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עמוד בית
Thu, 10.10.24

Original Articles

IMAJ | volume 21

Journal 1, January 2019
pages: 5-9

Ultrapure Filter does not Confer Short-Term Benefits over Two Reverse Osmosis Systems in Chronic Hemodialysis Patients

Summary

Background:

Dialysate purity contributes to the inflammatory response that afflicts hemodialysis patients.

Objectives:

To compare the clinical and laboratory effects of using ultrapure water produced by a water treatment system including two reverse osmosis (RO) units in series, with a system that also includes an ultrapure filter (UPF).

Methods:

We performed a retrospective study in 193 hemodialysis patients during two periods: period A (no UPF, 6 months) and period B (same patients, with addition of UPF, 18 months), and a historical cohort of patients treated in the same dialysis unit 2 years earlier, which served as a control group.

Results:

Mean C-reactive protein, serum albumin and systolic blood pressure worsened in period B compared to period A and in the controls.

Conclusions:

A double RO system to produce ultrapure water is not inferior to the use of ultrapure filters.

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