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https://www.readbyqxmd.com/read/28185618/tuberculosis-a-world-health-organization-perspective
#1
Giovanni Sotgiu, Giorgia Sulis, Alberto Matteelli
Tuberculosis (TB) is an important cause of morbidity and mortality worldwide. The World Health Organization (WHO) has implemented and scaled-up three important global public health strategies (i.e., DOTS, Stop TB, and End TB) to improve the international scenario. Their epidemiological impact was relevant, as they decreased the number of potential new cases of disease and death. However, the emergence and spread of TB/HIV coinfection and multidrug-resistant TB have hindered the progress towards the elimination of TB by 2050...
January 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28185538/synthesis-and-biological-evaluation-of-hybrid-1-5-and-2-5-disubstituted-indoles-as-potentially-new-antitubercular-agents
#2
Ana Soares, Mónica S Estevão, M Manuel B Marques, Vasily Kovalishyn, Diogo A R S Latino, João Aires-de-Sousa, Jorge Ramos, Miguel Viveiros, Filomena Martins
BACKGROUND: Tuberculosis (TB) is the second leading cause of mortality worldwide being a highly contagious and insidious illness caused by Mycobacterium tuberculosis, Mtb. Additionally, the emergence of multidrug-resistant and extensively drug-resistant strains of Mtb, together with significant levels of co-infection with HIV and TB (HIV/TB) makes the search for new antitubercular drugs urgent and challenging. METHODS: This work was based on the hypothesis that an active compound could be obtained if substituents present in some other active compounds were attached on a core of an important structure, in this case the indole scaffold, thus generating a hybrid compound...
February 9, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28178936/successful-tb-treatment-outcome-and-its-associated-factors-among-tb-hiv-co-infected-patients-attending-gondar-university-referral-hospital-northwest-ethiopia-an-institution-based-cross-sectional-study
#3
Yenework Sinshaw, Shitaye Alemu, Abel Fekadu, Mucheye Gizachew
BACKGROUND: Tuberculosis/Human immunodeficiency virus (TB/HIV) co-infection is bidirectional and synergistic which mainly affects interventions that have been taken on the area. Tb patients co-infected with HIV have poorer treatment outcome as compared to non-co-infected patients. There is limited information regarding successful TB treatment outcomes and its associated factors; a reason that this study was planned to investigate. METHODS: An institution based cross sectional study was carried out from July 2010 to January 2016...
February 8, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28161460/tuberculosis-associated-mortality-in-a-prospective-cohort-in-sub-saharan-africa-association-with-hiv-and-antiretroviral-therapy
#4
REVIEW
Tumaini J Nagu, Said Aboud, Ramadhani Mwiru, Mecky I Matee, Martin Rao, Wafaie W Fawzi, Alimuddin Zumla, Markus J Maeurer, Ferdinand Mugusi
OBJECTIVE: Nine out of ten tuberculosis deaths occur in tuberculosis-burdened countries, particularly Sub Saharan Africa. In these setting mortality has not been fully described. We describe the magnitude and pattern of TB mortality in Tanzania. METHODS: A multicenter prospective cohort study was conducted among HIV infected and uninfected pulmonary tuberculosis patients from time of anti-TB treatment initiation to completion. Patients were censored at the time of treatment completion, or at their last visit for those who did not complete TB treatment...
February 1, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28108678/anti-tb-drug-concentrations-and-drug-associated-toxicities-among-tb-hiv-coinfected-patients
#5
C Sekaggya-Wiltshire, A von Braun, A U Scherrer, Y C Manabe, A Buzibye, D Muller, B Ledergerber, U Gutteck, N Corti, A Kambugu, P Byakika-Kibwika, M Lamorde, B Castelnuovo, J Fehr, M R Kamya
BACKGROUND: Toxicities due to anti-TB treatment frequently occur among TB/HIV-coinfected patients. OBJECTIVES: To determine the association between anti-TB drug concentrations and the occurrence of hepatotoxicity and peripheral neuropathy among TB/HIV-coinfected patients. METHODS: TB/HIV-coinfected patients were started on standard dose anti-TB treatment according to WHO guidelines. Anti-TB drug concentrations were measured using HPLC 1, 2 and 4 h after drug intake at 2, 8 and 24 weeks following initiation of TB treatment...
January 19, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28107473/butimba-intensifying-the-hunt-for-child-tb-in-swaziland-through-household-contact-tracing
#6
Anna Maria Mandalakas, Katherine Ngo, Pilar Alonso Ustero, Rachel Golin, Florence Anabwani, Bulisile Mzileni, Welile Sikhondze, Robert Stevens
BACKGROUND: Limited data exists to inform contact tracing guidelines in children and HIV-affected populations. We evaluated the yield and additionality of household contact and source case investigations in Swaziland, a TB/HIV high-burden setting, while prioritizing identification of childhood TB. METHODS: In partnership with 7 local TB clinics, we implemented standardized contact tracing of index cases (IC) receiving TB treatment. Prioritizing child contacts and HIV-affected households, screening officers screened contacts for TB symptoms and to identify risk factors associated with TB...
2017: PloS One
https://www.readbyqxmd.com/read/28107430/discontinuation-from-antiretroviral-therapy-a-continuing-challenge-among-adults-in-hiv-care-in-ethiopia-a-systematic-review-and-meta-analysis
#7
Hailay Abrha Gesesew, Paul Ward, Kifle Woldemichael Hajito, Garumma Tolu Feyissa, Leila Mohammadi, Lillian Mwanri
BACKGROUND: Discontinuation of antiretroviral therapy (ART) reduces the immunological benefit of treatment and increases complications related to human immune-deficiency virus (HIV). However, the risk factors for ART discontinuation are poorly understood in developing countries particularly in Ethiopia. This review aimed to assess the best available evidence regarding risk factors for ART discontinuation in Ethiopia. METHODS: Quantitative studies conducted in Ethiopia between 2002 and 2015 that evaluated factors associated with ART discontinuation were sought across six major databases...
2017: PloS One
https://www.readbyqxmd.com/read/28100068/prevalence-patterns-and-correlates-of-hiv-disclosure-among-tb-hiv-patients-initiating-antiretroviral-therapy-in-lesotho
#8
Eleanor Hayes-Larson, Yael Hirsch-Moverman, Suzue Saito, Koen Frederix, Blanche Pitt, Bridget Llang Maama, Andrea A Howard
Disclosure of HIV-positive status has important implications for patient outcomes and preventing HIV transmission, but has been understudied in TB-HIV patients. We assessed disclosure patterns and correlates of non-disclosure among adult TB-HIV patients initiating ART enrolled in the START Study, a mixed-methods cluster-randomized trial conducted in Lesotho, which evaluated a combination intervention package (CIP) versus standard of care. Interviewer-administered questionnaire data were analyzed to describe patterns of disclosure...
January 18, 2017: AIDS Care
https://www.readbyqxmd.com/read/28086929/early-virological-failure-and-hiv-drug-resistance-in-ugandan-adults-co-infected-with-tuberculosis
#9
Amrei von Braun, Christine Sekaggya-Wiltshire, Alexandra U Scherrer, Brian Magambo, Andrew Kambugu, Jan Fehr, Barbara Castelnuovo
PURPOSE: This cross-sectional study took place in the integrated tuberculosis (TB) clinic of a large outpatient clinic for HIV-infected patients in Kampala, Uganda. The purpose of this study was to describe the proportion of TB/HIV co-infected adults with virological failure, type and frequency of HIV drug resistance-associated mutations, and the proportion of patients with suboptimal efavirenz levels. METHODS: HIV-1 plasma viral loads, CD4 cell count measurements, and efavirenz serum concentrations were done in TB/HIV co-infected adults...
January 5, 2017: AIDS Research and Therapy
https://www.readbyqxmd.com/read/28086877/treating-the-invisible-gaps-and-opportunities-for-enhanced-tb-control-along-the-thailand-myanmar-border
#10
Naomi Tschirhart, Sein Sein Thi, Lei Lei Swe, Francois Nosten, Angel M Foster
BACKGROUND: In Thailand's northwestern Tak province, contextual conditions along the border with Myanmar pose difficulties for TB control among migrant populations. Incomplete surveillance data, migrant patient mobility, and loss to follow-up make it difficult to estimate the TB burden and implement effective TB control measures. This multi-methods study examined tuberculosis, tuberculosis and human immunodeficiency virus co-infection, and multidrug-resistant tuberculosis treatment accessibility for migrants and refugees in Tak province, health system response, and public health surveillance...
January 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28081036/one-year-mortality-of-hiv-positive-patients-treated-for-rifampicin-and-isoniazid-susceptible-tuberculosis-in-eastern-europe-western-europe-and-latin-america
#11
(no author information available yet)
OBJECTIVES: The high mortality among HIV/tuberculosis (TB) coinfected patients in Eastern Europe is partly explained by the high prevalence of drug-resistant TB. It remains unclear whether outcomes of HIV/TB patients with rifampicin/isoniazid-susceptible TB in Eastern Europe differ from those in Western Europe or Latin America. METHODS: One-year mortality of HIV-positive patients with rifampicin/isoniazid-susceptible TB in Eastern Europe, Western Europe, and Latin America was analysed and compared in a prospective observational cohort study...
January 28, 2017: AIDS
https://www.readbyqxmd.com/read/28043543/investigation-of-urine-lipoarabinomannan-in-human-immunodeficiency-virus-patients-with-or-without-coinfection-with-tuberculosis-in-iran
#12
Payam Tabarsi, Majid Marjani, Afshin Moniri, Parissa Farnia, Mehdi Kazempour Dizaji, John Garssen, Ian M Adcock, Esmaeil Mortaz
OBJECTIVE/BACKGROUND: Tuberculosis (TB) remains the leading cause of AIDS-related deaths among adults in countries with resource limitations. The emergence of the Xpert MTB/RIF rapid molecular assay and its subsequent World Health Organization endorsement in 2010 transformed the TB-diagnostic landscape. Xpert provided diagnostic accuracy that was far superior to that of the sputum-smear microscopy test previously used. The detection of mycobacterial lipoarabinomannan (LAM) antigen in urine has emerged as a potential point-of-care test for TB...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28043526/hiv-and-tuberculosis-trends-and-survival-of-coinfection-in-a-referral-center-in-tehran-a-12-year-study
#13
Parvaneh Baghaei, Payam Tabarsi, Syna Jabehdari, Majid Marjani, Afshin Moniri, Parissa Farnia, Ali Akbar Velayati
OBJECTIVE/BACKGROUND: The risk of mortality and morbidity among tuberculosis (TB) and human immunodeficiency virus (HIV) coinfected patients is significantly higher than that of patients infected with TB alone. The aim of this study was to evaluate the survival of TB-HIV patients in a TB-referral center during a 10-year follow-up. METHODS: All TB-HIV patients in our referral center were enrolled in the study from 2003 to 2014, and patients were divided into two groups: HIV-TB patients without a history of TB treatment (new cases of TB) and HIV-TB patients with a history of TB treatment...
December 2016: International Journal of Mycobacteriology
https://www.readbyqxmd.com/read/28038962/confirming-model-predicted-pharmacokinetic-interactions-between-bedaquiline-and-lopinavir-ritonavir-or-nevirapine-in-patients-with-hiv-and-drug-resistant-tuberculosis
#14
Margreke J E Brill, Elin M Svensson, Mishal Pandie, Gary Maartens, Mats O Karlsson
Bedaquiline and its metabolite M2 are metabolised by CYP3A4. The antiretrovirals ritonavir-boosted lopinavir (LPV/r) and nevirapine inhibit and induce CYP3A4, respectively. Here we aimed to quantify nevirapine and LPV/r drug-drug interaction effects on bedaquiline and M2 in patients co-infected with HIV and multidrug-resistant tuberculosis (MDR-TB) using population pharmacokinetic (PK) analysis and compare these with model-based predictions from single-dose studies in subjects without TB. An observational PK study was performed in three groups of MDR-TB patients during bedaquiline maintenance dosing: HIV-seronegative patients (n = 17); and HIV-infected patients using antiretroviral therapy including nevirapine (n = 17) or LPV/r (n = 14)...
December 14, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28032069/tb-hiv-co-infection-in-iran-current-situation-and-the-modeling-study-for-future-policy
#15
Shahab Rezaeian, Somayeh Khazaei, Salman Khazaei
No abstract text is available yet for this article.
November 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27974543/evaluation-of-the-genotype%C3%A2-mtbdrsl%C3%A2-ver-2-0-assay-for-second-line-drug-resistance-detection-of-mycobacterium-tuberculosis-isolates-in-south-africa
#16
Y Gardee, A W Dreyer, H J Koornhof, S V Omar, P da Silva, Z Bhyat, N A Ismail
Early detection of resistance to second-line anti-tuberculosis drugs is important for the management of multidrug-resistant (MDR)-TB. The Genotype® MTBDRsl VERSION 2.0 (VER 2.0) line probe assay has been redesigned for molecular detection of resistance-conferring mutations of fluoroquinolones (FLQ) (gyrA and gyrB genes) and second-line injectable drugs (SLID) (rrs and eis genes). The study evaluated the diagnostic performance of MTBDRsl VER 2.0 for the detection of second-line drug resistance compared with phenotypic drug susceptibility testing (DST), using the Bactec™ MGIT 960 system on Mycobacterium tuberculosis complex isolates from South Africa...
December 14, 2016: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/27936379/clinical-and-epidemiological-characteristics-associated-with-unfavorable-tuberculosis-treatment-outcomes-in-tb-hiv-co-infected-patients-in-brazil-a-hierarchical-polytomous-analysis
#17
Thiago Nascimento do Prado, Jayant V Rajan, Angélica Espinosa Miranda, Elias Dos Santos Dias, Lorrayne Beliqui Cosme, Lia Gonçalves Possuelo, Mauro N Sanchez, Jonathan E Golub, Lee W Riley, Ethel Leonor Maciel
BACKGROUND: TB patients co-infected with HIV have worse treatment outcomes than non-coinfected patients. How clinical characteristics of TB and socioeconomic characteristics influence these outcomes is poorly understood. Here, we use polytomous regression analysis to identify clinical and epidemiological characteristics associated with unfavorable treatment outcomes among TB-HIV co-infected patients in Brazil. METHODS: TB-HIV cases reported in the Brazilian information system (SINAN) between January 1, 2001 and December 31, 2011 were identified and categorized by TB treatment outcome (cure, default, death, and development of MDR TB)...
December 6, 2016: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27936146/performance-of-clinical-screening-algorithms-for-tuberculosis-intensified-case-finding-among-people-living-with-hiv-in-western-kenya
#18
Surbhi Modi, Joseph S Cavanaugh, Ray W Shiraishi, Heather L Alexander, Kimberly D McCarthy, Barbara Burmen, Hellen Muttai, Chad M Heilig, Allyn K Nakashima, Kevin P Cain
OBJECTIVE: To assess the performance of symptom-based screening for tuberculosis (TB), alone and with chest radiography among people living with HIV (PLHIV), including pregnant women, in Western Kenya. DESIGN: Prospective cohort study. METHODS: PLHIV from 15 randomly-selected HIV clinics were screened with three clinical algorithms [World Health Organization (WHO), Ministry of Health (MOH), and "Improving Diagnosis of TB in HIV-infected persons" (ID-TB/HIV) study], underwent chest radiography (unless pregnant), and provided two or more sputum specimens for smear microscopy, liquid culture, and Xpert MTB/RIF...
2016: PloS One
https://www.readbyqxmd.com/read/27917197/profile-and-treatment-outcomes-of-patients-with-tuberculosis-in-northeastern-ethiopia-a-cross-sectional-study
#19
Daniel Mekonnen, Awoke Derbie, Hailu Mekonnen, Yohannes Zenebe
BACKGROUND: Data on the epidemiology of tuberculosis and its treatment outcomes were incomplete in the study area and this study was done to fill this gap. METHODS: Institution based cross sectional study was conducted from January 2011 to December 2014. A total of 949 TB patients who were on treatment in North Eastern Ethiopia, Eastern Amhara region were included. Data was analyzed using SPSS version 20. Frequency, percentages and means were used to present data...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27917196/five-years-retrospective-cohort-analysis-of-treatment-outcomes-of-tb-hiv-patients-at-a-pepfar-dots-centre-in-south-eastern-nigeria
#20
Omotowo I Babatunde, Ekwueme O Christiandolus, Eke C Bismarck, Obi I Emmanuel, Agunwa C Chike, Eyisi I Gabriel
BACKGROUND: Human immunodeficiency virus (HIV) associated tuberculosis (TB) remains a major global public health challenge, with an estimated 1.4 million patients worldwide. Co-infection with HIV leads to challenges in the diagnosis and treatment of patients. OBJECTIVES: The aim of this study was to assess treatment outcomes of a cohort of smear positive TB-HIV co-infected patients over a five-year study period. METHODS: A retrospective cohort study of 600 smear-positive tuberculosis patients registered at the chest unit of the University of Nigeria Teaching Hospital, Enugu from January 2008 to December 2012 was done...
September 2016: African Health Sciences
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