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Published on: November 11, 2022
Hyperkalemia in patients with heart failure: incidence, prevalence, and management
1Advanced Heart Disease Section, PBB-A3-AB370, Cardiovascular Division, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA. adesai@partners.org
Insights
Heart failure medications improve outcomes but can raise potassium levels, leading to dangerous hyperkalemia. Careful patient selection and monitoring are crucial for safe and effective treatment.
Area of Science:
- Cardiology
- Nephrology
- Pharmacology
Background:
- Multilevel neurohormonal inhibition is standard for heart failure (HF).
- Key HF medications include ACE inhibitors, beta-blockers, ARBs, and aldosterone antagonists.
- These therapies improve HF morbidity and mortality but risk hyperkalemia.
Purpose of the Study:
- To review the mechanisms, incidence, predictors, and management of hyperkalemia in heart failure patients.
- To emphasize the importance of patient selection and monitoring during HF pharmacotherapy.
Main Methods:
- Literature review focusing on hyperkalemia in heart failure.
- Analysis of factors contributing to impaired potassium excretion in HF patients.
- Discussion of clinical strategies for managing hyperkalemia.
Main Results:
- Hyperkalemia is a significant risk in HF patients, especially those with comorbidities like diabetes or chronic kidney disease.
- Impaired renal function and advanced age increase hyperkalemia risk.
- Optimal dosing and regular monitoring of potassium and creatinine are vital.
Conclusions:
- Effective HF management requires balancing therapeutic benefits with hyperkalemia risks.
- Careful patient selection and vigilant monitoring are essential for preventing and managing hyperkalemia.
- This approach ensures safer and more effective heart failure treatment.
Abstract:
Multilevel inhibition of neurohormonal activation using angiotensin-converting enzyme inhibitors, beta-blockers, angiotensin receptor blockers, and aldosterone antagonists is the cornerstone of modern heart failure treatment. Use of these agents in optimal doses is associated with significant improvements in heart failure-associated morbidity and mortality but also may increase serum potassium. Because potassium excretion already is impaired in many heart failure patients because of advanced age, diabetes, or chronic kidney disease, the risk of life-threatening hyperkalemia during treatment is significant. This review discusses the mechanisms, incidence, predictors, and management of hyperkalemia in heart failure, emphasizing the importance of careful patient selection for medical treatment and regular surveillance of potassium and creatinine.
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