Study Of Biofilm Formation by Pseudomonas aureginosa in two different catheters
Asante, E.
Show abstract
Urinary Catheters are the leading cause of healthcare -associated Urinary Tract Infections (UTIs) making their use a necessary evil. Various models and approaches had been developed to help reduce the complications associated with the use of these catheters. This study aimed at investigating how two different types of urinary catheters (Silicone Catheter and Latex Coated Catheter) support biofilm formation of Pseudomonas aeruginosa isolates. The growth rate of the bacteria and the rate of formation of biofilm on each urinary catheter was determined by preparing biofilm assays, ranking them using crystal violet satins and measuring their absorbance using UV-VIS spectrophotometer. A difference in the level of biofilm in the catheters were observed. The differences in the level of biofilm observed in the catheters imply that different catheters may have different susceptibility for the formation of biofilms. The study recommends the assessment of biofilm formation in the quality evaluation of catheters. Also further studies should be done to investigate how different catheter material support biofilm formation and the mechanisms involved.
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