath
AIMS: Long-term treatment of Isoniazid (INH) in tuberculosis (TB) patients can lead to anti-tuberculosis drug-induced hepatotoxicity. To understand the mechanism of hepatotoxicity, an attempt has been made to elucidate the role of Nrf2, a transcription factor induced by oxidative stress, in INH induced apoptosis liver cancer cell lines. MATERIALS AND METHODS: Cytotoxicity was evaluated by MTT assay. Apoptosis and reactive oxygen species (ROS) generation was performed by flow cytometry...
February 27, 2018: Life Sciences
Liesl Page-Shipp, James J Lewis, Kavindhran Velen, Sedikanelo Senoge, Elizabeth Zishiri, Flora Popane, Violet N Chihota, Dave Clark, Gavin J Churchyard, Salome Charalambous
BACKGROUND: In South Africa, TB household contact tracing provides an opportunity for increased TB and HIV case finding. We aimed to determine the effect of two new potential interventions for TB contact tracing programmes: Point of Care CD4 (PoC CD4) on HIV linkage to care and household Isoniazid Preventive Therapy (IPT) provision on uptake and retention of IPT. METHODS: A pragmatic, three-arm, cluster-randomized trial was undertaken. TB Household contacts were randomised to 3 arms: 1) Standard of Care TB and HIV testing (SOC); 2) SOC with POC CD4 for those testing HIV positive; 3) SOC with POC CD4 and IPT for eligible household members...
2018: PloS One
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