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https://www.readbyqxmd.com/read/28728346/suggestions-for-promoting-evidence-based-public-health-in-korea
#1
Jong-Myon Bae
The Public Health (EBPH) is defined as a decision-making in the domain of public health using current best evidences. Debates about the latent tuberculosis infection control program suggested by the Korea Centers for Disease Control and Prevention in 2017 bring the need for promoting EBPH. To do this, three strategies were suggested as following: drawing some necessary evidences by evaluating policy-evidence gaps, delivering good quality and relevant evidences timely by conducting systematic reviews and adapting public health guidelines, and making the value-driven decisions by training and educating public health policy makers...
July 19, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28728275/-changes-and-differences-of-dna-methylation-in-human-macrophages-infected-with-virulent-and-avirulent-mycobacterium-tuberculosis
#2
L N Lyu, H Y Jia, Z H Li, Z Q Liu, Z D Zhang
Objective: To profile DNA methylation and compare differentially methylated region (DMR) of macrophages infected with virulent and avirulent strains of Mycobacterium tuberculosis (MTB). Methods: PMA(50 ng/ml) treated THP-1 macrophages were left uninfected or infected with the virulent H37Rv(THP-1/Rv) or avirulent H37Ra(THP-1/Ra). The genomic DNA was then extracted and DNA methylation was profiled via Reduced Representation Bisulfite Sequencing (RRBS). The DNA methylation pattern and DMRs between the tested samples were indentified...
July 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28728181/the-value-of-diagnostic-work-up-in-the-evaluation-of-white-dot-syndromes
#3
Neal V Palejwala, Gagan Sawhney, Matthew Raecker, Chrstina J Flaxel, Steven Yeh
BACKGROUND AND OBJECTIVE: To determine the diagnostic yield of systemic work-up in white dot syndromes. PATIENTS AND METHODS: A retrospective chart review. RESULTS: Eighty-six consecutive patients with a diagnosis of a white dot syndrome were identified. Forty-three had a diagnosis of birdshot chorioretinopathy. Overall, 395 diagnostic tests were performed with a diagnostic yield of 11.9%. The test with the greatest diagnostic yield was HLA-A29 typing (89%)...
July 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28727990/new-heterocyclic-compounds-from-ranunculus-ternatus-thunb
#4
Zi-Ming Feng, Zhi-Lai Zhan, Ya-Nan Yang, Jian-Shuang Jiang, Pei-Cheng Zhang
Five new heterocyclic compounds, 5-α-d-fructofuranosylmethyl-furfural (1), 5-β-d-fructofuranosylmethyl-furfural (2), 5-β-d-fructopyranosylmethyl-furfural (3), 4-(2-((2S-2,3-dihydroxypropoxy)methyl)-5-formyl-1H-pyrrol-1-yl)butanoic acid (4), and 3S,4S-4,5,8-trihydroxy-3-(prop-1-en-2-yl)isochroman-1-one (5), were obtained from the root of Ranunculus ternatus Thunb., which is a traditional Chinese anti-tuberculosis medicine. Their structures were elucidated by UV, IR, HRESIMS, NMR data, and the comparison of experimental and calculated electronic circular dichroism (ECD) spectra...
July 12, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28727774/inhibitors-of-mycobacterium-marinum-virulence-identified-in-a-dictyostelium-discoideum-host-model
#5
Hajer Ouertatani-Sakouhi, Sébastien Kicka, Gianpaolo Chiriano, Christopher F Harrison, Hubert Hilbi, Leonardo Scapozza, Thierry Soldati, Pierre Cosson
Tuberculosis remains one of the major threats to public health worldwide. Given the prevalence of multi drug resistance (MDR) in Mycobacterium tuberculosis strains, there is a strong need to develop new anti-mycobacterial drugs with modes of action distinct from classical antibiotics. Inhibitors of mycobacterial virulence might target new molecular processes and may represent a potential new therapeutic alternative. In this study, we used a Dictyostelium discoideum host model to assess virulence of Mycobacterium marinum and to identify compounds inhibiting mycobacterial virulence...
2017: PloS One
https://www.readbyqxmd.com/read/28727491/impact-of-point-of-care-xpert-mtb-rif-on-tuberculosis-treatment-initiation-a-cluster-randomised-trial
#6
Richard J Lessells, Graham S Cooke, Nuala McGrath, Mark P Nicol, Marie-Louise Newell, Peter Godfrey-Faussett
RATIONALE: Point-of-care (POC) diagnostics have potential to reduce pre-treatment loss to follow-up and delays to initiation of appropriate TB treatment. OBJECTIVE: To evaluate the effect of a POC diagnostic strategy on initiation of appropriate TB treatment. METHODS: A cluster randomised trial of adults with cough who were HIV positive and/or at high risk of drug-resistant TB. Two-week time blocks were randomised to two strategies (i) Xpert performed at district hospital laboratory (ii) POC Xpert performed at primary health care clinic...
July 20, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28727473/delay-in-initiation-of-treatment-after-diagnosis-of-pulmonary-tuberculosis-in-primary-health-care-setting-eight-year-cohort-analysis-from-district-faridabad-haryana-north-india
#7
Shashi Kant, Arvind K Singh, Giridara G Parmeshwaran, Partha Haldar, Sumit Malhotra, Ravneet Kaur
INTRODUCTION: Delay in initiation of tuberculosis (TB) treatment may have a tremendous impact on disease transmission, development of drug resistance, poor outcome and overall survival of TB patients. The delay can occur at various levels. Delay in initiation of treatment after diagnosis is mostly due to health system failure and has immense programmatic implications. It has not been studied extensively in the Indian setting. METHODS: The authors did a cohort analysis of all TB patients initiated on treatment from two primary health centres (PHCs) at Ballabgarh Health and Demographic Surveillance System between January 2007 and December 2014...
July 2017: Rural and Remote Health
https://www.readbyqxmd.com/read/28727272/performance-of-clinical-prediction-rules-for-diagnosis-of-pleural-tuberculosis-in-a-high-incidence-setting
#8
Lely Solari, Alonso Soto, Patrick Van der Stuyft
OBJECTIVES: Diagnosis of pleural tuberculosis (PT) is still a challenge, particularly in resource- constrained settings. Alternative diagnostic tools are needed. We aimed at evaluating the utility of Clinical Prediction Rules (CPRs) for diagnosis of Pleural Tuberculosis (PT) in Peru. METHODS: We identified CPRs for diagnosis of PT through a structured literature search. CPRs using high-complexity tests, as defined by the FDA, were excluded. We applied the identified CPRs to patients with pleural exudates attending two third-level hospitals in Lima, Peru, a setting with high incidence of tuberculosis...
July 20, 2017: Tropical Medicine & International Health: TM & IH
https://www.readbyqxmd.com/read/28727141/etiologic-and-differential-diagnostic-significance-of-tumor-location-in-the-supraclavicular-fossa
#9
Achim Franzen, Thomas Günzel, Andre Buchali, Annekatrin Coordes
OBJECTIVE: Patients presenting with a cervical mass are common for head and neck specialists and present a diagnostic challenge against the backdrop of a wide variety of etiologies. The objective of the present study was to evaluate the significance of a mass in the supraclavicular fossa for etiology, diagnostic procedure, and therapy. STUDY DESIGN: Individual retrospective cohort study. METHODS: We reviewed the data of 211 consecutive cases (116 male, 95 female) with excisional biopsy or tumor removal of a supraclavicular mass...
July 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28726436/is-it-intestinal-tuberculosis-again-case-report
#10
Kristián Brat, Zdeněk Merta, Ivan Čundrle
This case report focuses on an immigrant admitted to the Department of Respiratory Diseases, University Hospital Brno due to suspicion of relapsing intestinal tuberculosis. The patient presented with fever, night sweat, weight loss, diarrhea, and a history of several tuberculosis attacks in the last few years. None of the examinations confirmed the presence of active tuberculosis but raised suspicion of hematological malignancy. Pancytopenia was present in the peripheral blood. However, bone marrow examination and flowcytometry excluded the presence of a hematological malignancy...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28725561/bronchopleural-and-pleurocutaneous-fistula-in-hiv-patient-with-pulmonary-tuberculosis
#11
Filipa Duarte-Ribeiro, Cátia Dias, Margarida Mota
We present a 37-year-old man intravenous drug user, with HIV/HCV/HBV co-infection, lymph node tuberculosis 10 years before (completed 12 months of treatment), and left lobar pneumonia 4 years earlier complicated by empyema (treated with left lower lobectomy with a persistent bronchopleural fistula) who was admitted to the emergency department with caseous-purulent drainage and exteriorization of air from an orifice in the chest wall. Acid-fast bacilli were identified in this drainage. A pleurocutaneous fistula was evident on the chest computed tomography scan...
2017: IDCases
https://www.readbyqxmd.com/read/28725444/post-tuberculous-fibrosing-mediastinitis-a-review-of-the-literature
#12
REVIEW
Zhe Wu, Hannah Jarvis, Luke S Howard, Corrina Wright, Onn Min Kon
Fibrosing mediastinitis (FM) is a rare disease where there is thickening of the fibrous tissue in the mediastinum. While histoplasmosis is the the most common recognised cause, the link with tuberculosis (TB) has been rarely documented. We review the link between TB and FM, and describe a case of probable TB-related FM.Our case is of a 74-year-old man who presented with breathlessness 3 years after fully treated TB. Scans revealed a calcified soft tissue mass within the mediastinum, and a diagnosis of fibrosing mediastinitis resulting in pulmonary hypertension was made...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28725166/tuberculosis-and-hiv-are-the-leading-causes-of-adult-death-in-northwest-ethiopia-evidence-from-verbal-autopsy-data-of-dabat-health-and-demographic-surveillance-system-2007-2013
#13
Yigzaw Kebede, Gashaw Andargie, Abebaw Gebeyehu, Tadesse Awoke, Mezgebu Yitayal, Solomon Mekonnen, Mamo Wubshet, Temesgen Azmeraw, Yihunie Lakew, Kassahun Alemu
BACKGROUND: Reliable data on causes of death form the basis for building evidence on health policy, planning, monitoring, and evaluation. In Ethiopia, the majority of deaths occur at home and civil registration systems are not yet functional. The main objective of verbal autopsy (VA) is to describe the causes of death at the community or population level where civil registration and death certification systems are weak and where most people die at home without having had contact with the health system...
2017: Population Health Metrics
https://www.readbyqxmd.com/read/28725053/cyclic-di-gmp-regulates-mycobacterium-tuberculosis-resistance-to-ethionamide
#14
Hai-Nan Zhang, Zhao-Wei Xu, He-Wei Jiang, Fan-Lin Wu, Xiang He, Yin Liu, Shu-Juan Guo, Yang Li, Li-Jun Bi, Jiao-Yu Deng, Xian-En Zhang, Sheng-Ce Tao
Tuberculosis is still on the top of infectious diseases list on both mobility and mortality, especially due to drug-resistance of Mycobacterium tuberculosis (M.tb). Ethionamide (ETH) is one of effective second line anti-TB drugs, a synthetic compound similar to isoniazid (INH) structurally, with existing severe problem of ETH resistance. ETH is a prodrug, which is activated by Etha inside M.tb, and etha is transcriptionally repressed by Ethr. We found that c-di-GMP could bind Ethr, enhanced the binding of Ethr to the promoter of etha, and then repressed the transcription of etha, thus caused resistance of M...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724962/novel-transcriptional-signatures-for-sputum-independent-diagnostics-of-tuberculosis-in-children
#15
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/28724903/co-expression-network-analysis-of-toxin-antitoxin-loci-in-mycobacterium-tuberculosis-reveals-key-modulators-of-cellular-stress
#16
Amita Gupta, Balaji Venkataraman, Madavan Vasudevan, Kiran Gopinath Bankar
Research on toxin-antitoxin loci (TA loci) is gaining impetus due to their ubiquitous presence in bacterial genomes and their observed roles in stress survival, persistence and drug tolerance. The present study investigates the expression profile of all the seventy-nine TA loci found in Mycobacterium tuberculosis. The bacterium was subjected to multiple stress conditions to identify key players of cellular stress response and elucidate a TA-coexpression network. This study provides direct experimental evidence for transcriptional activation of each of the seventy-nine TA loci following mycobacterial exposure to growth-limiting environments clearly establishing TA loci as stress-responsive modules in M...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724694/role-of-long-chain-acyl-coas-in-the-regulation-of-mycolic-acid-biosynthesis-in-mycobacteria
#17
Yi Ting Tsai, Valentina Salzman, Matías Cabruja, Gabriela Gago, Hugo Gramajo
One of the dominant features of the biology of Mycobacterium tuberculosis, and other mycobacteria, is the mycobacterial cell envelope with its exceptional complex composition. Mycolic acids are major and very specific components of the cell envelope and play a key role in its architecture and impermeability. Biosynthesis of mycolic acid (MA) precursors requires two types of fatty acid synthases, FAS I and FAS II, which should work in concert in order to keep lipid homeostasis tightly regulated. Both FAS systems are regulated at their transcriptional level by specific regulatory proteins...
July 2017: Open Biology
https://www.readbyqxmd.com/read/28724461/tuberculous-otitis-media-a-resurgence
#18
M Kameswaran, K Natarajan, M Parthiban, P V Krishnan, S Raghunandhan
OBJECTIVE: Tuberculosis is a global health problem that is especially prevalent in developing countries such as India. Recently, atypical presentation has become more common and a high index of suspicion is essential. This study analysed the various presenting symptoms and signs of tuberculous otitis media and the role of diagnostic tests, with the aim of formulating criteria for the diagnosis. METHODS: A total of 502 patients underwent tympanomastoidectomy over a two-year period...
July 20, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28724374/cost-effectiveness-of-isoniazid-preventive-therapy-among-hiv-infected-patients-clinicaly-screened-for-latent-tuberculosis-infection-in-dar-es-salaam-tanzania-a-prospective-cohort-study
#19
Grace A Shayo, Dereck Chitama, Candida Moshiro, Said Aboud, Muhammad Bakari, Ferdinand Mugusi
BACKGROUND: One of the reasons why Isoniazid preventive therapy (IPT) for Tuberculosis (TB) is not widely used in low income countries is concerns on cost of excluding active TB. We analyzed the cost-effectiveness of IPT provision in Tanzania having ruled out active TB by a symptom-based screening tool. METHODS: Data on IPT cost-effectiveness was prospectively collected from an observational cohort study of 1283 HIV-infected patients on IPT and 1281 controls; followed up for 24 months...
July 19, 2017: BMC Public Health
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
#20
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
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