providencia stuartii: a search for its natural habitat.a selective differential medium has been used to search for providencia stuartii in sewage, sewage contaminated natural waters and the faeces and skin of a small population of healthy non-hospitalized males. colonization of 12 male patients with long-term indwelling bladder catheters and the general environment of the spinal injury unit was also examined. providencia stuartii was not isolated from the non-hospital samples, but colonization of the urine (two patients) faeces (five patients) and s ...19852862199
blockage of urethral catheters by bacterial biofilms.we report the case of a 63-year-old woman whose indwelling urethral catheter became blocked regularly at 4-5 day intervals over a period of 10 weeks. 'worm-like' structures 25-30 cm in length were found either in the catheter, completely occluding the lumen, or in the drainage tube thereby blocking the valve of the drainage bag. electron microscopy showed that these structures were composed of bacteria, while culture revealed them to be mixed communities of pseudomonas aeruginosa, escherichia co ...19938228293
trends in fluoroquinolone (ciprofloxacin) resistance in enterobacteriaceae from bacteremias, england and wales, 1990-1999.the public health laboratory service receives antibiotic susceptibility data for bacteria from bloodstream infections from most hospitals in england and wales. these data were used to ascertain resistance trends to ciprofloxacin from 1990 through 1999 for the most prevalent gram-negative agents: escherichia coli, klebsiella spp., enterobacter spp., and proteus mirabilis. significant increases in resistance were observed for all four species groups. for e. coli, ciprofloxacin resistance rose from ...200211996681
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