Nephrol Dial Transplant (2000) 15: 760-764
© 2000 European Renal Association-European Dialysis and Transplant Association
Editorial Comments
Why and how to monitor bacterial contamination of dialysate?
Servicio Nefrología, Hospital General Universitario Gregorio Marañón, Madrid, Spain
Introduction
The microbiological contamination of water concentrates and dialysate fluid is a problem which dates back to the distant past, but has recently gained again great actuality. Published data document that the bacteriological quality of the dialysate fluid plays a role in the biocompatibility of haemodialysis (HD) [1,2]. Endotoxins in the dialysate fluid may enter the blood compartment and potently activate monocytes to produce pro-inflammatory cytokines [2]. Increased production of cytokines, mainly of IL-1, IL-6 and TNF-alpha, is thought to be causally related to several distinct acute and chronic problems of HD patients (Table 1
) [35]. These cytokines trigger a series of acute phase reactants, and consequently, these patients exhibit a state of chronic microinflammation (Table 1
) [6,7]. Some studies have found a relation between these acute phase reactants and mortality of patients on HD [6
Factors influencing the risk of microbiological contamination of dialysis fluid
Relationship between bacterial contamination of the dialysate, endotoxin and cytokines
How can one adequately handle this problem?
Necessity to standardize control measures for detection of bacterial contamination of the dialysate
Conclusions
Acknowledgments
Notes
References
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