نتایج جستجو برای: disk diffusion agar
تعداد نتایج: 244985 فیلتر نتایج به سال:
Background and Objective: Nowadays opportunistic fungi especially C. albicans are the most common cause of life-threating infections in immunodeficiency patients. Increasing Azole-resistant strains of C. albicans are a main problem in human immunodeficiency virus-infected patients. The aim of this study was the evaluation of ERG11 gene in C. albicans Azole resistant strains that were isolated f...
BACKGROUND Accurate and rapid detection of methicillin-resistant Staphylococcus aureus is very important in a clinical laboratory setting to avoid treatment failure. Conventional methods were compared against the gold standard polymerase chain reaction (PCR) technique to determine the best combination of the routine procedures. METHODOLOGY Methicillin resistance was investigated in 416 clinic...
The BIOGRAM (Difco Laboratories, Detroit, Mich.) system, which is designed to calculate MICs from disk diffusion zone diameters, was compared with two commercial microdilution antimicrobial susceptibility systems. A total of 111 clinical isolates were evaluated with each test system. Six additional isolates were tested in a comparison between BIOGRAM and Sceptor (Johnston Laboratories, Inc. Tow...
OBJECTIVE To determine the resistance rate of the most commonly used antimicrobial agents amongst Helicobacter pylori isolates. METHODS The agar disk diffusion method (Kirby Bauer) was utilized to determine the susceptibility of 223 H. pylori strains isolated before treatment. Isolates were tested against metronidazole (5 micrograms), clarithromycin (15 micrograms), amoxycillin (10 micrograms...
Pseudomonas aeruginosa is the most common pathogen infecting the lungs of patients with cystic fibrosis (CF). Improved antimicrobial chemotherapy has significantly increased the life expectancy of these patients. However, accurate susceptibility testing of P. aeruginosa isolates from CF sputum may be difficult because the organisms are often mucoid and slow growing. This study of 597 CF isolate...
OBJECTIVE To determine a correlation of minimum inhibitory concentration (MIC) of sitafloxacin determined by agar dilution method with inhibition zone diameter of sitafloxacin determined by disk diffusion method, and to determine inhibition zone, diameter breakpoints of sitafloxacin against resistant gram-negative bacilli isolated from Thai patients. MATERIAL AND METHOD The study bacteria wer...
The activities of ampicillin-sulbactam and amoxicillin-clavulanate were studied with 100 selected clinical Escherichia coli isolates with different beta-lactam susceptibility phenotypes by standard agar dilution and disk diffusion techniques and with a commercial microdilution system (PASCO). A fixed ratio (2:1) and a fixed concentration (clavulanate, 2 and 4 micrograms/ml; sulbactam, 8 microgr...
سابقه و هدف: استافیلوکوک اورئوس یکی از مهم ترین عفونت های بیمارستانی می باشد که روز به روز بر مقاومت آنتی بیوتیکی آن به گروه بتالاکتام و وانکومایسین افزوده می شود. در این مطالعه ضمن بررسی فراوانی سوش های استافیلوک اورئوس بیمارستانی مقاوم به اگزاسیلین و وانکومایسین، میزان همخوانی دو روش disk diffusion و e test در تعیین حساسیت آنتی بیوتیکی مورد بررسی قرار گرفت.روش بررسی: در این مطالعه مقطعی، 100ن...
To evaluate the incidence and characteristics of carriers of conjunctival methicillin-resistant Staphylococcus aureus (MRSA) and methicillin-resistant coagulase-negative Staphylococci (MRCNS) among preoperative patients at an eye clinic, bacterial growth was studied in 978 conjunctival specimens of 628 preoperative patients without signs of ocular infection. Specimens were evaluated for growth ...
A total of 138 isolates, 118 methicillin-resistant Staphylococcus aureus (MRSA) isolates (staphylococcal cassette chromosome type II, 20 isolates, type III, 39 isolates and type IV, 59 isolates) and 20 methicillin-sensitive S. aureus isolates were evaluated by phenotypic methods: cefoxitin and oxacillin disk diffusion (DD), agar dilution (AD), latex agglutination (LA), oxacillin agar screening ...
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