نتایج جستجو برای: gram negative rods
تعداد نتایج: 582040 فیلتر نتایج به سال:
We determined the frequency of colonization of nasopharynx by Gram-negative rods in 63 patients with lung cancer undergoing thoracic surgery who routinely receive antimicrobial prophylaxis. Throat and nasal specimens were taken from each patient twice: on the day of hospital admission (examination I) followed by thoracic surgery and on the fourth day after thoracic surgery (examination II). The...
When blood cultures turn positive, the attending physicians are usually notified immediately about Gram stain findings. However, information on the accuracy of Gram staining is very limited. We examined the accuracy of preliminary blood culture reports provided by a regional laboratory in an observational study including the years 1996, 2000 to 2001, and 2003. We used data from computer files a...
This study reports the infectious peritonitis rates in 44 patients on peritoneal dialysis in three different systems over the last 15 years, covering clinical outcomes, exit-site infections, tunnel infections, causative microorganisms, and the history of susceptibility of organisms causing peritonitis, in order to establish our center-specific selection of empiric therapy. Two microbiological p...
AIMS To determine the prevalence of Pseudomonas fluorescens on the arms of blood donors, and to elucidate one possible cause for its predominance (60% of cases during 1980-89) in exogenous post transfusion septicaemia (PTS). METHODS Skin swabs were taken from the arms of 782 blood donors and cultured on to heated blood agar. After incubation, Oxidase reagent and the Gram stain were used to se...
BACKGROUND Although hospital-acquired infections appear to be a growing threat to the survival of newborns in the developing world, the epidemiology of this problem remains poorly characterized. METHODS During a 10-month period, we conducted prospective longitudinal surveillance for colonization and bloodstream infection caused by gram-negative rods among all infants hospitalized in the 2 lar...
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