A novel approach to potentially resolve serious thrombosis issues associated with kidney dialysis (hemodialysis) therapies is described. New water-soluble polymeric nitric oxide (NO) donors, based on the diazeniumdiolated branched poly(ethylenimine)s and their derivatives, are prepared and characterized. These macromolecular NO donors (with up to 4.15 micromol/mg of total NO release) are utilized as additives to the dialysate solution of model dialysis filters. The presence of these species can create a localized increase in NO levels at the high surface area dialysis fiber/blood interface within the hemodialyzers. Nitric oxide is a naturally occurring and potent anti-platelet agent and is expected to greatly decrease the risk of thrombosis in the dialysis units.
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Zhou et al. (2006) studied this question.
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