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[blood cultures: use of presumptive antiobiograms].mortality associated to bacteremia varies between 20 and 40% depending upon several factors, such as focus of infection, microorganism, host conditions, etc. it has also been documented that mortality may double when the patient does not receive antibiotic treatment to which the microorganism is susceptible. the objective of our work has been to determine the correlation between disk diffusion antibiogram according to nccls guidelines, from isolated colonies, and the one performed directly from ...200011008707
extended-spectrum beta-lactamases in enterobacteriaceae in buenos aires, argentina, public hospitals.resistance to extended-spectrum cephalosporins is often associated with plasmid encoded extended spectrum beta-lactamases (esbl). in order to evaluate the prevalence and diversity of esbls in enterobacteria in our city, a 1-month-period survey was carried out from april to may 2000. extended-spectrum-cephalosporin-resistant strains, isolated from inpatient clinical specimens other than stools, were collected among 17 participating hospitals. from a total of 427 enterobacterial strains that were ...200312936986
[bact-alert automatized system for blood cultures: 5 vs 7 days of incubation. first argentine multicentre study].bact-alert automatized system for blood cultures: 5 vs 7 days of incubation. first argentine multicentre study. between january and december 2001, we analyzed 80,141 blood cultures by the bact-alert system (14,960 fan aerobics, 3,855 fan anaerobic, 11,114 standards aerobics, 11,367 standards anaerobic, 12,054 pediatrics and 26,791 fan pediatrics bottles) and 44.235 series from 27.615 patients at eight hospitals of buenos aires city, one of la plata city and three of the buenos aires province. a ...200415174746
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