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https://www.readbyqxmd.com/read/28427367/determinants-of-delayed-care-seeking-for-tb-suggestive-symptoms-in-seru-district-oromiya-region-ethiopia-a-community-based-unmatched-case-control-study
#1
Robel Yirgu, Firaol Lemessa, Selamawit Hirpa, Abraham Alemayehu, Eveline Klinkenberg
BACKGROUND: Early tuberculosis (TB) case finding and adequate chemotherapy are essential for interrupting disease transmission and preventing complications due to delayed care seeking. This study was undertaken in order to provide insights into the magnitude and determinants of patient delay. METHODS: The study was conducted in rural Seru district, employing a population based unmatched case-control study design. The WHO standardized TB screening tool was used to identify presumptive TB cases among the district population ages > 15 years...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28424703/immune-responses-to-bacillus-calmette-gu%C3%A3-rin-vaccination-why-do-they-fail-to-protect-against-mycobacterium-tuberculosis
#2
REVIEW
Juan I Moliva, Joanne Turner, Jordi B Torrelles
Mycobacterium tuberculosis (M.tb), the causative agent of tuberculosis (TB), is the current leading cause of death due to a single infectious organism. Although curable, the broad emergence of multi-, extensive-, extreme-, and total-drug resistant strains of M.tb has hindered eradication efforts of this pathogen. Furthermore, computational models predict a quarter of the world's population is infected with M.tb in a latent state, effectively serving as the largest reservoir for any human pathogen with the ability to cause significant morbidity and mortality...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28424035/coexistence-of-tuberculosis-and-malignancy-a-mere-coincidence-or-a-causal-association
#3
Mukta Pujani, Zeeba S Jairajpuri, Sabina Khan, Mohd Jaseem Hassan, Sujata Jetley, Safia Rana
Tuberculosis (TB) and malignancy are among the most important current global health problems. Many authors suggest that their coexistence is a chance association owing to their high prevalence. There is, however, enough evidence that one condition may predispose the other. In our retrospective report of two cases, TB in draining lymph nodes was discovered incidentally on histopathology, following surgical resection for malignancy. The possibility of coexistent lesions, especially in regions endemic for TB, mandate a detailed histopathological examination to prevent the chances of diagnostic failure and thus therapeutic error...
April 2017: Tropical Doctor
https://www.readbyqxmd.com/read/28419376/latent-tb-infection-and-pulmonary-tb-disease-among-patients-with-diabetes-mellitus-in-bandung-indonesia
#4
Raspati C Koesoemadinata, Susan M McAllister, Nanny N M Soetedjo, Dwi Febni Ratnaningsih, Rovina Ruslami, Sarah Kerry, Ayesha J Verrall, Lika Apriani, Reinout van Crevel, Bachti Alisjahbana, Philip C Hill
Background: Screening and treatment of latent TB infection (LTBI) and TB disease could reduce diabetes mellitus (DM)-associated TB. We aimed to describe the prevalence of LTBI and pulmonary TB among patients with DM in a TB-endemic setting. Methods: Patients with DM attending a hospital and community centres in Bandung, Indonesia, underwent LTBI screening using interferon gamma release assay (IGRA). TB was investigated by sputum smear, culture and x-ray. TB contacts from a parallel study were age- and sex-matched to patients with DM to compare LTBI and TB disease prevalence...
April 13, 2017: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28419277/prevention-of-tb-using-rifampicin-plus-isoniazid-reduces-nevirapine-concentrations-in-hiv-exposed-infants
#5
Helen McIlleron, Paolo Denti, Silvia Cohn, Fildah Mashabela, Jennifer D Hoffmann, Saba Shembe, Regina Msandiwa, Lubbe Wiesner, Sithembiso Velaphi, Sanjay G Lala, Richard E Chaisson, Neil Martinson, Kelly E Dooley
Background: Newborns of HIV-infected mothers are given daily doses of nevirapine to prevent HIV-1 acquisition. Infants born to mothers with TB should also receive TB preventive therapy. TB preventive regimens include isoniazid for 6 months or rifampicin plus isoniazid for 3 months (RH preventive therapy). The effect of concomitant RH preventive therapy on nevirapine concentrations in infants is unknown. Patients and methods: Tshepiso was a prospective case-control cohort study of pregnant HIV-infected women with and without TB whose newborn infants received standard doses of nevirapine for HIV prophylaxis...
April 16, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28417858/-18-f-fdg-pet-ct-imaging-of-thoracic-and-extrathoracic-tuberculosis-in-children
#6
REVIEW
Matthieu Pelletier-Galarneau, Patrick Martineau, Lionel S Zuckier, Xuan Pham, Raymond Lambert, Sophie Turpin
Tuberculosis (TB) remains a major health problem, affecting approximately one-third of the world׳s population. The tubercle bacillus can affect virtually any organ of the human body and if left untreated can lead to severe morbidity and death. Diagnosis of active TB is challenging, especially in children. As a "great imitator," the disease can mimic numerous other pathologies, both clinically and at imaging. Although recognition of active TB is crucial to initiate adequate treatment in a timely fashion, thereby preventing transmission of disease, differentiation of active and quiescent disease is not always straightforward...
May 2017: Seminars in Nuclear Medicine
https://www.readbyqxmd.com/read/28416555/mycobacterium-tuberculosis-proteome-response-to-anti-tuberculosis-compounds-reveals-metabolic-escape-pathways-that-prolong-bacterial-survival
#7
Lia Danelishvili, Natalia Shulzhenko, Jessica J J Chinison, Lmar Babrak, Jialu Hu, Andriy Morgun, Gregory Burrows, Luiz E Bermudez
Tuberculosis (TB) continues to be one of the most common bacterial infectious diseases and the leading cause of death in many parts of the world. A major limitation of TB therapy is slow killing of infecting organism, increasing the risk for the development of tolerance phenotype and drug-resistance. Studies indicate that M. tuberculosis (Mtb) takes several days to be killed upon treatment with lethal concentrations of antibiotics both in vitro and in vivo To investigate how metabolic remodeling can enable transient bacterial survival during exposure with bactericidal concentrations of compounds, Mtb H37Rv strain was exposed to twice of the minimal inhibitory concentration of isoniazid, rifampicin, moxifloxacin, mefloquine or bedaquiline for 24h, 48h, 4 days, and 6 days, and the bacterial proteomic response was analyzed using the quantitative shotgun mass spectrometry...
April 17, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28409555/treatment-of-latent-tuberculosis-infection
#8
Connie A Haley
There are approximately 56 million people who harbor Mycobacterium tuberculosis that may progress to active tuberculosis (TB) at some point in their lives. Modeling studies suggest that if only 8% of these individuals with latent TB infection (LTBI) were treated annually, overall global incidence would be 14-fold lower by 2050 compared to incidence in 2013, even in the absence of additional TB control measures. This highlights the importance of identifying and treating latently infected individuals, and that this intervention must be scaled up to achieve the goals of the Global End TB Strategy...
April 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28400772/sphingolipids-are-dual-specific-drug-targets-for-the-management-of-pulmonary-infections-perspective
#9
REVIEW
Lalita Sharma, Hridayesh Prakash
Sphingolipids are the major constituent of the mucus secreted by the cells of epithelial linings of lungs where they maintain the barrier functions and prevent microbial invasion. Sphingolipids are interconvertible, and their primary and secondary metabolites have both structural and functional roles. Out of several sphingolipid metabolites, sphingosine-1 phosphate (S1P) and ceramide are central molecules and decisive for sphingolipid signaling. These are produced by enzymatic activity of sphingosine kinase-1 (SK-1) upon the challenge with either biological or physiological stresses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28399975/survey-of-health-care-worker-knowledge-about-childhood-tuberculosis-in-high-burden-centers-in-botswana
#10
T Arscott-Mills, L Masole, R Ncube, A P Steenhoff
BACKGROUND: Quantifying health care workers' (HCWs') knowledge about tuberculosis (TB) informs educational interventions. We assessed HCWs' knowledge about childhood TB in Botswana. METHODS: Semi-structured interviews were conducted with HCWs at 46 sites around Botswana using a piloted instrument. Transcripts were double-coded using a coding schema. Discrepancies were resolved by consensus and a systematic thematic analysis was performed. RESULTS: The sites (42 clinics and 4 hospitals) were urban (n = 9, 20%), semi-urban (n = 10, 22%) and rural (n = 27, 58%)...
May 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28399969/implementing-isoniazid-preventive-therapy-in-a-tuberculosis-treatment-experienced-cohort-on-art
#11
B Maharaj, T N Gengiah, N Yende-Zuma, S Gengiah, A Naidoo, K Naidoo
SETTING: Urban clinical research site in Durban, South Africa. OBJECTIVE: To describe outcomes associated with the implementation of isoniazid preventive therapy (IPT) in a cohort of tuberculosis (TB) treatment-experienced human immunodeficiency virus (HIV) infected patients on antiretroviral therapy (ART). DESIGN: We conducted a secondary analysis of data collected between October 2009 and October 2013 from patients enrolled in a prospective cohort study conducted in Durban, South Africa...
May 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/28399802/efficacy-and-completion-rates-of-rifapentine-and-isoniazid-3hp-compared-to-other-treatment-regimens-for-latent-tuberculosis-infection-a-systematic-review-with-network-meta-analyses
#12
Christopher Pease, Brian Hutton, Fatemeh Yazdi, Dianna Wolfe, Candyce Hamel, Pauline Quach, Becky Skidmore, David Moher, Gonzalo G Alvarez
BACKGROUND: We conducted a systematic review and network meta-analysis (NMA) to examine the efficacy and completion rates of treatments for latent tuberculosis infection (LTBI). While a previous review found newer, short-duration regimens to be effective, several included studies did not confirm LTBI, and analyses did not account for variable follow-up or assess completion. METHODS: We searched MEDLINE, Embase, CENTRAL, PubMed, and additional sources to identify RCTs in patients with confirmed LTBI that involved a regimen of interest and reported on efficacy or completion...
April 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28399423/bone-mineral-density-and-vitamin-d-concentration-the-challenges-in-taking-care-of-children-and-adolescents-infected-with-hiv
#13
Fabiana Bononi Carmo, Maria Teresa Terreri, Regina Célia de Menezes Succi, Suenia Vasconcelos Beltrão, Aida de Fátima Tomé Barbosa Gouvea, Erica Regina Cruz Paulino, Daisy Maria Machado
The increase in life expectancy for patients living with human immunodeficiency virus (HIV) infection has resulted in health complications related to a chronic disease. OBJECTIVES: To evaluate the prevalence of bone mineral density (BMD) alterations and vitamin D concentrations in HIV-infected children and adolescents and to verify the variations in those parameters during a 12-month interval. METHODS: A prospective cohort study with a dual period of evaluation was conducted in 57 patients perinatally HIV-infected and one patient with sexual abuse in early infancy...
April 8, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28398995/integrating-pmtct-into-maternal-newborn-and-child-health-and-related-services-experiences-from-the-global-plan-priority-countries
#14
Karusa Kiragu, Lynn Collins, Deborah Von Zinkernagel, Angela Mushavi
The urgency to scale-up sustainable programs for the prevention of mother-to-child transmission of HIV (PMTCT) prompted priority countries of the Global Plan Toward the Elimination of New HIV Infections Among Children by 2015 and Keeping Their Mothers Alive (Global Plan) to expand the delivery of PMTCT services through greater integration with sexual and reproductive health and child health services. Countries approached integration-what, where, and how services are provided-in diverse ways, with predominantly favorable results...
May 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28397531/drug-resistance-in-newly-presenting-and-previously-treated-tuberculosis-patients-in-guangxi-province-people-s-republic-of-china
#15
Dan Luo, Jinming Zhao, Mei Lin, Feiying Liu, Shuhai Huang, Yingkun Zhang, Minying Huang, Juan Li, Yang Zhou, Rushu Lan, Yanlin Zhao
Drug-resistant Mycobacterium tuberculosis strains are a major threat to the control of tuberculosis (TB), but the prevalence of drug-resistant TB is still unknown in the southern ethnic region of China. A cluster-randomized sampling method was used to include the study population. Isolates were tested for resistance to 6 antituberculosis drugs, and genotyped to identify Beijing strains. Overall, 11.3% (139/1229) of new cases and 33.0% (126/382) of retreated cases had drug-resistant tuberculosis. Multiple previous TB treatment episodes and multiple treatment interruptions were risk factors for both drug-resistant and multidrug-resistant TB among retreated cases...
April 1, 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28396742/single-centre-experience-of-granulomatous-interstitial-nephritis-time-for-a-new-approach
#16
Ben Oliveira, Satish Jayawardene, Sapna Shah
Background: Differentiating between renal-limited sarcoidosis and tuberculosis (TB) infection as a cause of granulomatous interstitial nephritis (GIN) can be difficult. This series compares clinical features and response to treatment between the different underlying aetiologies in order to propose a management algorithm for GIN to assist with diagnosis and treatment. Methods: This retrospective study reports on all patients presenting with a histological diagnosis of GIN between 2000 and 2012 at our unit. Results: Twenty-one patients were identified, 57% were male and the mean age was 53 years...
April 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28392698/assessment-of-isoniazid-preventive-therapy-in-the-reduction-of-tuberculosis-among-art-patients-in-arba-minch-hospital-ethiopia
#17
Ashenafi Abossie, Tsegaye Yohanes
BACKGROUND: Tuberculosis (TB) is the most frequent life-threatening opportunistic disease among people living with HIV and remains a leading cause of mortality, even among persons receiving antiretroviral therapy (ART). Isoniazid preventive therapy (IPT) and cotrimoxazole prophylaxis have been recommended for the benefit of HIV/AIDS-infected individuals to prevent opportunistic infections. The aim of this study was to assess IPT prophylaxis in the reduction of TB among ART patients. METHODS: The study was a hospital-based retrospective study...
2017: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/28387179/chemotherapy-of-tuberculosis
#18
Thomas E Dobbs, Risa M Webb
The management of tuberculosis (TB) can be a challenging process that has implications both for the affected patient and public health. Effective anti-TB chemotherapy both cures and renders the patient noncontagious. Biological factors specific to M. tuberculosis necessitate the use of multiple drugs for prolonged durations to adequately eradicate infection. Recommended regimens address the complexities of eliminating organisms from diverse reservoirs while preventing the emergence of drug resistance. First-line anti-TB therapy for drug susceptible disease effectively cures almost all patients within 6-9 months...
April 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28383411/patient-characteristics-and-perceived-health-status-of-individuals-with-hiv-and-tuberculosis-coinfection-in-guangxi-china
#19
Yujia Zhu, Jizhou Wu, Xue Feng, Huanhuan Chen, Huaxiang Lu, Li Chen, Liuhong Luo, Chao Rui
To explore demographics, clinical and medication profiles, patients' social support, and perceived health status in HIV/TB coinfected patients in Guangxi, China.We performed a cross-sectional study in the HIV clinic of the Guigang City People's Hospital (N = 150). Health professionals conducted face-to-face interviews and collected data from patients' electronic medical records regarding patients' demographic, clinical, and medication information, as well as their social support and perceived health status...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28375111/gender-and-occupation-wise-knowledge-awareness-and-prevention-of-tuberculosis-among-people-of-district-muzaffarabad-aj-k
#20
Atif Abbasi, Muhammad Rafique, Amir Saghir, Kamran Abbas, Shabnum Shaheen, Farooq Abdullah
To assess the awareness about the spread and control of tuberculosis as well as to investigate the gender and occupation wise differences among people regarding knowledge and attitude towards tuberculosis in the State of AJ & K. A cross-sectional descriptive study was conducted in district Muzaffarabad and a sample of 4000 respondents was selected by using stratified random sampling technique. The stratification was done with respect to gender and occupation. The occupation wise classification includes households, labors, and shop keepers, government employers, under graduate students of social and natural sciences, medical students and doctors...
November 2016: Pakistan Journal of Pharmaceutical Sciences
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