Furancarboxylic acid (3-carboxy-4-methyl-5-propyl-2-furanpropionic acid, CMPF), an inhibitor of erythropoiesis, cannot be removed by conventional hemodialysis due to its strong albumin binding, resulting in its accumulation in uremic serum. We used protein-leaking hemodialysis with BK-F dialyzers in 8 uremic patients for 4 months to determine its effect on the serum levels of CMPF. Pre-hemodialysis serum levels of CMPF significantly decreased to about 50% after 4 months by protein-leaking hemodialysis, while those of BUN and serum creatinine did not change significantly. Pre-hemodialysis hematocrit and hemoglobin levels significantly increased by protein-leaking hemodialysis. These results indicate that protein-leaking hemodialysis reduces serum levels of albumin-bound CMPF and improves anemia.

Glutathionyl Hb levels were increased in HD and CAPD patients, probably because of enhanced oxidative stress. The measurement of glutathionyl Hb may be useful to assess oxidative stress in uremic patients.

Glutathionyl Hb levels were increased in HD and CAPD patients, probably because of enhanced oxidative stress. The measurement of glutathionyl Hb may be useful to assess oxidative stress in uremic patients.

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