"Risk factors for rapid recurrence of hyperkalemia following cessation " by Teruhiko Imamura, Nikhil Narang et al.
 

Risk factors for rapid recurrence of hyperkalemia following cessation of sodium zirconium cyclosilicate

Affiliations

Advocate Christ Medical Center

Abstract

Background: Sodium zircon`ium cyclosilicate (SZC), a recently introduced potassium binder, is indicated to treat hyperkalemia. SZC is often terminated soon after the normalization of hyperkalemia in real-world clinical practice. We aimed to investigate the risk factors for the rapid recurrence of hyperkalemia following cessation of SZC.

Methods: Patients in whom SZC was discontinued following an improvement in hyperkalemia were followed up for three months. The baseline characteristics that were associated with the rapid recurrence of hyperkalemia (>5.0 mEq/L of serum potassium levels within 3 months) were investigated.

Results: A total of 44 patients terminated SZC following the normalization of hyperkalemia. The median age was 81 (69, 87) years old, and 59% were men. When evaluating baseline characteristics, a higher dose of renin-angiotensin system inhibitors was significantly associated with the recurrence of hyperkalemia (adjusted hazard ratio of 1.26, 95% confidence interval 1.02-1.69, p = 0.045) at a designated cutoff of 2.5 mg/day of equivalent enalapril dose.

Conclusions: SZC should be considered for ongoing continuation after normalization of hyperkalemia, particularly in patients receiving a relatively higher dose of renin-angiotensin system inhibitors.

Document Type

Article

PubMed ID

36498671


 

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