نتایج جستجو برای: ntm
تعداد نتایج: 1092 فیلتر نتایج به سال:
Pulmonary infections with nontuberculous mycobacteria (NTM) are recognized as a problem in immunodeficient individuals and are increasingly common in older people with no known immune defects. NTM are found in soil and water, but factors influencing transmission from the environment to humans are mostly unknown. Studies of the epidemiology of NTM disease have matched some clinical isolates of N...
To assess whether there is any difference in postoperative morbidity and mortality after pneumonectomy between patients with multidrug-resistant tuberculosis (MDR-TB) and patients with non-tuberculous mycobacterial (NTM) infections. Between January 2000 and December 2007, 61 patients with MDR-TB and 60 patients with NTM infections underwent 66 and 64 pulmonary resections, respectively. Of these...
The clinical relevance of non-tuberculous mycobacteria (NTM) has been reported to be different dramatically by species or by regions, however, no such evaluation has been performed in China.A retrospective study was performed in Beijing Chest Hospital. All the NTM strains isolated from respiratory specimens in the past 5 years, and patients' clinical records (symptoms and radiographic informati...
NTM are bacteria with a lipid-rich, impermeable outer membrane that results in slow growth, antibiotic-resistance, disinfectant-resistance (e.g., chlorine), acid-tolerance, and propensity to stick to pipe surfaces. The lipid-rich outer membrane is the major determinant of their ecology as: (1) NTM grow slowly because they use a great deal of energy to make the long chain fatty acids in the oute...
A majority of the Mycobacterium species, called the nontuberculous mycobacteria (NTM), are natural inhabitants of natural waters, engineered water systems, and soils. As a consequence of their ubiquitous distribution, humans are surrounded by these opportunistic pathogens. A cardinal feature of mycobacterial cells is the presence of a hydrophobic, lipid-rich outer membrane. The hydrophobicity o...
Nontuberculous mycobacteria (NTM) are a major cause of opportunistic infection in immunocompromised hosts. Because there is no evidence of person-to-person transmission and NTM have been found in drinking water, the environment is considered a likely source of infection. In this study the widespread occurrence of NTM was examined in drinking water, bottled water, and ice samples. A total of 139...
INTRODUCTION Many studies have shown epidemiological links between strains isolated in tap water, and those isolated from patients. Molecular methods linked to PCR are more reliable and faster for identification of non- tuberculous mycobacteria (NTM). In this study molecular methods were used for identification and typing of NTM. MATERIALS AND METHODS Five hundred ml of 85 water samples was p...
BACKGROUND The prevalence of pulmonary non-tuberculous mycobacteria (NTM) infection is reportedly increasing. A study was undertaken of the "isolation prevalence" of pulmonary NTM in Ontario, Canada between 1997 and 2003 and the frequency of pulmonary NTM "disease". METHODS In a retrospective cohort, the "isolation prevalence" was studied by reviewing all positive NTM culture results from the...
BACKGROUND Mycobacterium tuberculosis complex (MTBC) and Non-tuberculosis Mycobacterium (NTM) infections differ clinically, making rapid identification and drug susceptibility testing (DST) very critical for infection control and drug therapy. This study aims to use World Health Organization (WHO) approved line probe assay (LPA) to differentiate mycobacterial isolates obtained from tuberculosis...
In response to two isolated cases of Mycobacterium chelonae infections in tattoo recipients where tap water was used to dilute ink, the New York City (NYC) Department of Health and Mental Hygiene conducted an investigation using Emergency Department (ED) syndromic surveillance to assess whether an outbreak was occuring. ED visits with chief complaints containing the key word "tattoo" from Novem...
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