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Therapeutic effect of high-efficiency online hemodiafiltration for recurrent restless legs syndrome in dialysis patients.


ABSTRACT: Two dialysis patients developed recurrent restless legs syndrome. The clinical courses and the association between the ?1-microglobulin removal rate and the therapeutic effects of hemodiafiltration were analyzed. Case 1: a middle-aged woman was switched from predilution online hemodiafiltration to hemodialysis, following which the ?1-microglobulin removal rate decreased from 39.1 to 29.9%. A month later, the severe restless legs syndrome occurred. The treatment was then switched to high-efficiency hemodiafiltration and 2 weeks later, these symptoms were resolved. The ?1-microglobulin removal rate increased to 41.9%. Her symptoms recurred 5 years later with severity; thus, the hemodiafiltration treatment conditions were changed. Under revised conditions, the ?1-microglobulin removal rate was 42.6%, and her symptoms were alleviated. Continuation of high-efficiency hemodiafiltration led to the resolution of the syndrome at 1 month after recurrence. Case 2: a middle-aged man on hemodialysis developed the restless legs syndrome in the second year of treatment. The ?1-microglobulin removal rate was 23.8%. After switching to a month-long high-efficiency hemodiafiltration with a removal rate of???40%, his symptoms were resolved. However, the syndrome recurred after a year with severity. The symptoms were alleviated using various measures. The hemodiafilters were changed, and hemodiafiltration with an ?1-microglobulin removal rate of???40% was continued; 2 months later, his symptoms resolved. High-efficiency online hemodiafiltration is an effective therapeutic strategy for restless legs syndrome in dialysis patients. We found, for the first time, that target removal efficiency is an ?1-microglobulin removal rate of 40% or higher.

SUBMITTER: Sakurai K 

PROVIDER: S-EPMC7458888 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Therapeutic effect of high-efficiency online hemodiafiltration for recurrent restless legs syndrome in dialysis patients.

Sakurai Kenji K   Saito Takeshi T   Hosoya Hiromi H   Kurihara Yoshitaka Y   Yamauchi Fumi F  

Journal of artificial organs : the official journal of the Japanese Society for Artificial Organs 20200330 3


Two dialysis patients developed recurrent restless legs syndrome. The clinical courses and the association between the α<sub>1</sub>-microglobulin removal rate and the therapeutic effects of hemodiafiltration were analyzed. Case 1: a middle-aged woman was switched from predilution online hemodiafiltration to hemodialysis, following which the α<sub>1</sub>-microglobulin removal rate decreased from 39.1 to 29.9%. A month later, the severe restless legs syndrome occurred. The treatment was then swi  ...[more]

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