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https://www.readbyqxmd.com/read/28633901/patient-ethnicity-and-causative-species-determine-the-manifestations-of-anti-interferon-gamma-autoantibody-associated-nontuberculous-mycobacterial-disease-a-review
#1
REVIEW
Isano Hase, Kozo Morimoto, Takuro Sakagami, Yoshiki Ishii, Jakko van Ingen
Nontuberculous mycobacteria (NTM) infections involving anti-interferon-gamma (IFN-γ)-neutralizing autoantibodies have been described in previously immunocompetent adults. To investigate the factors underlying various disease manifestations, we reviewed 35 articles published between January 2004 and November 2016 and identified 111 NTM patients with anti-IFN-γ autoantibodies. Rapidly growing mycobacteria (RGM) accounted for 53% of the isolated species. RGM were predominant among the NTM species isolated from Thai (73%), Chinese (58%) and Filipino (56%) patients, whereas M...
May 18, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28629484/outbreak-of-non-tuberculous-mycobacteria-skin-or-soft-tissue-infections-associated-with-handling-fish-new-york-city-2013-2014
#2
K Yacisin, J L Hsieh, D Weiss, J Ackelsberg, E Lee, L Jones, Y L Leung, L Li, J Yung, S Slavinski, H Hanson, A Ridpath, J Kornblum, Y Lin, S Robbe-Austerman, J Rakeman, U Siemetzki-Kapoor, T Stuber, S K Greene
Mycobacterium marinum, a bacterium found in freshwater and saltwater, can infect persons with direct exposure to fish or aquariums. During December 2013, the New York City Department of Health and Mental Hygiene learned of four suspected or confirmed M. marinum skin or soft tissue infections (SSTIs) among persons who purchased whole fish from Chinese markets. Ninety-eight case-patients with non-tuberculous mycobacteria (NTM) SSTIs were identified with onset June 2013-March 2014. Of these, 77 (79%) were female...
June 20, 2017: Epidemiology and Infection
https://www.readbyqxmd.com/read/28628437/nontuberculous-mycobacteria-infections-at-a-provincial-reference-hospital-cambodia
#3
Maryline Bonnet, Kim Chamroeun San, Yati Pho, Chandara Sok, Jean-Philippe Dousset, William Brant, Northan Hurtado, Khun Kim Eam, Elisa Ardizzoni, Seiha Heng, Sylvain Godreuil, Wing-Wai Yew, Cathy Hewison
Prevalence of nontuberculous mycobacteria (NTM) disease is poorly documented in countries with high prevalence of tuberculosis (TB). We describe prevalence, risk factors, and TB program implications for NTM isolates and disease in Cambodia. A prospective cohort of 1,183 patients with presumptive TB underwent epidemiologic, clinical, radiologic, and microbiologic evaluation, including >12-months of follow-up for patients with NTM isolates. Prevalence of NTM isolates was 10.8% and of disease was 0.9%; 217 (18...
July 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28627431/evaluation-of-the-quantamatrix-multiplexed-assay-platform-system-for-simultaneous-detection-of-mycobacteirum-tuberculosis-and-rifampicin-resistance-gene-using-culture-positive-mycobacteria
#4
Hye-Young Wang, Young Uh, Seoyong Kim, Tae-Sun Shim, Hyeyoung Lee
BACKGROUND: The differentiation of Mycobacterium tuberculosis complex (MTBC) from nontuberculous mycobacteria (NTM) is of primary importance for infection control and choice of anti-tuberculosis drugs. Prevailing data on rifampicin (RIF)-resistant TB is essential for early management of multidrug resistant-TB. The aim of this study was to evaluate the usefulness of a newly developed multiplexed, bead-based bioassay (Quantamatrix Multiplexed Assay Platform; QMAP) for the rapid differentiation of 23 Mycobacterium species including MTBC and RIF-resistant strains...
June 13, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28619015/nontuberculosis-mycobacterial-infections-at-a-specialized-tuberculosis-treatment-centre-in-the-republic-of-korea
#5
Hee Jung Yoon, Hwa Young Choi, Moran Ki
BACKGROUND: The incidence of nontuberculous mycobacteria (NTM) infections is increasing worldwide, however formal evaluations of the epidemiology of NTM infections are limited. Understanding the trends and true prevalence of NTM is a major priority for optimizing infection control programmes and resources. The purpose of this study was to investigate the epidemiology, clinical manifestations, and radiologic findings in NTM-infected patients at specialized Tuberculosis (Tb) treatment centre in South Korea, which is endemic to Tb, and find solutions to control NTM infections...
June 15, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28610788/evaluation-of-antigen-specific-interleukin-1%C3%AE-as-a-biomarker-to-detect-cattle-infected-with-mycobacterium-bovis
#6
Mahmoud M Elnaggar, Gaber S Abdellrazeq, Alaa Elsisy, Asmaa H Mahmoud, Abdelrazeq Shyboub, Martina Sester, Samy A Khaliel, Mahavir Singh, Helmy A Torky, William C Davis
Bovine tuberculosis (bTB) is a major world-wide health problem that has been difficult to control, due to the lack of an effective vaccine and limited ability of the tuberculin skin test (TST) and the ancillary whole blood interferon-gamma (IFN-γ) release assay (IGRA) to detect all infected animals. A 6 h cytokine flow cytometric IFN-γ (CFC) assay was developed in effort to overcome these limitations and expand methods for studying the mechanisms of bTB immunopathogenesis. The present study was conducted to evaluate IL-1β as a biomarker to use in conjunction with the IFN-γ CFC assay to improve the diagnostic accuracy for bTB...
July 2017: Tuberculosis
https://www.readbyqxmd.com/read/28598348/mortality-from-selected-diseases-that-can-be-transmitted-by-water-united-states-2003-2009
#7
J W Gargano, E A Adam, S A Collier, K E Fullerton, S J Feinman, M J Beach
Diseases spread by water are caused by fecal-oral, contact, inhalation, or other routes, resulting in illnesses affecting multiple body systems. We selected 13 pathogens or syndromes implicated in waterborne disease outbreaks or other well-documented waterborne transmission (acute otitis externa, Campylobacter, Cryptosporidium, Escherichia coli (E. coli), free-living ameba, Giardia, Hepatitis A virus, Legionella (Legionnaires' disease), nontuberculous mycobacteria (NTM), Pseudomonas-related pneumonia or septicemia, Salmonella, Shigella, and Vibrio)...
June 2017: Journal of Water and Health
https://www.readbyqxmd.com/read/28594574/a-geospatial-epidemiologic-analysis-of-nontuberculous-mycobacterial-infection-an-ecological-study-in-colorado
#8
Ettie M Lipner, David Knox, Joshua French, Jordan Rudman, Michael Strong, James L Crooks
RATIONALE: Nontuberculous mycobacteria (NTM) are ubiquitous environmental microorganisms. Infection is thought to result primarily from exposure to soil and/or water sources. NTM disease prevalence varies greatly by geographic region, but the geospatial factors influencing this variation remain unclear. OBJECTIVES: To identify socio-demographic and environmental ecologic risk factors associated with NTM infection and disease in Colorado. METHODS: We conducted an ecological study combining data from patients with a diagnosis of NTM disease from National Jewish Health's Electronic Medical Record database and zip code-level socio-demographic and environmental exposure data obtained from the U...
June 8, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28588774/solitary-pulmonary-caseating-granulomas-a-5-year-retrospective-single-center-analysis
#9
Hidehiro Watanabe, Tomonori Uruma, Ikuo Seita, Tsuyoshi Oishi, Yusuke Watanabe, Ayaka Tsukimori, Yoshiteru Haga, Shinji Fukushima, Akihiro Sato, Itaru Nakamura, Tetsuya Matsumoto
Solitary pulmonary caseating granulomas (SPCGs) are a characteristic type of tuberculomas associated with infection with non-tuberculous mycobacteria (NTM) and other microbes; however, their significance remains unclear. The aim of the present study was to describe the clinical characteristics of patients with SPCGs in terms of diagnosis, presence of lung cancer and treatment status. A retrospective analysis of 17 immunocompetent patients with histopathologically confirmed caseating granulomas after undergoing video-assisted thoracoscopic surgery (VATS) was conducted at our center between 2011 and 2015...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28575238/does-disseminated-nontuberculous-mycobacterial-disease-cause-false-positive-determine-b-lam-lateral-flow-assay-results-a-retrospective-review
#10
Jeremy S Nel, Christopher K Lippincott, Rebecca Berhanu, David C Spencer, Ian M Sanne, Prudence Ive
We retrospectively reviewed the Determine TB-LAM lateral flow assay (LF-LAM) results among HIV-infected patients with disseminated nontuberculous mycobacterial (NTM) disease. LF-LAM was positive in 19/21 patients without evidence of tuberculosis coinfection. Although tuberculosis-NTM coinfection may have been underdiagnosed, our results suggest that disseminated NTM disease may cause false-positive LF-LAM results.
June 2, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28572311/draft-genome-sequences-of-mycobacterium-kansasii-clinical-strains
#11
Paulina Borówka, Jakub Lach, Zofia Bakuła, Jakko van Ingen, Aleksandra Safianowska, Anna Brzostek, Jarosław Dziadek, Dominik Strapagiel, Tomasz Jagielski
Mycobacterium kansasii is a nontuberculous mycobacterial (NTM) pathogen, frequently isolated from clinical samples and responsible for a large part of NTM infections in the human population. Here, we report the draft genome sequences of 12 M. kansasii strains isolated from clinical and host-associated sources from the Netherlands, Germany, and Poland.
June 1, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28551202/rapidly-growing-non-tuberculous-mycobacteria-infection-of-prosthetic-knee-joints-a-report-of-two-cases
#12
Manyoung Kim, Chul-Won Ha, Jae Won Jang, Yong-Beom Park
Non-tuberculous mycobacteria (NTM) cause prosthetic knee joint infections in rare cases. Infections with rapidly growing non-tuberculous mycobacteria (RGNTM) are difficult to treat due to their aggressive clinical behavior and resistance to antibiotics. Infections of a prosthetic knee joint by RGNTM have rarely been reported. A standard of treatment has not yet been established because of the rarity of the condition. In previous reports, diagnoses of RGNTM infections in prosthetic knee joints took a long time to reach because the condition was not suspected, due to its rarity...
May 24, 2017: Knee
https://www.readbyqxmd.com/read/28529461/treatment-of-non-tuberculous-mycobacterial-lung-disease
#13
Julie V Philley, Mary Ann DeGroote, Jennifer R Honda, Michael M Chan, Shannon Kasperbauer, Nicholas D Walter, Edward D Chan
Treatment of non-tuberculous mycobacterial lung disease (NTM-LD) is challenging for several reasons including the relative resistance of NTM to currently available drugs and the difficulty in tolerating prolonged treatment with multiple drugs. Yet-to-be-done, large, multicenter, prospective randomized studies to establish the best regimens will also be arduous because multiple NTM species are known to cause human lung disease, differences in virulence and response to treatment between different species and strains within a species will make randomization more difficult, the need to distinguish relapse from a new infection, and the difficulty in adhering to the prescribed treatment due to intolerance, toxicity, and/or drug-drug interactions, often necessitating modification of therapeutic regimens...
December 2016: Current Treatment Options in Infectious Diseases
https://www.readbyqxmd.com/read/28509852/inhaled-antibiotic-therapy-in-chronic-respiratory-diseases
#14
REVIEW
Diego J Maselli, Holly Keyt, Marcos I Restrepo
The management of patients with chronic respiratory diseases affected by difficult to treat infections has become a challenge in clinical practice. Conditions such as cystic fibrosis (CF) and non-CF bronchiectasis require extensive treatment strategies to deal with multidrug resistant pathogens that include Pseudomonas aeruginosa, Methicillin-resistant Staphylococcus aureus, Burkholderia species and non-tuberculous Mycobacteria (NTM). These challenges prompted scientists to deliver antimicrobial agents through the pulmonary system by using inhaled, aerosolized or nebulized antibiotics...
May 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28506264/an-association-between-pulmonary-mycobacterium-avium-intracellulare-complex-infections-and-biomarkers-of-th2-type-inflammation
#15
Paul E Pfeffer, Susan Hopkins, Ian Cropley, David M Lowe, Marc Lipman
BACKGROUND: The rising incidence of pulmonary Mycobacterium avium-intracellulare complex (MAI) infection is unexplained but parallels the growing world-wide epidemic of allergic disease. We hypothesized an association between pulmonary MAI infection and Th2-type immune responses as seen in allergy. METHODS: Biomarkers of patient Th2-type immune responses (peripheral blood eosinophil counts and serum IgE levels) were compared between patients with positive pulmonary samples for tuberculosis and non-tuberculous mycobacterial (NTM) infection...
May 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28504926/accurate-differentiation-of-mycobacterium-chimaera-from-mycobacterium-intracellulare-by-maldi-tof-ms-analysis
#16
Arthur B Pranada, Ellen Witt, Michael Bienia, Markus Kostrzewa, Markus Timke
PURPOSE: The increasing number of infections caused by nontuberculous mycobacteria (NTM) has prompted the need for rapid and precise identification methods of these pathogens. Several studies report the applicability of MALDI-TOF mass spectrometry (MS) for identification of NTM. However, some closely related species have very similar spectral mass fingerprints, and until recently, Mycobacterium chimaera and M. intracellulare could not be separated from each other by MALDI-TOF MS. METHODOLOGY: The conventional identification methods used in routine diagnostics have similar limitations...
May 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28486537/association-between-a-history-of-mycobacterial-infection-and-the-risk-of-newly-diagnosed-sj%C3%A3-gren-s-syndrome-a-nationwide-population-based-case-control-study
#17
Wen-Cheng Chao, Ching-Heng Lin, Tsai-Ling Liao, Yi-Ming Chen, Der-Yuan Chen, Hsin-Hua Chen
OBJECTIVE: To address the association between a history of tuberculosis (TB) or nontuberculous mycobacterial (NTM) infection and the risk of newly diagnosed Sjögren's syndrome (SS). METHODS: Using a nationwide, population-based, claims dataset, and after excluding those who had rheumatoid arthritis or systemic lupus erythematosus, we identified 5,751 newly diagnosed SS cases during 2007-2012, and compared them to 86,265 non-SS controls matched (1:15) for age, sex, and the year of first SS diagnosis date...
2017: PloS One
https://www.readbyqxmd.com/read/28483608/safety-and-effectiveness-of-clofazimine-for-primary-and-refractory-nontuberculous-mycobacterial-infection
#18
Stacey L Martiniano, Brandie D Wagner, Adrah Levin, Jerry A Nick, Scott D Sagel, Charles L Daley
BACKGROUND: Clofazimine is an antimicrobial agent that has activity in vitro against mycobacteria. Increasingly, it has been used for the treatment of nontuberculous mycobacteria (NTM), despite limited data supporting use in this setting. The objective of this study was to evaluate safety, tolerability, and clinical outcomes associated with clofazimine in patients with NTM infection. METHODS: Observational-cohort study of clofazimine used for pediatric and adult cystic fibrosis (CF) and non-CF patients with pulmonary and extrapulmonary NTM infection as part of a multidrug regimen from 2006-2014...
May 5, 2017: Chest
https://www.readbyqxmd.com/read/28479113/pharmacotherapy-for-non-cystic-fibrosis-bronchiectasis-results-from-an-ntm-info-research-patient-survey-and-the-bronchiectasis-and-ntm-research-registry
#19
E Henkle, T R Aksamit, A F Barker, J R Curtis, C L Daley, M L Daniels, A DiMango, E Eden, K Fennelly, D E Griffith, M Johnson, M R Knowles, A Leitman, P Leitman, E Malanga, M L Metersky, P G Noone, A E O'Donnell, K N Olivier, D Prieto, M Salathe, B Thomashow, G Tino, G Turino, S Wisclenny, K L Winthrop
PURPOSE: Non-cystic fibrosis bronchiectasis ("bronchiectasis") is a chronic inflammatory lung disease often associated with nontuberculous mycobacterium (NTM) infection. Very little data exist to guide bronchiectasis management decisions. We sought to describe patterns of inhaled corticosteroid (ICS) and antibiotic therapy in the U.S. METHODS: We invited 2,000 patients through NTM Info & Research (NTMir) to complete an anonymous electronic survey. We separately queried baseline clinical and laboratory data from the U...
May 4, 2017: Chest
https://www.readbyqxmd.com/read/28471978/septicemia-and-pneumonia-due-to-mycobacterium-fortuitum-infection-in-a-patient-with-extronodal-nk-t-cell-lymphoma-nasal-type-a-case-report
#20
Jia Cong, Chenxi Wang, Li Ma, Shaoya Zhang, Jingwen Wang
RATIONALE: Mycobacterium fortuitum (M.fortuitum) is one of the rapidly growing nontuberculous mycobacterium (NTM) that is widespread in the environment. M.fortuitum can cause different types of disease including pulmonary disease, lymphadenitis, cutaneous disease, and disseminated disease. However, the infection presenting as septicemia is exceedingly rare. PATIENT CONCERNS: A 48-year-old immunocompromised male with extranodal NK/T-cell lymphoma, nasal type was admitted to the hospital because of high fever for 10 days...
May 2017: Medicine (Baltimore)
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