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International Urology and Nephrology

, Volume 49, Issue 12, pp 2217–2221 | Cite as

Evaluation of the tolerability and efficacy of sodium polystyrene sulfonate for long-term management of hyperkalemia in patients with chronic kidney disease

  • Panagiotis I. GeorgianosEmail author
  • Ioannis Liampas
  • Andreas Kyriakou
  • Vasilios Vaios
  • Vasilios Raptis
  • Nikolaos Savvidis
  • Athanasios Sioulis
  • Vassilios Liakopoulos
  • Elias V. Balaskas
  • Pantelis E. Zebekakis
Nephrology - Original Paper

Abstract

Purpose

Sodium polystyrene sulfonate (SPS) is a cation-exchanging resin that has been widely used for several decades as first-line therapy of mild chronic hyperkalemia in patients with chronic kidney disease (CKD). However, evidence to prove the long-term tolerability and efficacy of SPS for the treatment of this condition is still missing.

Methods

In this retrospective, observational study, we enrolled 26 outpatients with stages 3–4 CKD who received oral therapy with low-dose SPS for mild chronic hyperkalemia in the Outpatient Nephrology clinic of our Department during 2010–2016. We obtained medical records on side effects potentially attributable to SPS use, and we analyzed the changes in serum electrolytes before and after the initiation of SPS therapy.

Results

Serum potassium levels fell from 5.9 ± 0.4 to 4.8 ± 0.5 mmol/l (P < 0.001) over a median follow-up of 15.4 months (range 3–27 months). SPS use was associated with a slight, but significant elevation in serum sodium levels (139.5 ± 2.9 vs 141.2 ± 2.4, P = 0.006), whereas serum calcium and phosphate remained unchanged before and after the initiation of SPS. We recorded ten episodes of recurrent serum potassium elevation ≥ 5.5 mmol/l, none of which required hospitalization or acute dialysis. No episode of colonic necrosis or any other serious drug-related adverse event was observed. SPS therapy was well-tolerated, since only 1 out of 26 patients discontinued SPS at 3 months due to gastrointestinal intolerance.

Conclusion

This study suggests that low-dose SPS is well-tolerated and can effectively normalize elevated serum potassium over several weeks in CKD outpatients with mild chronic hyperkalemia.

Keywords

Sodium polystyrene sulfonate Tolerability Efficacy Hyperkalemia CKD 

Notes

Funding

This study was not supported by any source and represents an original effort of our part.

Compliance with ethical standards

Conflict of interest

None relevant to this work.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.

Informed consent

Informed consent was obtained from all individual participants included in the study.

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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Panagiotis I. Georgianos
    • 1
    Email author
  • Ioannis Liampas
    • 1
  • Andreas Kyriakou
    • 1
  • Vasilios Vaios
    • 1
  • Vasilios Raptis
    • 1
  • Nikolaos Savvidis
    • 1
  • Athanasios Sioulis
    • 1
  • Vassilios Liakopoulos
    • 1
  • Elias V. Balaskas
    • 1
  • Pantelis E. Zebekakis
    • 1
  1. 1.Section of Nephrology and Hypertension, 1st Department of Medicine, AHEPA HospitalAristotle University of ThessalonikiThessaloníkiGreece

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