Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study
Background: Factors contributing to erythropoietin (EPO) hyporesponsiveness in patients on long-term continuous ambulatory peritoneal dialysis are not well understood. Therefore, we investigated the factors contributing to EPO hyporesponsiveness using the EPO resistance index (ERI). Methods: A total...
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doaj-551ac25c5d424ff585c562f562bb900a2020-11-24T22:40:40ZengKarger PublishersNephron Extra1664-55292015-10-0153798610.1159/000441154441154Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional StudyTakashi HaraHideyuki MukaiTakafumi NakashimaRikako SagaraMasahide FurushoShuhei MiuraJiro ToyonagaKoji SugawaraKazuhito TakedaBackground: Factors contributing to erythropoietin (EPO) hyporesponsiveness in patients on long-term continuous ambulatory peritoneal dialysis are not well understood. Therefore, we investigated the factors contributing to EPO hyporesponsiveness using the EPO resistance index (ERI). Methods: A total of 14 patients (7 males and 7 females, age 65.0 ± 11.9 years) were selected for this study. We defined ERI as the weekly dose of EPO per body weight divided by hemoglobin (U/kg/g/dl/week). Bioelectrical impedance analysis was used to assess the patients' body composition and fluid status. We examined associations between ERI and clinical parameters, such as physiological, chemical and nutrition status, by correlation and multiple linear regression analyses. Results: Peritoneal dialysis duration was 95 ± 23 months, and all patients underwent peritoneal dialysis for >5 years. Hemoglobin, blood pressure and ultrafiltration volume of peritoneal dialysis were 11.5 ± 1.2 g/dl, 123 ± 14/72 ± 8 mm Hg and 834 ± 317 ml/day, respectively. Renal Kt/V and peritoneal Kt/V, which are indices of dialysis adequacy, were 0.32 ± 0.31 and 1.70 ± 0.31, respectively. Age and extracellular water/total body water (ECW/TBW) ratio had significant positive correlations with ERI (both p Conclusions: This study demonstrates that ECW/TBW was a factor contributing to ERI and that appropriate maintenance of body fluid volume could contribute to low EPO dosing.http://www.karger.com/Article/FullText/441154Extracellular water/total body waterErythropoietin hyporesponsivenessErythropoietin resistance indexLong-term continuous ambulatory peritoneal dialysis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Takashi Hara Hideyuki Mukai Takafumi Nakashima Rikako Sagara Masahide Furusho Shuhei Miura Jiro Toyonaga Koji Sugawara Kazuhito Takeda |
spellingShingle |
Takashi Hara Hideyuki Mukai Takafumi Nakashima Rikako Sagara Masahide Furusho Shuhei Miura Jiro Toyonaga Koji Sugawara Kazuhito Takeda Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study Nephron Extra Extracellular water/total body water Erythropoietin hyporesponsiveness Erythropoietin resistance index Long-term continuous ambulatory peritoneal dialysis |
author_facet |
Takashi Hara Hideyuki Mukai Takafumi Nakashima Rikako Sagara Masahide Furusho Shuhei Miura Jiro Toyonaga Koji Sugawara Kazuhito Takeda |
author_sort |
Takashi Hara |
title |
Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study |
title_short |
Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study |
title_full |
Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study |
title_fullStr |
Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study |
title_full_unstemmed |
Factors Contributing to Erythropoietin Hyporesponsiveness in Patients on Long-Term Continuous Ambulatory Peritoneal Dialysis: A Cross-Sectional Study |
title_sort |
factors contributing to erythropoietin hyporesponsiveness in patients on long-term continuous ambulatory peritoneal dialysis: a cross-sectional study |
publisher |
Karger Publishers |
series |
Nephron Extra |
issn |
1664-5529 |
publishDate |
2015-10-01 |
description |
Background: Factors contributing to erythropoietin (EPO) hyporesponsiveness in patients on long-term continuous ambulatory peritoneal dialysis are not well understood. Therefore, we investigated the factors contributing to EPO hyporesponsiveness using the EPO resistance index (ERI). Methods: A total of 14 patients (7 males and 7 females, age 65.0 ± 11.9 years) were selected for this study. We defined ERI as the weekly dose of EPO per body weight divided by hemoglobin (U/kg/g/dl/week). Bioelectrical impedance analysis was used to assess the patients' body composition and fluid status. We examined associations between ERI and clinical parameters, such as physiological, chemical and nutrition status, by correlation and multiple linear regression analyses. Results: Peritoneal dialysis duration was 95 ± 23 months, and all patients underwent peritoneal dialysis for >5 years. Hemoglobin, blood pressure and ultrafiltration volume of peritoneal dialysis were 11.5 ± 1.2 g/dl, 123 ± 14/72 ± 8 mm Hg and 834 ± 317 ml/day, respectively. Renal Kt/V and peritoneal Kt/V, which are indices of dialysis adequacy, were 0.32 ± 0.31 and 1.70 ± 0.31, respectively. Age and extracellular water/total body water (ECW/TBW) ratio had significant positive correlations with ERI (both p Conclusions: This study demonstrates that ECW/TBW was a factor contributing to ERI and that appropriate maintenance of body fluid volume could contribute to low EPO dosing. |
topic |
Extracellular water/total body water Erythropoietin hyporesponsiveness Erythropoietin resistance index Long-term continuous ambulatory peritoneal dialysis |
url |
http://www.karger.com/Article/FullText/441154 |
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