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https://www.readbyqxmd.com/read/28729474/trilateral-overlap-of-tuberculosis-diabetes-and-hiv-1-in-a-high-burden-african-setting-implications-for-tb-control
#1
Tolu Oni, Natacha Berkowitz, Mmamapudi Kubjane, Rene Goliath, Naomi S Levitt, Robert J Wilkinson
The diabetes mellitus burden is growing in countries where tuberculosis (TB) and HIV-1 remain major challenges, threatening TB control efforts. This study determined the association between TB and diabetes/impaired glucose regulation in the context of HIV-1.A cross-sectional study was conducted at a TB clinic in Cape Town (South Africa). Participants were screened for diabetes and impaired glucose regulation using fasting plasma glucose, oral glucose tolerance test and glycated haemoglobin (HbA1c).414 TB and 438 non-TB participants were enrolled...
July 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28727491/impact-of-point-of-care-xpert-mtb-rif-on-tuberculosis-treatment-initiation-a-cluster-randomised-trial
#2
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/28725584/magnetic-resonance-imaging-detection-of-prostate-cancer-in-men-with-previous-negative-prostate-biopsy
#3
REVIEW
Matthew Truong, Thomas P Frye
Use of transrectal ultrasound guided systematic prostate biopsy has poor diagnostic accuracy for prostate cancer (PCa) detection. Recently multiparametric MRI (mpMRI) of the prostate and MR/US fusion biopsy has been gaining popularity for men who have previously undergone a negative biopsy. We performed PubMed(®) and Web of Science(®) searches to identify studies on this subject, particularly focusing on studies consisting of patients who have had at least one previously negative biopsy. Across the literature, when a suspicious lesion is found on mpMRI, MR/US fusion biopsy has consistently demonstrated higher detection rate for any PCa and clinically significant PCa (csPCa) compared to the traditional repeat systematic biopsy (SB) approach...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28724962/novel-transcriptional-signatures-for-sputum-independent-diagnostics-of-tuberculosis-in-children
#4
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/28723785/asymptomatic-congenital-tuberculosis-a-case-report
#5
Patrick M Meyer Sauteur, Ewerton Marques-Maggio, Christa Relly, Peter M Keller, Christian F Clarenbach, Christoph Berger
RATIONALE: Congenital tuberculosis (TB) is described as a rare, but severe disease. In contrast to the cases with severe symptoms reported so far, we describe a child with asymptomatic congenital TB. PATIENT CONCERNS: An 8-week-old girl was investigated because of newly diagnosed TB in her mother, which complained about cough since 21 weeks gestation. Lung biopsy tissue specimens of the mother revealed necrotizing granuloma with a single acid-fast bacillus (AFB) and Mycobacterium tuberculosis (MTB) was detected by polymerase chain reaction...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28716809/determining-clinical-decision-thresholds-for-hiv-positive-patients-suspected-of-having-tuberculosis
#6
Tom Boyles, Isabella Locatelli, Nicolas Senn, Mark Ebell
Clinical decision thresholds may aid the evaluation of diagnostic tests but have rarely been determined for tuberculosis (TB). We presented clinicians with six web-based clinical scenarios, describing patients with HIV and possible TB at various sites and with a range of clinical stability. The probability of disease was varied randomly and clinicians asked to make treatment decisions; threshold curves and therapeutic thresholds were calculated. Test and treatment thresholds were calculated using Bayes theorem and the diagnostic accuracy of Xpert MTB/RIF...
July 17, 2017: Evidence-based Medicine
https://www.readbyqxmd.com/read/28716677/incidence-of-active-tuberculosis-in-individuals-with-latent-tuberculosis-infection-in-rural-china-follow-up-results-of-a-population-based-multicentre-prospective-cohort-study
#7
Lei Gao, Xiangwei Li, Jianmin Liu, Xinhua Wang, Wei Lu, Liqiong Bai, Henan Xin, Haoran Zhang, Hengjing Li, Zongde Zhang, Yu Ma, Mufei Li, Boxuan Feng, Jiang Du, Hongtao Sui, Rong Zhao, Haoxiang Su, Shouguo Pan, Ling Guan, Fei Shen, Jian He, Shumin Yang, Hongyan Si, Xu Cheng, Zuhui Xu, Yunhong Tan, Tianzhu Chen, Weiguo Xu, Hong Peng, Zhijian Wang, Tao Zhu, Xiaoyou Chen, Xinhua Zhou, Xueling Guan, Qi Jin
BACKGROUND: The management of latent Mycobacterium tuberculosis infection is a new priority action for the WHO End Tuberculosis (TB) Strategy. However, national guidelines on latent tuberculosis infection testing and treatment have not yet been developed in China. Here, we present the results from the 2-year follow-up of a study that aimed to track the development of active disease in individuals with latent tuberculosis infection, identify priority populations for latent infection management, and explore the most suitable latent infection diagnostic approach...
July 14, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28713838/role-of-interferons-in-the-development-of-diagnostics-vaccines-and-therapy-for-tuberculosis
#8
REVIEW
Kai Ling Chin, Fadhilah Zulkipli Anis, Maria E Sarmiento, Mohd Nor Norazmi, Armando Acosta
Tuberculosis (TB) is an airborne infection caused by Mycobacterium tuberculosis (Mtb). About one-third of the world's population is latently infected with TB and 5-15% of them will develop active TB in their lifetime. It is estimated that each case of active TB may cause 10-20 new infections. Host immune response to Mtb is influenced by interferon- (IFN-) signaling pathways, particularly by type I and type II interferons (IFNs). The latter that consists of IFN-γ has been associated with the promotion of Th1 immune response which is associated with protection against TB...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28709488/endobronchial-ultrasound-experience-in-a-high-tuberculosis-prevalence-setting
#9
Balamugesh Thangakunam, Barney Thomas Jesudason Isaac, Devasahayam Jesudas Christopher
BACKGROUND: Most of the published endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) data are from the western countries, establishing the role of EBUS-TBNA in the diagnosis and staging of lung cancer. The etiology of mediastinal lymphadenopathy may be different in an ethnic group with a high prevalence of tuberculosis (TB). OBJECTIVE: To assess the etiology of mediastinal adenopathy in a high TB prevalence setting and to determine the performance of various tests in the diagnosis of tuberculous mediastinal lymphadenitis...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28709486/diagnosis-of-tuberculous-meningitis-current-scenario-from-a-tertiary-neurocare-centre-in-india
#10
Jyothi Embekkat Kaviyil, Raju Ravikumar
BACKGROUND: Tuberculous meningitis (TBM) is a condition that is caused by Mycobacterium tuberculosis complex and is difficult to diagnose due to the nonspecificity of the presentations. The study analyzed the different modes of diagnosis available in a developing country set up over a period of five years to understand the diagnostic values of the current conventional and automated methods of diagnosis of TBM among the patients suspected with chronic meningitis. METHODS: A total of 10,281 cerebrospinal fluid samples (CSF) were collected from suspected chronic meningitis patients, of which 790 samples were from individuals who had clinically suspected TBM...
July 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28708844/diagnostic-accuracy-of-xpert-mtb-rif-for-tuberculosis-detection-in-different-regions-with-different-endemic-burden-a-systematic-review-and-meta-analysis
#11
Shiying Li, Bin Liu, Mingli Peng, Min Chen, Wenwei Yin, Hui Tang, Yuxuan Luo, Peng Hu, Hong Ren
PURPOSE: To estimate the diagnostic accuracy of Xpert MTB/RIF, a systematic review and meta-analysis were carried out. METHODS: Up to June 20, 2015, multiple databases were screened for relevant studies. RESULTS: Accordingly, 106 studies included 52,410 samples were selected. Diagnostic accuracy of Xpert MTB/RIF for TB detection was validated against either culture or a composite reference standard (CRS). Additionally, selected studies were further subgrouped in four groups based on sample's type, subject's age, status of HIV co-infection and smear-positivity...
2017: PloS One
https://www.readbyqxmd.com/read/28705265/comparison-of-histological-microbiological-and-molecular-methods-in-diagnosis-of-patients-with-tbln-having-different-anti-tb-treatment-background
#12
Nan Ying Che, Shao Jun Huang, Yan Ma, Yi Han, Zi Chen Liu, Chen Zhang, Jing Mu, Dan Zhao, Yang Qu, Hai Qing Zhang, Zhi Dong Liu, Shao Fa Xu
OBJECTIVE: The influence of anti-tuberculosis (TB) treatment history on tuberculous lymphadenitis (TBLN) diagnosis is unclear. Therefore, this study aims to evaluate the diagnostic methods, including histology, microbiology, and molecular tests, used for TBLN. METHODS: In this study, suspected patients with TBLN and having different anti-TB treatment background were enrolled. All the samples were tested simultaneously by histology, Ziehl-Neelsen (ZN) staining, mycobacterial culture (culture), Xpert MTB/RIF (xpert), real-time PCR, and high-resolution melting curve PCR (HRM)...
June 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28705215/feasibility-of-district-wide-screening-of-health-care-workers-for-tuberculosis-in-zambia
#13
Suzanne Verver, Nathan Kapata, Mathildah Kakungu Simpungwe, Seraphine Kaminsa, Mavis Mwale, Chitambeya Mukwangole, Bernard Sichinga, Sevim Ahmedov, Max Meis
BACKGROUND: Many health care workers (HCWs) are at increased risk for tuberculosis (TB). The World Health Organization (WHO) recommends screening HCWs for TB in high burden settings but this is often not implemented in countries with a high TB incidence. We assessed the feasibility of TB screening among HCWs, including participation rate and yield, as part of a project introducing facility specific TB interventions. METHODS: This study had a cross-sectional design...
July 14, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28701832/tuberculous-mastitis-diagnosed-on-cytology-case-report-of-a-rare-entity
#14
Riti Tushar Kanti Sinha, Aniruna Dey, Seema Agarwal
Tuberculous mastititis is a rare clinical entity and usually affects women from the Indian subcontinent. It often mimics breast carcinoma and pyogenic breast abscess. Fine needle aspiration cytology (FNAC) is a very essential diagnostic tool when other routine laboratory investigations are not helpful in reaching to the conclusion. Tuberculosis (TB) of the breast is an uncommon presentation of TB even in countries where the incidence of pulmonary and extrapulmonary TB is high. Radiological imaging is not diagnostic...
July 2017: Journal of Cytology
https://www.readbyqxmd.com/read/28700064/clinical-and-epidemiological-aspects-of-cases-of-tuberculosis-associated-with-diabetes-in-salvador-bahia-brazil
#15
Sâmia Barreto Leal, Gleide Santos de Araújo, Joilda Silva Nery, Carlos Antonio de Souza Teles Santos, Maeli Gomes de Oliveira, Mauricio Lima Barreto, Susan Martins Pereira
INTRODUCTION: This study compares the clinical and epidemiological features of patients with TB, with and without DM. METHODS: New cases of active pulmonary TB that occurred in Salvador, Bahia, Brazil between 2008 and 2010 were included. DM was diagnosed by based on diagnostic criteria established by the American Diabetes Association. RESULT: S: Of the 323 cases of TB, 44 (13.6%) were diabetic . Patients with TB and DM were older (44.7%), with a high level of education (34...
May 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28698665/antigens-rv0310c-and-rv1255c-are-promising-novel-biomarkers-for-the-diagnosis-of-mycobacterium-tuberculosis-infection
#16
Liulin Luo, Lin Zhu, Jun Yue, Jianping Liu, Guoyuan Liu, Xuelian Zhang, Honghai Wang, Ying Xu
This study aimed to identify novel immunogenic epitopes from Mycobacterium tuberculosis (MTB) that could be used in tuberculosis (TB) diagnostics. To determine the diagnostic potential of mycobacterial antigens in serodiagnosis of TB, 256 patients were enrolled in a study and divided into two groups: 126 smear-positive pulmonary TB patients (SPPT) and 130 smear-negative pulmonary TB patients (SNPT); 152 bacillus Calmette-Guerin (BCG)-vaccinated healthy people were used as a control. Murine results showed that antigens Rv0310c-E from RD 8 and Rv1255c-E from RD 10 were strongly immunogenic to Th1 cells and induced a great humoral response...
July 12, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28697621/undiagnosed-tuberculosis-in-patients-with-hiv-infection-who-present-with-severe-anaemia-at-a-district-hospital
#17
Mbulelo Mntonintshi, Don O'Mahony, Sikhumbuzo Mabunda, Kakia A F Namugenyi
BACKGROUND: Tuberculosis (TB) is a major cause of severe anaemia in patients with human immunodeficiency virus (HIV) infection in South Africa. However, TB can be difficult to diagnose as it may be extra pulmonary and paucibacillary. AIM: The aim of this study was to investigate undiagnosed TB in patients with HIV infection and severe anaemia and to identify the optimal investigations for diagnosing TB. SETTING: Mthatha General Hospital, a district hospital...
June 30, 2017: African Journal of Primary Health Care & Family Medicine
https://www.readbyqxmd.com/read/28695803/bioinformatic-analysis-of-differentially-expressed-genes-in-peripheral-blood-of-human-immunodeficiency-virus-tubercle-bacilli-co-infected-patients
#18
Rongqiang Zhang, Qiling Liu, Na Sun, Wulin Kang, Puwei Yuan
Objective To analyze the differentially expressed genes in peripheral blood of human immunodeficiency(HIV)/tubercle bacilli co-infected patients and explore the biological regulatory mechanism and network of key proteins,so as to provide new evidence for early diagnosis and clinical treatment of HIV/TB co-infected patients. Methods Microarray gene chip data of HIV/TB co-infected patients were downloaded from public databases GEO and imported into the analysis software GEO,STRING,PANTHER,and GenClip. The gene expression profiles,protein interaction networks,processes of molecular biology,and gene functions were analyzed...
June 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28694808/mycobacterium-tuberculosis-dosr-regulon-gene-rv2004c-encodes-a-novel-antigen-with-pro-inflammatory-functions-and-potential-diagnostic-application-for-detection-of-latent-tuberculosis
#19
Sankara Narayana Doddam, Vidyullatha Peddireddy, Niyaz Ahmed
Approximately 1.7 billion people in the world harbor latent Mycobacterium tuberculosis (Mtb) with a substantial risk of progression to clinical outcome. Containment of these seed beds of Mtb is essential to eliminate tuberculosis completely in high burden settings such as India. Hence, there is an urgent need for the identification of new serological markers for detection or vaccine candidates to prevent latent tuberculosis infection (LTBI). DosR regulon antigens of Mtb might serve as attractive targets for LTBI diagnosis or vaccine development as they are specifically expressed and are upregulated during latent phase...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28694201/use-of-quantiferon-tb-gold-in-tube-assay-in-screening-for-neutralizing-anti-interferon-gamma-autoantibodies-in-patients-with-disseminated-nontuberculous-mycobacterial-infection
#20
Un-In Wu, Yu-Chung Chuang, Wang-Huei Sheng, Hsin-Yun Sun, Yi-Ting Jhong, Jann-Yuan Wang, Shan-Chwen Chang, Jann-Tay Wang, Yee-Chun Chen
OBJECTIVE: Anti-interferon-gamma (IFN-γ) autoantibodies (anti-IFN-γ Abs) have been increasingly recognized as an important cause of disseminated nontuberculous mycobacterial (DNTM) infection, and identification of this immunodeficiency impacts clinical management. However, the protean disease manifestations and inaccessibility to diagnostic tests in clinical settings hamper its early diagnosis. Here, we sought to determine whether QuantiFERON-TB Gold In-tube (QFT-GIT), a commercialized IFN-γ release assay, could be used to screen for neutralizing anti-IFN-γ Abs among previously healthy adults with DNTM infection...
July 7, 2017: Clinical Microbiology and Infection
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