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Tuberculosis review

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https://www.readbyqxmd.com/read/29334314/on-the-intrinsic-constraint-of-bacterial-growth-rate-m-tuberculosis-s-view-of-the-protein-translation-capacity
#1
Manlu Zhu, Xiongfeng Dai
In nature, the maximal growth rates vary widely among different bacteria species. Fast-growing bacteria species such as Escherichia coli can have a shortest generation time of 20 min. Slow-growing bacteria species are perhaps best known for Mycobacterium tuberculosis, a human pathogen with a generation time being no less than 16 h. Despite of the significant progress made on understanding the pathogenesis of M. tuberculosis, we know little on the origin of its intriguingly slow growth. From a global view, the intrinsic constraint of the maximal growth rate of bacteria remains to be a fundamental question in microbiology...
January 15, 2018: Critical Reviews in Microbiology
https://www.readbyqxmd.com/read/29332655/research-on-tuberculosis-in-tribal-areas-in-india-a-systematic-review
#2
REVIEW
V G Rao, M Muniyandi, J Bhat, R Yadav, R Sharma
BACKGROUND: Tuberculosis (TB) remains a major public health problem in resource-poor countries including India. Scientific knowledge is used to guide policy and practice. There is however, a limited, systematically collected data required for guiding the scale-up of interventions particularly amongst vulnerable populations including tribal groups in the country. In view of this, a systematic review of the TB research studies carried out in tribal areas of different parts of the country was undertaken...
January 2018: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/29326332/the-impact-of-digital-health-technologies-on-tuberculosis-treatment-a-systematic-review
#3
Brian Kermu Ngwatu, Ntwali Placide Nsengiyumva, Olivia Oxlade, Benjamin Mappin-Kasirer, Nhat Linh Nguyen, Ernesto Jaramillo, Dennis Falzon, Kevin Schwartzman
Digital technologies are increasingly harnessed to support treatment of persons with tuberculosis (TB). Since in-person directly observed treatment (DOT) can be resource intensive and challenging to implement, these technologies may have the potential to improve adherence and clinical outcomes. We reviewed the effect of these technologies on TB treatment adherence and patient outcomes.We searched several bibliographical databases for studies reporting the effect of digital interventions, including short message service (SMS), video-observed therapy (VOT) and medication monitors (MMs), to support treatment for active TB...
January 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29323108/clinical-study-of-tuberculosis-in-the-head-and-neck-region-11-years-experience-and-a-review-of-the-literature
#4
Pai Pang, Weiyi Duan, Shuchun Liu, Shuang Bai, Yanan Ma, Ruiwu Li, Fayu Liu, Changfu Sun
Tuberculosis (TB) is an infectious disease and major health concern. Head and neck tuberculosis (HNTB) is relatively rare, but can arise in many regions, including the lymph nodes, larynx, oral cavity and pharynx. We retrospectively reviewed the clinical records of 60 patients diagnosed with HNTB in our department between March 2005 and January 2016. A review and summary of previous HNTB articles published in PubMed since 1885 was also performed. The subjects consisted of 17 males and 43 females, and the average age of patients was 45 ± 14...
January 10, 2018: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/29322063/neurological-sequelae-of-adult-meningitis-in-africa-a-systematic-literature-review
#5
REVIEW
Drew W Goldberg, Mark W Tenforde, Hannah K Mitchell, Joseph N Jarvis
The high human immunodeficiency virus (HIV) prevalence in sub-Saharan Africa has markedly changed the epidemiology and presentation of adult meningitis. We conducted a systematic review using PubMed, Embase, Ovid, CENTRAL, and African Index Medicus to identify studies in Africa with data on neurological outcomes in adults after meningitis. We found 22 articles meeting inclusion criteria. From 4 studies with predominately pneumococcal meningitis, a median of 19% of survivors experienced hearing loss up to 40 days...
January 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29321414/the-platelet-count-can-predict-in-hospital-death-in-hiv-negative-smear-positive-pulmonary-tuberculosis-inpatients
#6
Hideto Goto, Nobuyuki Horita, Ken Tashiro, Kenjiro Nagai, Masaki Yamamoto, Takashi Sato, Yu Hara, Hideyuki Nagakura, Yuji Shibata, Hiroki Watanabe, Kentaro Nakashima, Ryota Ushio, Akimichi Nagashima, Misako Ikeda, Atsuya Narita, Katsuhito Sasaki, Nobuaki Kobayashi, Makoto Kudo, Takeshi Kaneko
Introduction This retrospective cohort study investigated whether the three components of the blood cell count have prognostic implications in HIV-negative Japanese adult inpatients with smear-positive pulmonary tuberculosis. Methods We reviewed patients who were treated by the isoniazid, rifampicin, pyrazinamide, and ethambutol regimen or by the isoniazid, rifampicin, and ethambutol regimen. The association between the patient data on admission and the survival outcome was evaluated. Results We reviewed 367 consecutive patients (male, 60...
January 11, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29319347/sigma-factors-mediated-signaling-in-mycobacterium-tuberculosis
#7
Peifu Zhou, Xinpeng Wang, Yuzhong Zhao, Wei Yuan, Jianping Xie
Activation of signaling cascades is critical for Mycobacterium tuberculosis (Mtb) to adapt the macrophage lifestyle. Parallel to several signal systems, sigma factor systems, especially the extra-cytoplasmic function sigma factors, are crucial for Mtb signaling. Most sigma factors lack a signal sensory domain and often are activated by various proteins that perceive the environmental cues and relay the signals through variegated post-translational modifications via the activity of antisigma factor, protein kinase and related transcriptional regulators...
January 10, 2018: Future Microbiology
https://www.readbyqxmd.com/read/29319264/rasmussen-aneurysm
#8
A K Singh, Varun Gupta, Bindu Rani, Manish Kumar, Saurabh Kaushik
Angiographic findings in tuberculosis patients presenting with hemoptysis include hypervascularity, hypertrophy of systemic arteries, aneurysm, systemic to pulmonary anastomosis, and rarely, contrast extravasation. Bronchial arteries are the source of hemorrhage in majority of cases with non-bronchial systemic or pulmonary arteries being less common as the source. Rasmussen's Aneurysm is a very rare sequalae of Pulmonary Tuberculosis. We present one such case of Rasmussen's aneurysm and review of the relevant literature...
October 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29319033/primary-cavitary-sarcoidosis-a-case-report-systematic-review-and-proposal-of-new-diagnostic-criteria
#9
REVIEW
Ajay Handa, Sahajal Dhooria, Inderpaul Singh Sehgal, Ritesh Agarwal
Primary cavitary sarcoidosis (PCS) is a rare form of pulmonary sarcoidosis. In this report, we present a case of a 47-year-old male patient with PCS who was initially treated as pulmonary tuberculosis. We also systematically review the literature on PCS and propose a new classification for this entity.
January 2018: Lung India: Official Organ of Indian Chest Society
https://www.readbyqxmd.com/read/29318438/presumed-tuberculous-uveitis-in-a-university-based-tertiary-referral-center-in-saudi-arabia
#10
Awad Al-Qarni, Marwan A Abouammoh, Abdullah N Almousa, Ahmed Mousa, Ahmed M Abu El-Asrar
PURPOSE: To describe clinical characteristics and outcomes of treatment in patients with presumed tuberculous uveitis (PTU). METHODS: All patients diagnosed with PTU between January 1996 and March 2013 were reviewed. The diagnosis was made when clinical findings were consistent with possible intraocular tuberculosis, strongly positive purified protein derivative (PPD) skin test result, and response to anti-tuberculous therapy with no other cause of uveitis as suggested by history, symptoms, or ancillary testing...
January 9, 2018: International Ophthalmology
https://www.readbyqxmd.com/read/29317823/european-perspective-on-the-management-of-rheumatoid-arthritis-clinical-utility-of-tofacitinib
#11
REVIEW
Paweł Kawalec, Katarzyna Śladowska, Iwona Malinowska-Lipień, Tomasz Brzostek, Maria Kózka
Xeljanz® (tofacitinib) is an oral small-molecule inhibitor that reversibly inhibits Janus-activated kinase (JAK)-dependent cytokine signaling, thus reducing inflammation. As a result of these mechanisms, effects on the immune system such as a moderate decrease in the total lymphocyte count, a dose-dependent decrease in natural killer (NK) cell count, and an increase in B-cell count have been observed. Therefore, tofacitinib provides an innovative approach to modulating the immune and inflammatory responses in patients with rheumatoid arthritis (RA), which is especially important in individuals who do not respond to tumor necrosis factor inhibitors or show a loss of response over time...
2018: Therapeutics and Clinical Risk Management
https://www.readbyqxmd.com/read/29316546/tuberculosis-associated-chylothorax-case-report-and-systematic-review-of-the-literature
#12
Srinivas Rajagopala, Roopa Kancherla, Ramanathan Palaniappan Ramanathan
Tuberculosis (TB) is a rare cause of chylothorax. We describe a case and the results of a systematic review of all reported cases of TB-chylothorax. We identified 37 cases of TB-chylothorax. The symptoms at presentation were constitutional (85.7%; 30/35), dyspnea (60.6%; 20/33), and cough (54.5%; 18/33). Chylothorax developed subsequent to the diagnosis of TB in 27.8% (10/36) of the patients, after a median of 6.75 weeks (IQR 4-9). Chylothorax developed during an immune reconstitution syndrome (IRS) in 16.7% (10/36) of the patients, including immunocompetent ones...
January 9, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29316047/parainfluenza-virus-5-vectored-vaccines-against-human-and-animal-infectious-diseases
#13
REVIEW
Zhenhai Chen
Parainfluenza virus 5 (PIV5), known as canine parainfluenza virus in the veterinary field, is a negative-sense, nonsegmented, single-stranded RNA virus belonging to the Paramyxoviridae family. Parainfluenza virus 5 is an excellent viral vector and has been used as a live vaccine for kennel cough for many years in dogs without any safety concern. It can grow to high titers in many cell types, and its genome is stable even in the presence of foreign gene insertions. So far, PIV5 has been used to develop vaccines against influenza virus, respiratory syncytial virus, rabies virus, and Mycobacterium tuberculosis, demonstrating its ability to elicit robust and protective immune responses in preclinical animal models...
January 5, 2018: Reviews in Medical Virology
https://www.readbyqxmd.com/read/29314762/opportunistic-infections-in-patients-with-idiopathic-inflammatory-myopathies
#14
Ada Redondo-Benito, Adrian Curran, Ana Villar-Gomez, Ernesto Trallero-Araguas, Andreu Fernández-Codina, Iago Pinal-Fernandez, Jose Ángel Rodrigo-Pendás, Albert Selva-O'Callaghan
AIM: To describe the prevalence, clinical characteristics and risk factors of opportunistic infection (OI) in a cohort of patients with inflammatory myopathies, and compare mortality rates between those with and without OIs. METHODS: In total, 204 patients from our myositis cohort were reviewed to identify patients who had experienced an OI during the period 1986-2014. The patients' clinical characteristics, treatments received, and outcomes were systematically recorded...
January 5, 2018: International Journal of Rheumatic Diseases
https://www.readbyqxmd.com/read/29309574/the-role-of-the-technical-review-panel-of-the-global-fund-to-fight-hiv-aids-tuberculosis-and-malaria-an-analysis-of-grant-recommendations
#15
Guido Schmidt-Traub
The independent Technical Review Panel (TRP) of the Global Fund to Fight HIV/AIDS, Tuberculosis and Malaria is a unique mechanism to review funding proposals and to provide recommendations on their funding. Its functioning and performance have received little attention in the scientific literature. We aimed to identify predictors for TRP recommendations, whether these were in line with the Global Fund's ambition to give priority to countries most in need, and whether they correlated with grant performance. We combined data on proposals and applications under the Rolling Continuation Channel, TRP recommendations and grant implementation during the rounds-based mechanism (2002-2010) with country characteristics...
January 4, 2018: Health Policy and Planning
https://www.readbyqxmd.com/read/29297444/renal-function-of-mdr-tb-patients-treated-with-kanamycin-regimens-or-concomitantly-with-antiretroviral-agents
#16
E L Sagwa, N Ruswa, F Mavhunga, T Rennie, A Mengistu, T T Mekonen, H G M Leufkens, A K Mantel-Teeuwisse
SETTING: To compare renal insufficiency among multidrug-resistant tuberculosis (MDR-TB) patients treated with kanamycin (KM) based regimens and those treated concomitantly with tenofovir disoproxil fumarate (TDF) or other antiretroviral therapy (ART) regimens in Namibia. DESIGN: Retrospective review of the treatment records and laboratory tests of patients initiated on MDR-TB treatment (January-December 2014). The glomerular filtration rates (eGFR) estimated pre- and post-treatment were compared using the analysis of variance test...
December 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29297440/diabetes-and-poor-tuberculosis-treatment-outcomes-issues-and-implications-in-data-interpretation-and-analysis
#17
P Huangfu, F Pearson, C Ugarte-Gil, J Critchley
Tuberculosis (TB) remains one of the 10 leading causes of death worldwide, especially in low- and middle-income countries. We conducted a systematic review and meta-analysis including 88 studies examining the association between diabetes mellitus (DM) and TB treatment outcomes. However, we found several common methodological problems among them, including inappropriate adjustments for confounding factors, not using optimal statistical methods for 'time to event' data, misclassification in exposure (DM) and outcomes (TB treatment outcomes) due to study design and non-standardisation of definitions, misunderstanding of basic study design concept, standardisation of TB treatment outcomes and quality control of publications...
December 1, 2017: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29297421/tuberculosis-and-diabetes-in-low-and-moderate-tuberculosis-incidence-countries
#18
P-H Lee, H Fu, M-R Lee, M Magee, H-H Lin
In countries with low and moderate incidence of tuberculosis (TB), the disease tends to concentrate in specific high-risk populations such as people with diabetes mellitus (DM). We review the updated evidence on the association between 1) DM and active TB, and 2) DM and latent tuberculous infection (LTBI), and 3) we summarize the findings on the population-level impact of DM on TB epidemiology, with particular focus on low- and moderate-incidence settings. We conducted an updated review of studies on DM and active TB, and found 11 more cohort studies published after the previous systematic review from 2008...
January 1, 2018: International Journal of Tuberculosis and Lung Disease
https://www.readbyqxmd.com/read/29296620/infectious-risk-stratification-in-multiple-sclerosis-patients-receiving-immunotherapy
#19
Jonas Graf, Verena I Leussink, Thomas Dehmel, Marius Ringelstein, Norbert Goebels, Ortwin Adams, Colin R MacKenzie, Clemens Warnke, Torsten Feldt, Anna Lammerskitten, Luisa Klotz, Sven Meuth, Heinz Wiendl, Hans-Peter Hartung, Orhan Aktas, Philipp Albrecht
The increasing number of potent treatments for multiple sclerosis warrants screening for infections. To investigate the prevalence of infections in two independent German patient cohorts with multiple sclerosis/neuromyelitis optica spectrum disorders (NMOSD), we performed a retrospective chart review study of multiple sclerosis/NMOSD patients who underwent testing for infections between 2014 and 2016. We show that 6 out of 80 tested patients (Düsseldorf cohort) and 2 out of 97 tested patients (Münster cohort) had a latent tuberculosis infection; total 3...
December 2017: Annals of Clinical and Translational Neurology
https://www.readbyqxmd.com/read/29295754/diagnosis-and-therapeutic-approach-of-latent-tuberculosis-infection
#20
José Domínguez, Irene Latorre, Miguel Santin
Detection and treatment of latent tuberculosis infection (LTBI) is an essential measure for tuberculosis (TB) control in low-incidence countries. However, such strategy is limited by the low predictive ability of the diagnostic tests for the development of active TB among infected people and the long-term and toxic treatment regimens. The in vitro interferon-gamma release assays are more specific and sensitive than the tuberculin skin test (TST), and enable a better selection of cases requiring treatment. Nonetheless, their capacity to predict development of TB is still poor...
December 30, 2017: Enfermedades Infecciosas y Microbiología Clínica
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