نتایج جستجو برای: negative bacilli
تعداد نتایج: 540367 فیلتر نتایج به سال:
The intracellular parasite Salmonella enterica serovar Typhimurium causes a typhoid-like systemic disease in mice. Whereas the survival of Salmonella in phagocytes is well understood, little has been documented about the exit of intracellular Salmonella from host cells. Here we report that in a population of infected macrophages Salmonella induces "oncosis," an irreversible progression to eukar...
A Cyto-Tek staining machine designed for Papanicolau staining of cervical smears has been adapted for auramine staining of smears of sputum and other clinical specimens for acid-fast bacilli. The results compared favourably with those obtained by a manual method of staining. Contamination of negative smears by acid-fast bacilli from positive smears was not found. Since this study the machine ha...
Antimicrobial mechanism of action of surfactant lipid preparations in enteric Gram-negative bacilli.
Two surfactant lipid preparations (SLPs) were investigated to determine their mechanism of antimicrobial action. 8N8, a water-in-oil emulsion, and W60C, a liposome, both have bactericidal activity against Gram-positive bacteria and non-enteric Gram-negative bacteria. Additionally, W60C is bactericidal for enteric Gram-negative bacilli when suspended in deionized water. Zeta potential measuremen...
This study was designed to evaluate the performance of the broth microdilution (BMD) test in detecting the production of Klebsiella pneumoniae carbapenemases (KPCs) and metallo-β-lactamases (MBLs) in clinical isolates of gram-negative bacilli by using various β-lactamase inhibitors. A carbapenemase detection test, comprised of Mueller-Hinton broth containing serial twofold dilutions of imipenem...
BACKGROUND Infective endocarditis caused by non-HACEK (species other than Haemophilus species, Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, or Kingella species) gram-negative bacilli is rare, is poorly characterized, and is commonly considered to be primarily a disease of injection drug users. OBJECTIVE To describe the clinical characteristics and outcom...
The activity of azlocillin, a new semisynthetic penicillin, was determined against 582 clinical isolates of gram-negative bacilli and gram-positive cocci. Over 75% of the isolates of Pseudomonas aeruginosa were inhibited at a concentration of 12.5 mug or less per ml. Azlocillin is also active against indole-negative and -positive Proteus spp., inhibiting 98 and 71%, respectively, at a concentra...
We report two cases of bacterial keratitis caused by Capnocytophaga, a genus of capnophilic Gram negative bacilli. Both responded to topical and subconjunctival clindamycin.
INTRODUCTION The prevalence of extensively drug resistant gram negative bacilli (XDR-GNB) is rapidly progressing; however in Egypt data are sparse. We conducted the present study to quantify the incidence, risk factors and outcome of patients harboring XDR-GNB. METHODS A one year prospective study was done by collecting all the bacteriological reports for cultures sent from the surgical inten...
Non fermenting gram negative bacteria were considered to be nonpathogenic and commensal of little significance. Recently there has been a tremendous interest in these organisms as they are being isolated from clinical specimens with increasing frequency. So this study aims at isolation, identification and antibiotic susceptibility of non-fermenting gram negative bacilli from various clinical sp...
To assess the pattern of antibiotic utilisation and outcome of patients with bacteraemia in the hospital. All positive blood cultures (BC) over a 12-month period from January 2011 to December 2011 were retrospectively reviewed. Positive BC were recorded in 54 patients. 51.9% of the patients received antibiotics before or soon after obtaining the BC, and ceftriaxone was the most frequently-presc...
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