Cited by 63Dialysis and Renal Disease ManagementParathyroid Disorders and TreatmentsCentral Venous Catheters and Hemodialysis

Kt/Vurea and Nonurea Small Solute Levels in the Hemodialysis Study

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Meyer, Timothy W., Sirich, Tammy L., Fong, Kara D., Plummer, Natalie S., Shafi, Tariq, Hwang, Seungyoung, Banerjee, Tanushree, Zhu, Yunnuo +3 more·2016·Journal of the American Society of Nephrology

Abstract

The Hemodialysis (HEMO) Study showed that high-dose hemodialysis providing a single-pool Kt/V urea of 1.71 provided no benefit over a standard treatment providing a single-pool Kt/V urea of 1.32. Here, we assessed whether the high-dose treatment used lowered plasma levels of small uremic solutes other than urea. Measurements made ≥3 months after randomization in 1281 patients in the HEMO Study showed a range in the effect of high-dose treatment compared with that of standard treatment: from no reduction in the level of p-cresol sulfate or asymmetric dimethylarginine to significant reductions in the levels of trimethylamine oxide (−9%; 95% confidence interval [95% CI], −2% to −15%), indoxyl sulfate (−11%; 95% CI, −6% to −15%), and methylguanidine (−22%; 95% CI, −18% to −27%). Levels of three other small solutes also decreased slightly; the level of urea decreased 9%. All-cause mortality did not significantly relate to the level of any of the solutes measured. Modeling indicated that the intermittency of treatment along with the presence of nondialytic clearance and/or increased solute production accounted for the limited reduction in solute levels with the higher Kt/V urea . In conclusion, failure to achieve greater reductions in solute levels may explain the failure of high Kt/V urea treatment to improve outcomes in the HEMO Study. Furthermore, levels of the nonurea solutes varied widely among patients in the HEMO Study, and achieved Kt/V urea accounted for very little of this variation. These results further suggest that an index only on the basis of urea does not provide a sufficient measure of dialysis adequacy.

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Authors
Meyer, T. W., Sirich, T. L., Fong, K. D., Plummer, N. S., Shafi, T., Hwang, S., Banerjee, T., Zhu, Y., Powe, N. R., Hai, X., & Hostetter, T. H.
Affiliations
  • VA Palo Alto Health Care System (US)
  • Johns Hopkins University (US)
  • University of California, San Francisco (US)
  • Case Western Reserve University (US)
Corresponding author
  • Meyer, Timothy W.
  • Sirich, Tammy L.
  • Fong, Kara D.
  • Plummer, Natalie S.
Venue
Journal of the American Society of Nephrology
Published
2016-03-29
Volume
27
Issue
11
Pages
3469-3478
ISSN
  • 1046-6673 (ISSN-L)
  • 1533-3450
OpenAlex
W2319187512
Cited by
63
References
46
Citations by year
2026: 5 · 2025: 2 · 2024: 3 · 2023: 2 · 2022: 5 · 2021: 6 · 2020: 4 · 2019: 7 · 2018: 13 · 2017: 13 · 2016: 3
FWCI
12.04
Type
journal article
Language
en
Open access
Locations
  • Journal of the American Society of Nephrology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • U.S. Department of Veterans Affairs (IK2 CX001036)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK080123, K23DK083514)
Topics
  • Health Sciences › Medicine › Nephrology › Dialysis and Renal Disease Management
  • Health Sciences › Medicine › Nephrology › Parathyroid Disorders and Treatments
  • Health Sciences › Health Professions › Emergency Medical Services › Central Venous Catheters and Hemodialysis
Keywords
hemodialysis adequacy, Kt/V urea, trimethylamine N-oxide, indoxyl sulfate, p-cresyl sulfate, asymmetric dimethylarginine, methylguanidine, dialysis dose, all-cause mortality, HEMO study, dialysis adequacy index
MeSH terms
Female, Renal Dialysis, Humans, Male, Middle Aged, Urea, Hemodialysis Solutions

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