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Tuberculosis

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80 papers 25 to 100 followers
https://www.readbyqxmd.com/read/28369361/long-term-outcome-of-pulmonary-resection-for-nontuberculous-mycobacterial-pulmonary-disease
#1
Takanori Asakura, Nobutaka Hayakawa, Naoki Hasegawa, Ho Namkoong, Ken Takeuchi, Shoji Suzuki, Makoto Ishii, Tomoko Bestuyaku, Yoshiaki Abe, Motofumi Ouchi
BACKGROUND: Pulmonary resection along with multiple antimicrobial therapy has produced favorable outcomes at a few centers. However, little is known regarding the risk factors for long-term survival and microbiological recurrence after pulmonary resection for nontuberculous mycobacterial pulmonary disease (NTMPD). We evaluated the long-term outcomes of pulmonary resection, including microbiological recurrence and survival. METHODS: This retrospective cohort study included 125 patients (median age, 60 years) with NTMPD treated by pulmonary resection at two referral centers between January 1994 and August 2015...
March 25, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28402396/comparing-the-efficacy-of-drug-regimens-for-pulmonary-tuberculosis-meta-analysis-of-endpoints-in-early-phase-clinical-trials
#2
Laura J Bonnett, Gie Ken-Dror, Gavid Koh, Geraint R Davies
A systematic review of early clinical outcomes in tuberculosis was undertaken to determine ranking of efficacy of drugs and combinations, define variability of these measures on different endpoints, and to establish the relationships between them. Studies were identified by searching PubMed, MEDLINE, EMBASE, LILACs and reference lists of included studies. Outcomes were early bactericidal activity results over two, seven and 14 days, and the proportion of patients with negative culture at eight weeks. 133 trials reporting Phase IIA (early bactericidal activity) and IIB (culture-conversion at two months) outcomes were identified...
April 10, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28472255/clinical-outcomes-of-patients-with-drug-resistant-tuberculous-meningitis-treated-with-an-intensified-antituberculosis-regimen
#3
A Dorothee Heemskerk, Mai Thi Hoang Nguyen, Ha Thi Minh Dang, Chau Van Vinh Nguyen, Lan Huu Nguyen, Thu Dang Anh Do, Thuong Thuy Thuong Nguyen, Marcel Wolbers, Jeremy Day, Thao Thi Phuong Le, Bang Duc Nguyen, Maxine Caws, Guy E Thwaites
Background.: Drug-resistant tuberculous meningitis (TBM) is difficult to diagnose and treat. Mortality is high and optimal treatment is unknown. We compared clinical outcomes of drug-resistant and -susceptible TBM treated with either standard or intensified antituberculosis treatment. Methods.: We analyzed the influence of Mycobacterium tuberculosis drug resistance on the outcomes of patients with TBM enrolled into a randomized controlled trial comparing a standard, 9-month antituberculosis regimen (containing rifampicin 10 mg/kg/day) with an intensified regimen with higher-dose rifampicin (15 mg/kg/day) and levofloxacin (20 mg/kg/day) for the first 8 weeks...
May 4, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28531276/impact-of-vitamin-a-and-carotenoids-on-the-risk-of-tuberculosis-progression
#4
Omowunmi Aibana, Molly F Franke, Chuan-Chin Huang, Jerome T Galea, Roger Calderon, Zibiao Zhang, Mercedes C Becerra, Emily R Smith, Alayne G Ronnenberg, Carmen Contreras, Rosa Yataco, Leonid Lecca, Megan B Murray
Background: Low and deficient levels of vitamin A are common in low and middle income countries where tuberculosis (TB) burden is high. We assessed the impact of baseline levels of vitamins A and carotenoids on TB disease risk. Methods: We conducted a case-control study nested within a longitudinal cohort of household contacts of pulmonary TB cases in Lima, Peru. We defined cases as HIV-negative household contacts with blood samples who developed TB disease at least 15 days after enrollment of index patient...
May 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28541556/microbiological-persistence-in-patients-with-mycobacterium-avium-complex-lung-disease-the-predictors-and-the-impact-on-radiographic-progression
#5
Sheng-Wei Pan, Chin-Chung Shu, Jia-Yih Feng, Jann-Yuan Wang, Yu-Jiun Chan, Chong-Jen Yu, Wei-Juin Su
Objectives.: Persistent growth of Mycobacterium avium complex (MAC) in the lungs indicates continuous infection in MAC lung disease (MAC-LD), but its clinical significance has not been investigated. We aimed to evaluate the predictors of persistent culture-positivity and its impact on radiographic deterioration in MAC-LD. Methods.: MAC-LD patients at multiple medical centers from 2011 to 2016 were enrolled retrospectively. Microbiological persistence of MAC-LD was defined as persistent culture-positivity for MAC (MAC-PP) exceeding one year, in contrast with the negative conversion group (MAC-NC)...
May 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28575173/health-care-associated-mycobacterium-bovis-bcg-infection-in-cancer-patients-without-prior-bcg-instillation
#6
Y Meije, J Martínez-Montauti, J A Caylà, J Loureiro, L Ortega, M Clemente, X Sanz, M Ricart, M J Santomà, P Coll, M Sierra, M Calsina, M Vaqué, I Ruiz-Camps, C López-Sánchez, M Montes, A Ayestarán, J Carratalà, A Orcau
Background: Bacille Calmette-Guérin (BCG), an attenuated strain of Mycobacterium bovis, is widely used as adjunctive therapy for superficial bladder cancer. Intravesical administration of BCG has been associated with systemic infection. Disseminated infection due to M. bovis is otherwise uncommon. Methods: After identification of three patients with health-care associated BCG infection (HCBCGI) who had never received intravesical BCG administration, an epidemiologic study was performed...
May 29, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28166920/tuberculosis-the-great-imitator-a-usual-disease-with-unusual-presentations
#7
Sujata Jetley, Zeeba S Jairajpuri, Mukta Pujani, Sabina Khan, Safia Rana
BACKGROUND: A number of infectious diseases have been referred to by the phrase 'The Great Imitator', of which the oldest is syphilis; others include Lyme disease, nocardiosis, etc. Tuberculosis has been described as the second great imitator as it can imitate various other disease processes. An awareness of the atypical clinical manifestations of tuberculosis is important, especially in regions where tuberculosis continues to be a major public health problem, such as India. Extrapulmonary tuberculosis (EPTB) constitutes about 15-20% of all cases of tuberculosis in immunocompetent patients and accounts for more than 50% of the cases in human immunodeficiency virus (HIV)-positive individuals...
January 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28410694/pyridines-multidrug-resistant-tuberculosis-mdr-tb-inhibitors
#8
REVIEW
Kavita S Chaudhari, Harun M Patel, Sanjay J Surana
Mycobacterium tuberculosis (MTB) infection has become an increasing health threat due to the worldwide emergence of multidrug-resistant MTB (MDR-MTB) strain. Isoniazid (pyridine) resistance problem is a complex process and is associated with mutations in several genes. However, the emergence of isoniazid (INH) resistant M. tuberculosis strains dictates the necessity for redesigning this old drug in order to create analogs effective against INH-resistant strains by using rational approach. In light of these findings, the present review discusses the synthesis, structural optimization, and modification in pyridine structure to combat the problem of multidrug-resistant tuberculosis...
April 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28410698/spontaneous-chylothorax-revealing-a-mediastinal-and-abdominal-lymph-node-tuberculosis
#9
Jihen Ben Amar, Haifa Zaibi, Besma Dahri, Hichem Aouina
Chylothorax is a rare manifestation of tuberculosis. We report a case of spontaneous chylothorax due to tuberculosis. A 62-year-old woman was admitted with fever, chest pain and dyspnea. Chest and abdominal computed tomography revealed a fluid collection with necrotic mediastinal and abdominal lymph nodes. Biopsy of lymph nodes by mediastinoscopy. The patient was treated with anti-tuberculosis medication. He is clinically improved and his pleural effusion also completely resolved.
April 2017: Indian Journal of Tuberculosis
https://www.readbyqxmd.com/read/28427368/complications-of-miliary-tuberculosis-low-mortality-and-predictive-biomarkers-from-a-uk-cohort
#10
Jonathan Underwood, Fiona Cresswell, Alex P Salam, Alex J Keeley, Charles Cleland, Laurence John, Robert N Davidson
BACKGROUND: Untreated, miliary tuberculosis (TB) has a mortality approaching 100%. As it is uncommon there is little specific data to guide its management. We report detailed data from a UK cohort of patients with miliary tuberculosis and the associations and predictive ability of admission blood tests with clinical outcomes. METHODS: Routinely collected demographic, clinical, blood, imaging, histopathological and microbiological data were assessed for all patients with miliary TB identified from the London TB register from 2008 to 2012 from Northwest London Hospitals NHS Trust...
April 20, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28348502/nontuberculous-mycobacteria-in-saudi-arabia-and-gulf-countries-a-review
#11
REVIEW
Hawra Al-Ghafli, Sahal Al-Hajoj
Nontuberculous Mycobacteria (NTM) are causing growing health problems worldwide. This is indicated by an increasing amount of scientific reports showing not only well-identified species reemerging but also emergence of new species. The emergence and reemergence of NTM are particularly worrying in developing countries due to scarce published data and improper identification. Here we aimed to examine the main epidemiological aspects and diagnostic challenges associated with NTM in countries of the Gulf Cooperation Council (GCC) and compare these findings to the international arena findings...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28250986/severe-tuberculosis-requiring-intensive-care-a-descriptive-analysis
#12
Raquel Pacheco Duro, Paulo Figueiredo Dias, Alcina Azevedo Ferreira, Sandra Margarida Xerinda, Carlos Lima Alves, António Carlos Sarmento, Lurdes Campos Dos Santos
Background. This study aims to describe the characteristics of tuberculosis (TB) patients requiring intensive care and to determine the in-hospital mortality and the associated predictive factors. Methods. Retrospective cohort study of all TB patients admitted to the ICU of the Infectious Diseases Department of Centro Hospitalar de São João (Porto, Portugal) between January 2007 and July 2014. Comorbid diagnoses, clinical features, radiological and laboratory investigations, and outcomes were reviewed. Univariate analysis was performed to identify risk factors for death...
2017: Critical Care Research and Practice
https://www.readbyqxmd.com/read/28166561/tuberculosis
#13
REVIEW
Karen R Jacobson
This issue provides a clinical overview of tuberculosis, focusing on screening, prevention, diagnosis, and treatment. The content of In the Clinic is drawn from the clinical information and education resources of the American College of Physicians (ACP), including MKSAP (Medical Knowledge and Self-Assessment Program). Annals of Internal Medicine editors develop In the Clinic in collaboration with the ACP's Medical Education and Publishing divisions and with the assistance of additional science writers and physician writers...
February 7, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28049171/group-5-drugs-for-multidrug-resistant-tuberculosis-individual-patient-data-meta-analysis
#14
Greg J Fox, Andrea Benedetti, Helen Cox, Won-Jung Koh, Piret Viiklepp, Shama Ahuja, Geoffrey Pasvol, Dick Menzies
The role of so-called "group 5" second-line drugs as a part of antibiotic therapy for multidrug-resistant tuberculosis (MDR-TB) is widely debated. We performed an individual patient data meta-analysis to evaluate the effectiveness of several group 5 drugs including amoxicillin/clavulanic acid, thioacetazone, the macrolide antibiotics, linezolid, clofazimine and terizidone for treatment of patients with MDR-TB.Detailed individual patient data were obtained from 31 published cohort studies of MDR-TB therapy. Pooled treatment outcomes for each group 5 drug were calculated using a random effects meta-analysis...
January 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28182570/long-term-outcome-and-safety-of-prolonged-bedaquiline-treatment-for-multidrug-resistant-tuberculosis
#15
Lorenzo Guglielmetti, Marie Jaspard, Damien Le Dû, Marie Lachâtre, Dhiba Marigot-Outtandy, Christine Bernard, Nicolas Veziris, Jérôme Robert, Yazdan Yazdanpanah, Eric Caumes, Mathilde Fréchet-Jachym
Bedaquiline, a recently approved drug for the treatment of multidrug-resistant tuberculosis (MDR-TB), is recommended for a duration of 24 weeks. There are scarce data on patients treated with this drug outside clinical trials.All MDR-TB patients who started treatment from January 1, 2011 to December 31, 2013 and received ≥30 days of bedaquiline were included in a multicentre observational cohort.Among 45 MDR-TB patients, 53% harboured isolates resistant to both fluoroquinolones and second-line injectables, and 38% harboured isolates resistant to one of these drug classes...
March 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28184421/risk-of-active-tuberculosis-in-patients-with-cancer-a-systematic-review-and-metaanalysis
#16
Matthew P Cheng, Claire Nour Abou Chakra, Cedric P Yansouni, Sonya Cnossen, Ian Shrier, Dick Menzies, Christina Greenaway
No abstract text is available yet for this article.
December 13, 2016: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28177961/new-concepts-in-understanding-latent-tuberculosis
#17
Claire E Dodd, Larry S Schlesinger
PURPOSE OF REVIEW: Mycobacterium tuberculosis (M.tb), the etiologic agent of tuberculosis, is a prominent global health threat because of the enormous reservoir of subclinical latent tuberculosis infection (LTBI). Current diagnostic approaches are limited in their ability to predict reactivation risk and LTBI is recalcitrant to antibiotic treatment. The present review summarizes recent advances in our ability to detect, treat and model LTBI as well as our understanding of bacterial physiology during latency...
June 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/28127232/computed-tomography-findings-of-pulmonary-mycobacterium-simiae-infection
#18
Ayeh Baghizadeh, Payam Mehrian, Poopak Farnia
Nontuberculous mycobacterial (NTM) pulmonary infections can be quite similar to tuberculosis, both clinically and radiologically. However, the treatment protocol is not similar. Mycobacterium simiae is a rare cause of NTM pulmonary infection. Herein, we aimed to evaluate and compare the computed tomography (CT) scan findings of M. simiae infection in lungs. For this reason, thirty-four patients (n = 34) with M. simiae lung infection were retrospectively evaluated. Diagnosis was confirmed by American Thoracic Society (ATS) guidelines and CT scans were reviewed in both lung and mediastinal windows...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28011608/mycobacterial-characteristics-and-treatment-outcomes-in-mycobacterium-abscessus-lung-disease
#19
Won-Jung Koh, Byeong-Ho Jeong, Su-Young Kim, Kyeongman Jeon, Kyoung Un Park, Byung Woo Jhun, Hyun Lee, Hye Yun Park, Dae Hun Kim, Hee Jae Huh, Chang-Seok Ki, Nam Yong Lee, Hong Kwan Kim, Yong Soo Choi, Jhingook Kim, Seung-Heon Lee, Chang Ki Kim, Sung Jae Shin, Charles L Daley, Hojoong Kim, O Jung Kwon
BACKGROUND: Treatment outcomes of patients with Mycobacterium abscessus subspecies abscessus lung disease are poor, and the microbial characteristics associated with treatment outcomes have not been studied systematically. The purpose of this study was to identify associations between microbial characteristics and treatment outcomes in patients with M. abscessus lung disease. METHODS: Sixty-seven consecutive patients with M. abscessus lung disease undergoing antibiotic treatment for ≥12 months between January 2002 and December 2012 were included...
February 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28011609/progression-and-treatment-outcomes-of-lung-disease-caused-by-mycobacterium-abscessus-and-mycobacterium-massiliense
#20
Jimyung Park, Jaeyoung Cho, Chang-Hoon Lee, Sung Koo Han, Jae-Joon Yim
BACKGROUND: Mycobacterium abscessus and Mycobacterium massiliense are grouped as the Mycobacterium abscessus complex. The aim of this study was to elucidate the differences between M. abscessus and M. massiliense lung diseases in terms of progression rate, treatment outcome, and the predictors thereof. METHODS: Between 1 January 2006 and 30 June 2015, 56 patients and 54 patients were diagnosed with M. abscessus and M. massiliense lung diseases, respectively. The time to progression requiring treatment and treatment outcomes were compared between the 2 groups of patients, and predictors of progression and sustained culture conversion with treatment were analyzed...
February 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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