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Eur J Intern Med ; 119: 109-117, 2024 Jan.
Article in English | MEDLINE | ID: mdl-37648583

ABSTRACT

AIMS: Hyperkalemia often occurs among heart failure (HF) patients, particularly when treated with renin-angiotensin-aldosterone system inhibitors (RAASi). Even modest potassium levels variations raise the risk of mortality and prompt patients to discontinue disease-modifying treatment, as RAASi. Novel potassium binders (NPB), patiromer and sodium zirconium cyclosilicate, are effective in reducing potassium levels and are approved for the treatment of hyperkalemia in HF, but whether their use results in a real optimization of HF treatment remains to be seen. The aim of the present meta-analysis was to assess the efficacy of NPB on the optimization of RAASi therapy in HF patients. METHODS AND RESULTS: PubMed, Web of Science and Clinicaltrial.gov were searched without restrictions from inception to 06 August 2022 to identify valuable articles. The studies that met the inclusion criteria were analyzed. The prespecified primary outcome was the optimization of RAASi therapy in HF patients, defined as the proportion of patients on RAASi at the end of follow-up. Secondary outcomes were hyperkalemia events, reduction in potassium levels, and adverse drugs reactions. Six studies with a total of 1390 patients were included. NPB improved RAASi therapy optimization in HF by 14% (95% CI: 4-26%), decreased hyperkalemia events by 29% (95% CI: 55-92%), and reduced potassium levels by 0.31 mEq/L (95% CI: 0.18-0.44) compared to placebo, maintaining a good safety profile. CONCLUSION: NPB are effective in allowing RAASi therapy optimization in patients affected by HF, in reducing hyperkalemia events and potassium levels. SYSTEMATIC REVIEW REGISTRATION: CRD42022351811 URL: https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=351811.


Subject(s)
Heart Failure , Hyperkalemia , Humans , Heart Failure/drug therapy , Heart Failure/complications , Hyperkalemia/drug therapy , Hyperkalemia/complications , Potassium/blood , Renal Insufficiency, Chronic/complications , Renin-Angiotensin System/drug effects , Silicates/therapeutic use
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