Keywords
hemodialysis
Pseudomonas aeruginosa
yeast
heterotrophic bacteria
disinfections
How to Cite
Abstract
During the summer and winter of 2003, 200 samples of water used for hemodialysis procedures collected from two hospitals A and B were analyzed. The water samples were collected from the following sites: P1 - from incoming public treated water, from city water mains (N=18 samples); P2 - from pre-treatment site (N=18); P3 - from reverse osmosis (OR) treatment site (N=18); P4 - from hemodialysis machine water entry site (N=28); P5 - pre-dialyzing solution (N=30); P6 - from post-dialyzing site with arterial and venous blood lines (N=17); P7- from loop (N=9); P8 - from carbon filter (N=11); P9 - from reuse C site (N=18); P10 – from reuse B site (N=18); and P11- from water storage tank for OR (N=11). The analyses were performed according to the methodology recommended in the Standard Methods for the Examination of Water and
Wastewater, 1995, by means of the following assays: pour plate technique for heterotrophic bacteria (BH) counting in R2A agar; filter membrane technique for Pseudomonas aeruginosa detection in Cetrimide agar; culture in Sabouraud agar for yeast; technique for fluoride and conductivity determination; determination of sulfate and nitrate performed according to “Normas Analíticas do Instituto Adolfo Lutz”
(Instituto Adolfo Lutz Analytical Guidelines), 1985...
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