نتایج جستجو برای: carbapenemase
تعداد نتایج: 2950 فیلتر نتایج به سال:
Abstract This study aimed to detect carbapenemase genes and determine the in vitro susceptibility of Ceftazidime-Avibactam (CZA) Enterobacterales isolates. Carbapenemase were detected by polymerase chain reaction. CZA sensitivity isolates was evaluated with broth microdilution (BMD) disk diffusion methods. A total 318 carbapenem-resistant included. Most ( n = 290, 91.2%) identified as Klebsiell...
This report documents emergence of New Delhi metallo-beta-lactamase (NDM-1) and Klebsiella pneumoniae carbapenemase (KPC-2) in K. pneumoniae and Enterobacter cloacae in South Africa. NDM-1 producers have not been described in South Africa, and this is the first instance that KPC producers have been identified in Africa. The two patients infected with these carbapenemase-producing bacteria demised.
Seventy-two (54.5%) out of 132 fecal samples from a group of yellow-legged gulls in Barcelona, Spain, were positive for Escherichia coli producing either extended-spectrum β-lactamases (ESBL) (51.5%), carbapenemase (1.5%), or cephamycinase (1.5%). The isolation of two carbapenemase-producing E. coli strains is a matter of concern.
We evaluated the analytical performance of a liquid chromatography-tandem mass spectrometry assay to detect carbapenemase activity in a group of carbapenemase-producing Enterobacteriaceae by meropenem hydrolysis. This one-hour method showed a sensitivity of 94% and a specificity of 100%, representing a rapid and reliable option compared to conventional phenotypic assays.
In this study, we tested the abilities of the Vitek 2, BD Phoenix, and Kirby Bauer disk diffusion tests to detect carbapenemase production in a collection of 14 Klebsiella pneumoniae carbapenemase (KPC)-producing non-Klebsiella pneumoniae isolates. In addition, we evaluated 13 KPC-positive K. pneumoniae isolates by using each of these methods and applied both 2009 and 2010 CLSI carbapenem inter...
Objectives Detection of rarer carbapenemases is challenging, as it requires molecular assays with comprehensive coverage or the use of phenotypic methods for the detection of carbapenemase activity. We describe a new class A carbapenemase, FRI-2, in an Enterobacter cloacae complex isolate following implementation of an in-house multiplex PCR for the detection of 'rare' class A carbapenemases. ...
BACKGROUND We compared the performance of the modified Hodge test (MHT), Triton Hodge test (THT), Carba NP test (CNPt), simplified Carba NP test (CNPt-direct), blue-Carba NP test (BCT), and carbapenem inactivation method (CIM) for rapid and accurate carbapenemase detection. METHODS The methods were evaluated by using 256 gram-negative isolates, including 197 Enterobacteriaceae (79 Enterobacte...
Carbapenem-resistant Acinetobacter baumannii has been considered one of the major threats to patients worldwide. To evaluate carbapenemase in several clinical isolates using phenotypic and genotypic approaches. A total 49 A. were tested against imipenem meropenem discs on Muller Hinton agar, then screened phenotypically through modified Hodge test (MHT), combined disc (CDT) carbapenem inactivat...
BACKGROUND & OBJECTIVE Bacterial resistance has greatly hampered effective treatment of patients in clinical settings. Non-fermenting Gram-negative bacilli (NFGNB) are common nosocomial pathogens. In this study we attempted to develop a convenient test for early detection of carbapenemase and metallo-beta-lactamase (MbetaL) production in NFGNB. Lack of sufficient reports from India in this area...
b ackground : the emergence and rapid spread of metallo-beta-lactamase (mbl) producing acinetobacter spp. are of great concern worldwide due to limited treatment options. epidemiologic studies of the causing genes are important for prevention. methods : in this study, 70 imipenem-resistant acinetobacter strains were isolated from health care associated infections. these isolates were s...
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