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KMID : 1102220160350020107
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Kidney Research and Clinical Practice
2016 Volume.35 No. 2 p.107 ~ p.113
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Comparison of uremic pruritus between patients undergoing hemodialysis and peritoneal dialysis
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Min Ji-Won
Kim Su-Hyun
Kim Young-Ok
Jin Dong-Chan
Song Ho-Chul
Choi Euy-Jin
Kim Yong-Lim
Kim Yon-Su
Kang Shin-Wook
Kim Nam-Ho
Yang Chul-Woo
Kim Yong-Kyun
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Abstract
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Background: Uremic pruritus is a common, but unpleasant, complication of end-stage renal disease. The uremic burden may differ between hemodialysis (HD) and peritoneal dialysis (PD) patients. This difference may also change the clinical characteristics of uremic pruritus between the 2 modalities. In this study, we investigated the uremic pruritus between patients on HD and PD.
Methods: A total of 425 HD and 223 PD patients from the Clinical Research Center registry in Korea were included. Patients were assessed for pruritus intensity, scratching activity, pruritus distribution, and frequency of pruritus-related sleep disturbance using the visual analog?scale?and questionnaire.
Results: The prevalence of uremic pruritus was higher in PD patients than that in HD patients (62.6% vs. 48.3%, P?= 0.001). In the multivariable logistic analysis, PD treatment was significantly associated with the prevalence of uremic pruritus (odds ratio, 1.76; 95% confidence interval, 1.20?2.57, P?= 0.004) after adjustment for clinical variables. The visual analog scale score, representing a subjective intensity of itchiness, was significantly higher in PD patients (PD 2.11?±?2.32 vs. HD 1.65?±?2.28, P?= 0.013) compared with HD patients. The intensity of uremic pruritus was independently related with serum albumin levels (β?= ?0.143, P?= 0.006) in HD patients and total weekly Kt/V (β?= ?0.176, P?= 0.028) in PD patients.
Conclusion: Our data demonstrate the difference in prevalence, intensity, and risk factors of uremic pruritus between HD and PD patients. These findings suggest that careful consideration for uremic pruritus might be needed in end-stage renal disease patients according to the dialysis modality.
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KEYWORD
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Hemodialysis, Peritoneal dialysis, Uremic pruritus
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