نتایج جستجو برای: isoniazid resistance
تعداد نتایج: 379234 فیلتر نتایج به سال:
The aim of this study was to investigate the significance of multiple-mutations in the katG gene, predominant nucleotide changes and its correlation with high level of resistance to isoniazid in Mycobacterium tuberculosis isolates that were randomly collected from sputa of 42 patients with primary and secondary active pulmonary tuberculosis from different geographic regions of Iran. Drug suscep...
African countries with a high prevalence of drug-resistant TB. The high degree of mono-, multiand polyresistance to streptomycin may be the result of selective pressure exerted by treatment of other infections with streptomycin and to incomplete treatment courses. Drug resistance to streptomycin and isoniazid are of concern, since these drugs are core components of the NTP. The relative ineffec...
BACKGROUND Quantifying isoniazid resistant (INH-R) tuberculosis (TB) is important because isoniazid resistance reduces the probability of treatment success, may facilitate the spread of multidrug resistance, and may reduce the effectiveness of isoniazid preventive therapy (IPT). METHODOLOGY/PRINCIPAL FINDINGS We used data reported to the World Health Organization between 1994-2009 to estimate...
Culture and resistance testing of Mycobacterium tuberculosis are not regularly performed in Chad. Sputa were obtained from three different categories of hospitals (district, regional and national) in Chad. All examined sputa were smear-positive and were investigated by culture and drug resistance testing for first-line antituberculosis drugs. From 232 sputa positive for acid-fast bacilli, 135 i...
BACKGROUND The continued advance of antibiotic resistance threatens the treatment and control of many infectious diseases. This is exemplified by the largest global outbreak of extensively drug-resistant (XDR) tuberculosis (TB) identified in Tugela Ferry, KwaZulu-Natal, South Africa, in 2005 that continues today. It is unclear whether the emergence of XDR-TB in KwaZulu-Natal was due to recent i...
Introduction: The GABAergic system of the brain plays a key role in morphine tolerance and sensitization. As isoniazid is a modulator of the GABAergic system, the present study aims to understand whether isoniazid can influence the induction of tolerance and sensitization to the rewarding effects of morphine. Methods: The rewarding effects of morphine and isoniazid were assessed using a Condi...
Introduction. The performance of a drug susceptibility test may change when moving from the research stage to implementation on a population level in actual public health practice. Objective. The performance of a rapid drug susceptibility test was described for detecting multidrug-resistant Mycobacterium tuberculosis when implemented in the routine workflow of a low-resource reference laborator...
With increasing incidence of multidrug-resistant tuberculosis (MDR-TB), accurate drug susceptibility testing (DST) of Mycobacterium tuberculosis to first-line drugs has become crucial for proper patient management. We evaluated concordance of DST results for 70 M. tuberculosis isolates across two phenotypic and two molecular methods: BACTEC 460TB, MGIT 960 system, GenoType MTBDRplus and DNA seq...
We read with interest the report by Ruddy et al on the outbreak of isoniazid resistant tuberculosis in North London. We share their concern about the development of multidrug resistant tuberculosis (MDR-TB) in patients infected with a Mycobacterium tuberculosis strain with primary isoniazid resistance which may occur especially in cases of noncompliance. In the Netherlands the incidence of TB i...
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