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https://www.readbyqxmd.com/read/28449494/clinical-outcomes-for-multi-and-extensively-drug-resistant-tuberculosis-patients-with-adjunctive-resectional-lung-surgery-in-beijing-china
#1
Yan Ma, Yu Pang, Jian Du, Yuhong Liu, Liang Li, Weiwei Gao
The objective of this study was to assess the performance of adjective resectional lung surgery for multidrug resistant (MDR-) and extensively drug resistant tuberculosis (XDR-TB) patients in Beijing, China. Between October 1992 and October 2012, 21 MDR/XDR patients undergoing pulmonary resection at Beijing Chest Hospital were enrolled in this study. The clinical outcomes of MDR- and XDR-TB patients were analyzed with a 3-year surgical follow-up. Out of 21 patients enrolled in this study, 20 patients (95.2%) had unilateral cavitary disease, and 1 patient (4...
March 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28448542/diminished-plasma-levels-of-common-%C3%AE-chain-cytokines-in-pulmonary-tuberculosis-and-reversal-following-treatment
#2
Nathella Pavan Kumar, Vaithilingam V Banurekha, Dina Nair, Subash Babu
BACKGROUND: The immune response to tuberculosis (TB) is T cell dependent. T cells are the major facilitators of protection and effector functions with CD4+ T cells being the most important players, followed by CD8+ T cells. The common γ-chain cytokines IL-2, IL-7, IL-15, and IL-21 play a vital role in peripheral T cell growth and survival. However, the role of common γ-chain cytokines in pulmonary TB (PTB) is poorly understood. AIM AND METHODS: To examine the association of circulating common γ-chain cytokines with TB disease or infection, we examined the systemic levels of IL-2, IL-7, IL-15, and IL-21 in individuals with PTB, latent TB (LTB) or no TB infection (NTB)...
2017: PloS One
https://www.readbyqxmd.com/read/28447869/mitigation-of-discordant-rifampicin-susceptibility-results-obtained-by-xpert-mycobacterium-tuberculosis-rifampicin-and-mycobacterium-growth-indicator-tube
#3
Elmira Gurbanova, Rafail Mehdiyev, Kai Blondal, Rasim Tahirli, Fuad Mirzayev, Doris Hillemann, Asker Ismayilov, Alan Altraja
BACKGROUND: Simultaneous use of genotypic and phenotypic diagnostic tools for detection of rifampicin (RIF) susceptibility may yield discrepant results. OBJECTIVE: To measure the discordance between the RIF-susceptibility results by Xpert MTB/RIF and Mycobacterium Growth Indicator Tube (MGIT), to evaluate if application of both tests to the same sample affects the discrepancy, and to evaluate treatment outcome in patients with the discordant strains. DESIGN: Sputa from patients with tuberculosis managed in the penitentiary system of Azerbaijan during 2011-2015 were examined for RIF susceptibility using Xpert MTB/RIF and MGIT...
April 27, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28446486/delayed-diagnosis-of-pulmonary-tuberculosis-in-a-13-year-old-malawian-boy
#4
Niall Johnston, Nichola Sandys
Childhood tuberculosis (TB) is a significant global health burden. There are more than 1 million new cases of childhood TB annually. Despite this, many national TB control programs largely focus on identification and treatment of smear positive adults. Early case detection is essential if childhood TB is to be controlled and eradicated.Delayed diagnosis of TB is associated with more advanced disease and worse treatment outcomes. Younger children who go undiagnosed for long periods are at risk of developing severe pulmonary and extrapulmonary disease, such as meningitis...
April 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28445109/distinct-prevalence-of-drug-resistant-tuberculosis-in-gansu-china-a-retrospective-study-on-drug-susceptibility-profiles-between-2010-and-2014
#5
XingFang Li, Lei Wang, Yanling Tan, Jun Hou, Jianjun Ma
Limited knowledge is available on regional distribution of antituberculosis (TB) drug resistance and on province-specific time-trends in TB drug susceptibility in China. To obtain the latest information about the dynamics of drug-resistant TB in Gansu province, we conducted a retrospective study and analyzed data on drug resistance among new TB cases diagnosed between June 2010 and May 2014 in Gansu, China. The data were collected from the only TB surveillance and treatment hospital in Gansu and, therefore, represented the epidemiology of TB in the province...
April 26, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28445012/drug-resistance-patterns-of-multidrug-and-extensively-drug-resistant-tuberculosis-in-korea-amplification-of-resistance-to-oral-second-line-drugs
#6
Chang Ki Kim, So Youn Shin, Hee Jin Kim, Kyungwon Lee
We aimed to analyze the drug resistance patterns of multidrug-resistant and extensively drug-resistant tuberculosis (TB) and the difference of drug resistance among various settings for health care in Korea. The data of drug susceptibility testing in 2009 was analyzed in order to secure sufficient number of patients from various settings in Korea. Patients were categorized by types of institutions into four groups, which comprised new and previously treated patients from public health care centers (PHC), the private sector, and Double-barred Cross clinics (DBC)...
July 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/28444009/-antituberculosis-drug-resistance-in-the-border-of-brazil-with-paraguay-and-bolivia
#7
Marli Marques, Eunice Atsuko Totumi Cunha, Maria do Socorro Nantua Evangelista, Paulo Cesar Basta, Ana Maria Campos Marques, Julio Croda, Sonia Maria Oliveira de Andrade
Objective: To estimate the rate of drug resistance among pulmonary tuberculosis (PTB) cases in the state of Mato Grosso do Sul, Brazil, and specifically in the border areas with Paraguay and Bolivia, as well as to identify associated risk factors. Method: The present cross-sectional, epidemiological study focused on PTB cases recorded between January 2007 and December 2010 in the State Reportable Disease Information System with results of susceptibility tests to rifampicin, isoniazid, ethambutol, and streptomycin...
April 20, 2017: Revista Panamericana de Salud Pública, Pan American Journal of Public Health
https://www.readbyqxmd.com/read/28443591/clinical-findings-of-pediatric-hiv-infection-at-a-tertiary-center-in-turkey
#8
Murat Sütçü, Manolya Acar, Hacer Aktürk, Selda Hançerli Torun, Hayati Beka, Ali Ağaçfidan, Nuran Salman, Ayper Somer
BACKGROUND: Pediatric HIV infection is different from adult type of disease in many ways including transmission routes, clinical findings and treatment strategies. AIMS: Our aim was to evaluate clinical data of our pediatric HIV patients. STUDY DESIGN: Retrospective cross-sectional study. METHODS: The charts of 22 pediatric patients diagnosed with HIV infection in our clinic during a 14 year period through 2001-2015 were retrospectively analyzed...
April 6, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/28443511/current-approaches-and-future-prospects-of-nanomedicines-in-tuberculosis-therapy
#9
Md Tanwir Athar, Zabih Ullah
Tuberculosis (TB), which is caused by the Mycobacterium tuberculosis, is a serious threat and one of the major health problems worldwide. In recent years, an estimated of 9.6 million TB cases occurred and 1.5 million death occurred due to TB worldwide. The present review is an attempt to introduce this disease focusing on the pathophysiology of the disease, the current approachesand the related patents for treatment and the future planningfor combating this disease.
April 25, 2017: Recent Patents on Anti-infective Drug Discovery
https://www.readbyqxmd.com/read/28443318/peritoneal-tuberculosis-in-the-setting-of-ustekinumab-treatment-for-psoriasis
#10
Maeve Lynch, Lisa Roche, Mary Horgan, Kashif Ahmad, Caitriona Hackett, Bart Ramsay
No abstract text is available yet for this article.
May 2017: JAAD Case Reports
https://www.readbyqxmd.com/read/28441064/bacillus-calmette-guerin-alleviates-airway-inflammation-and-remodeling-by-preventing-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition
#11
Xinrui Tian, Xinli Tian, Rujie Huo, Qin Chang, Guoping Zheng, Yan Du, Yan Chen, Bo Niu
Bacillus Calmette-Guerin (BCG) is a potent agent for the prevention of tuberculosis. Current studies have regarded BCG as an immunomodulator. However, there is little information on whether it can be used to inhibit airway inflammation and airway remodeling caused by asthma. Therefore, in this study, we investigate the role of epithelial-mesenchymal transition (EMT) in airway inflammation and airway remodeling as well as the possible therapeutic mechanism of BCG for the treatment of asthma. Wistar rats were sensitized and challenged by ovalbumin for 2 weeks or 8 weeks...
April 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28440604/a-proposed-novel-framework-for-monitoring-and-evaluation-of-the-cascade-of-hiv-associated-tb-care-at-the-health-facility-level
#12
Colleen F Hanrahan, Annelies Van Rie
INTRODUCTION: The rapid and accurate diagnosis of HIV-associated tuberculosis (TB), timely initiation of curative or preventative treatment and assurance of favourable treatment outcomes is a complex process. The current system of monitoring and reporting TB diagnosis and treatment does not include several key aspects of the care cascade, and may obscure systematic bottlenecks, inefficiencies or sources of sub-optimal care. METHODS: We critically reviewed the current World Health Organizations recommended system of monitoring and reporting, and identified the following key deficiencies that could limit the ability of healthcare workers to identify structural problems in the provision of TB/HIV care...
April 20, 2017: Journal of the International AIDS Society
https://www.readbyqxmd.com/read/28439956/biologic-treatments-for-elderly-patients-with-psoriasis
#13
Mami Momose, Akihiko Asahina, Mitsuha Hayashi, Koichi Yanaba, Yoshinori Umezawa, Hidemi Nakagawa
The number of elderly patients with psoriasis is increasing in Japan. However, biologic treatment is generally considered to be challenging in elderly patients, due to their increased risk of complications compared with younger patients. Our retrospective study aimed to evaluate the safety profile and efficacy of biologics in senior elderly patients (≥75 years old) with psoriasis. The study involved a cohort of 27 patients aged 75-88 years who were being treated with biologics over a period of more than 1 year...
April 25, 2017: Journal of Dermatology
https://www.readbyqxmd.com/read/28439203/cystic-tuberculosis-osteomyelitis-of-the-distal-tibia-in-infancy
#14
Seyit Ali Gümüştaş, Talat Çağırmaz, Mehmet Müfit Orak, Gökhan Pehlivanoğlu, Sedat Öktem
One-third of tuberculosis cases affect the musculoskeletal system. Solitary bone tuberculosis is a rare condition in infancy, has non-specific findings, and can be misdiagnosed easily. Cystic form tuberculosis may mimic many other pathologic conditions. In our case report, we present tuberculosis osteomyelitis of the distal tibia in a baby aged ten months who visited our outpatient department with swelling and pain in their left ankle. Curettage and debridement was performed twice for the lesion. An under-knee splint was applied for 3 months and anti-tuberculosis treatment was given for 12 months...
March 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28438933/pyrazinoic-acid-inhibits-a-bifunctional-enzyme-in-mycobacterium-tuberculosis
#15
Moses Njire, Na Wang, Bangxing Wang, Yaoju Tan, Xingshan Cai, Yanwen Liu, Julius Mugweru, Jintao Guo, H M Adnan Hameed, Shouyong Tan, Jianxiong Liu, Wing Wai Yew, Eric Nuermberger, Gyanu Lamichhane, Jinsong Liu, Tianyu Zhang
Pyrazinamide (PZA), an indispensable component of modern tuberculosis treatment, acts as a key sterilizing drug. While the mechanism of activation of this prodrug by Mycobacterium tuberculosis into pyrazinoic acid (POA) has been extensively studied, not all molecular determinants that confer resistance to this mysterious drug have been identified. Here, we report a new PZA resistance determinant: Asp67Asn substitution in Rv2783 confers M. tuberculosis resistance to PZA. Expression of the mutant but not the wild-type allele in M...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28438925/identification-of-mycobacterial-genes-involved-in-antibiotic-sensitivity-implications-in-the-treatment-of-tuberculosis-with-%C3%AE-lactam-containing-regimens
#16
Gopinath Viswanathan, Sangya Yadav, Tirumalai R Raghunand
In a Mycobacterium smegmatis mutant library screen, transposon mutants with insertions in fhaA, dprE2, rpsT and parA, displayed hypersusceptibility to antibiotics including the β-lactams meropenem, ampicillin, amoxicillin and cefotaxime. Sub MIC levels of octoclothepin, a psychotic drug inhibiting ParA, phenocopied the parA insertion and enhanced the bactericidal activity of meropenem against Mycobacteriumtuberculosis in combination with clavulanate. Our study identifies novel factors associated with antibiotic resistance, with implications in repurposing β-lactams for tuberculosis treatment...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28438924/analysis-of-the-effects-on-the-qt-interval-of-a-gatifloxacin-containing-regimen-versus-standard-treatment-of-pulmonary-tuberculosis
#17
Piero L Olliaro, Corinne Merle, Thuli Mthiyane, Boubacar Bah, Ferdinand Kassa, Evans Amukoye, Alimatou N' Diaye, Christian Perronne, Christian Lienhardt, Helen Mcilleron, Katherine Fielding
Background: The effects on ventricular repolarisation - recorded on the ECG as lengthening of the QT interval - of acute tuberculosis and those of standard and alternative anti-tuberculosis regimens are under-documented. A correction factor (QTc) is introduced to make the QT independent of the heart rate, translating into the slope of the regression line between QT and heart rate being close to zero.Methods: ECGs were performed pre- and 1-5 hours post-dosing (month 1, 2, end of treatment) around drugs' peak concentration time in tuberculosis patients treated with either the standard 6-month treatment (rifampicin and isoniazid for 6 months, pyrazinamide and ethambutol for 2 months; "control") or a test regimen with gatifloxacin, rifampicin and isoniazid given for 4 months (pyrazinamide for the first 2 months) as part of the OFLOTUB study, a randomized controlled trial conducted in five African countries...
April 24, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28438256/clinical-profile-and-outcome-of-patients-with-biopsy-proven-acute-interstitial-nephritis-in-cape-town-a-10-year-review%C3%A2
#18
Emmanuel E Effa, Udeme E Ekrikpo, Megan Borkum, Brian L Rayner, Peter Heering, Ikechi G Okpechi
BACKGROUND: Acute interstitial nephritis (AIN) is a common cause of acute kidney injury that has not been adequately characterized in Sub-Saharan Africa (SSA) despite an increasing use of potentially inciting agents for the treatment of human immunodeficiency virus (HIV) and tuberculosis in the region. METHODS: A retrospective audit of records of patients with biopsy-proven AIN diagnosed at Groote Schuur Hospital, Cape Town from the 1st of January, 2006, to the 31st of December, 2015...
April 25, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28438221/isolated-splenic-tuberculosis-with-subsequent-paradoxical-deterioration-a-case-report
#19
Frederick Wangai, Loice Achieng, George Otieno, Jacqueline Njoroge, Tabitha Wambaire, Jamilla Rajab
BACKGROUND: Isolated tuberculosis of the spleen has been described occasionally in literature, mostly in immunosuppressed individuals with various risk factors. Sequestration in the spleen makes such Mycobacterium tuberculosis infection difficult to diagnose. This report describes an extremely rare case of isolated splenic tuberculosis in an immunocompetent individual. CASE PRESENTATION: A 26 year old Kenyan male presented with pyrexia of unknown origin, with negative screening tests for bacterial, fungal and parasitic infections...
April 24, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28438132/early-detection-of-multidrug-and-pre-extensively-drug-resistant-tuberculosis-from-smear-positive-sputum-by-direct-sequencing
#20
Jun Chen, Peng Peng, Yixiang Du, Yi Ren, Lifeng Chen, Youyi Rao, Weihua Wang
BACKGROUND: Emergence of multidrug- and extensively drug-resistant tuberculosis (M/XDR-TB) is a major hurdle for TB control programs especially in developing countries like China. Resistance to fluoroquinolones is high among MDR-TB patients. Early diagnosis of MDR/pre-XDR-TB is essential for lowering transmission of drug-resistant TB and adjusting the treatment regimen. METHODS: Smear-positive sputum specimens (n = 186) were collected from Wuhan Institute for Tuberculosis Control...
April 24, 2017: BMC Infectious Diseases
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