| case records of the massachusetts general hospital: weekly clinicopathological exercises: case no. 41322. | | 1955 | 13244811 |
| antimicrobial susceptibility of extended-spectrum beta-lactamase producers and multidrug-resistant acinetobacter baumannii throughout the united states and comparative in vitro activity of tigecycline, a new glycylcycline antimicrobial. | as part of the tigecycline evaluation and surveillance trial, isolates of escherichia coli, klebsiella pneumoniae, and acinetobacter baumannii were collected in the united states between january 2004 and january 2006. determinations of antimicrobial susceptibility and extended-spectrum beta-lactamase (esbl) production were carried out according to the clinical and laboratory standards institute guidelines. a high percentage of esbl-producing k. pneumoniae (>or=19.0%) was detected in new jersey, ... | 2007 | 17403448 |
| klebsiella pneumoniae necrotizing fasciitis and septic arthritis: an appearance in the western hemisphere. | necrotizing fasciitis caused by klebsiella pneumoniae is rare, with 11 documented cases in the literature, all occurring in asia and the middle east. these reports have become more frequent in recent years in association with the emergence of the highly virulent k1 capsular serotype of klebsiella. we report a case of klebsiella necrotizing fasciitis and con-current septic arthritis in the western hemisphere. | 2007 | 17437368 |
| ertapenem-resistant enterobacteriaceae: risk factors for acquisition and outcomes. | carbapenem resistance among enterobacteriaceae is of concern because of increasing prevalence and limited therapeutic options. limited research has been focused on understanding ertapenem resistance as a more sensitive marker for resistance to other carbapenems. we sought to determine risk factors for acquisition of ertapenem-resistant, meropenem-susceptible, or intermediate enterobacteriaceae and to assess associated patient outcomes. | 2010 | 21029005 |
| fecal shedding of klebsiella pneumoniae by dairy cows. | klebsiella pneumoniae is a common cause of clinical mastitis in dairy cattle. wood products are considered to be the main source of klebsiella on dairy farms. environmental hygiene and use of inorganic bedding materials such as sand are recommended to control klebsiella mastitis. however, klebsiella mastitis still occurs on well-managed dairy farms that use sand as bedding material. in a 5-mo study in a new york state dairy herd performed during the summer of 2005, all of 9 samples of unused san ... | 2006 | 16899675 |
| potential use of shared antigens for immunization against gram-negative bacillary infections. | the demonstration of common antigens shared by all enterobacteriaceae has led to evaluation of the effects of immunization of animals and man with these antigens in protecting against bacterial infections and challenge with lps. both active and passive immunization with the re mutant of s. minnesota and the j5 mutant of e. coli afforded significant protection to mice and rabbits against lethal challenge with viable bacteria and heterologous lps. kdo appears to be the antigenic determinant respon ... | 1980 | 6163155 |
| epidemiology of conjugative plasmid-mediated ampc beta-lactamases in the united states. | a sample of 752 resistant klebsiella pneumoniae, klebsiella oxytoca, and escherichia coli strains from 70 sites in 25 u.s. states and the district of columbia was examined for transmissibility of resistance to ceftazidime and the nature of the plasmid-mediated beta-lactamase involved. fifty-nine percent of the k. pneumoniae, 24% of the k. oxytoca, and 44% of the e. coli isolates transferred resistance to ceftazidime. plasmids encoding ampc-type beta-lactamase were found in 8.5% of the k. pneumon ... | 2004 | 14742206 |
| outbreak of ceftazidime resistance caused by extended-spectrum beta-lactamases at a massachusetts chronic-care facility. | during a 4-month period in late 1988, we isolated ceftazidime-resistant strains of klebsiella pneumoniae and other members of the family enterobacteriaceae from 29 patients at a chronic-care facility in massachusetts. ceftazidime resistance resulted from two distinct extended-spectrum beta-lactamases of the tem type which efficiently hydrolyzed the cephalosporin: you-1 with a pi of 5.57 and you-2 with a pi of 5.2. genes encoding these enzymes were present on different but closely related high-mo ... | 1990 | 2073110 |
| characterization of klebsiella isolates from natural receiving waters and comparison with human isolates. | two hundred sixty-six strains of klebsiella pneumoniae isolated from natural water sources in geographically diverse areas (florida, massachusetts, and oregon) were analyzed to determine the serotype, biochemical, virulence, and antimicrobial susceptibility differences between these natural strains and human klebsiella isolates. sixty of 72 defined serotypes were found among 210 typable strains. geographic patterns were present, but in general were not pronounced among serotypes. reactions with ... | 1974 | 4607526 |
| trimethoprim resistance in multiple genera of enterobacteriaceae at a u.s. hospital: spread of the type ii dihydrofolate reductase gene by a single plasmid. | the percentage of clinical isolates of several species of enterobacteriaceae, particularly escherichia coli and klebsiella pneumoniae, resistant to trimethoprim (tmpr) has increased gradually at the brigham and women's hospital (boston) in recent years. thirty-seven of 42 tmpr isolates from six species of gram-negative bacilli conjugally transferred tmp resistance to k12 e. coli. beta-lactam resistance cotransferred from 21 of the 37 donors, and sulfamethoxazole (smz) resistance cotransferred fr ... | 1985 | 2985709 |