Summary
The influence of various urological irrigation solutions on bacterial growth and adherence to urothelium was investigated in in vitro and guinea pig models. The irrigation solutions glycine 1.5%, glycine 1.5% and ethanol 1%, glycerol 3%, mannose 6%, sorbitol 2.7% and mannitol 0.54% all inhibited bacterial growth compared with normal saline. In guinea pigs, the influence on bacterial adherence of four irrigation solutions (glycine 1.5%, glycine 1.5% and ethanol 1%, mannose 6%, povidone-iodine) was investigated using two different strains of E. coli. After cauterizing one side of the bladder and inoculation with 2.7×108 colony forming units under high or low pressure, the bladder was irrigated with the irrigation solutions. There was a stronger adherence of E. coli O6 (with type I pili) than of E. coli ATCC 25922 (without type I pili) to bladder urothelium, particularly to the injured side. There was no significant difference between the high- and low-pressure groups. None of the various irrigation solutions was clearly superior. As mannose 6% effectively inhibited type I pili and also had some antibacterial activity it may reduce urinary tract infection if used as irrigation solution.
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Gasser, T.C., Madsen, P.O. Influence of urological irrigation fluids on urothelial bacterial adherence. Urol. Res. 21, 401–405 (1993). https://doi.org/10.1007/BF00300076
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DOI: https://doi.org/10.1007/BF00300076