Efficacy and safety analysis of sodium zirconium cyclosilicate and calcium polystyrene sulfonate on rapid reduction of potassium in moderate to severe hyperkalemia patients with chronic kidney disease without dialysis.
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Abstract
Background: Hyperkalemia is a common complication of chronic kidney disease (CKD). This study aims to investigate the efficacy and safety of sodium zirconium cyclosilicate and calcium polystyrene sulfonate in reducing potassium in patients with acute and severe hyperkalemia in CKD who are not undergoing dialysis.
Materials and methods: A retrospective real-world study was conducted among 73 patients with non-dialysis chronic kidney disease who were hospitalized in the First Affiliated Hospital of Chengdu Medical College from June 2020 to June 2022. 33 patients treated with sodium zirconium cyclosilicate were categorized as SZC group, and the other 40 patients treated with calcium polystyrene sulfonate were categorized as CPS group. Serum potassium, serum sodium, magnesium, calcium, and phosphorus levels were examined. Adverse reactions were recorded during medication.
Results: Significantly decreased serum potassium was observed in both groups, whereas the potassium reduction was higher in the SZC group than in the CPS group at 2, 4, 24, and 48 hours after medication while there was no statistically significant difference in the serum potassium level between the two groups at 72 hours. For those people whose initial potassium exceeded 6 mmol/L, the potassium reduction was more obvious in the SZC group than in the CPS group at 2 and 4 hours after medication. The control rate of hyperkalemia in the SZC group was significantly higher than in the CPS group at 4, 24, and 48 hours. No distinct change was observed in serum sodium, calcium, magnesium, and phosphorus before and 72 hours after medication. No severe adverse reactions occurred.
Conclusion: Sodium zirconium cyclosilicate has a more obvious effect on reducing potassium particularly for those patients with moderate to severe hyperkalemia who need rapid potassium reduction.
期刊介绍：
Clinical Nephrology appears monthly and publishes manuscripts containing original material with emphasis on the following topics: prophylaxis, pathophysiology, immunology, diagnosis, therapy, experimental approaches and dialysis and transplantation.
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