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Comparison of hemodialysis with medium cut-off dialyzer and on-line hemodiafiltration on the removal of small and middle-sized molecules
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Clin Nephrol; 89 (2018)(1): 50-56, 2018 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-28853700

BACKGROUND:

Recent data suggest that the use of medium cut-off (MCO) dialyzers in hemodialysis (HD) promotes greater clearance and reduction ratio (RR) for myoglobin and other large-sized molecules than on-line hemodiafiltration (ol-HDF), but its effects on ß2-microglobulin are not clear. We compared RR and clearances of small and middle-sized molecules between high-flux ol-HDF and MCO (Theranova) dialyzer in HD (MCO-HD) as well as nutritional parameters.

MATERIALS AND METHODS:

We retrospectively analyzed 10 patients treated first with ol-HDF who were thereafter switched to MCO-HD over a 1-year period. Three dialysis sessions in each 6-month period were examined. We calculated RR and clearance of small and middle-sized molecules.

RESULTS:

There was no significant difference between ol-HDF and MCO-HD for median serum albumin and prealbumin level, mean KT/V, mean urea and creatinine RR, mean ß2-microglobulin (81 ± 5 vs. 81 ± 6%, p = 0.72) and myoglobin (60 ± 9% vs. 61 ± 7%, p = 0.59), RR or clearances.

CONCLUSION:

The use of MCO (Theranova) dialyzer in HD produces similar removal of urea, creatinine, ß2-microglobulin and myoglobin as does ol-HDF, with good tolerance profile and without modification of nutritional status.
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