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Published on: November 11, 2022
Hyperkalemia: Prevalence, Predictors and Emerging Treatments
Natasha L Larivée1,2, Jacob B Michaud1,2, Keigan M More1
1Dalhousie University and Nova Scotia Health, 5820 University Avenue, Halifax, NS, B3H 1V8, Canada.
Insights
Elevated potassium levels (hyperkalemia) increase risks for patients with chronic conditions. This review covers hyperkalemia management, balancing renin-angiotensin-aldosterone system inhibitor benefits with risks.
Area of Science:
- Nephrology
- Cardiology
- Endocrinology
Background:
- Hyperkalemia, or elevated potassium, is linked to increased morbidity, mortality, and healthcare costs.
- It frequently occurs in patients with chronic kidney disease, diabetes, and heart failure.
- Renin-angiotensin-aldosterone system inhibitors (RAASi), crucial for managing these conditions, can elevate potassium levels.
Purpose of the Study:
- To review the definition, causes, epidemiology, and consequences of hyperkalemia.
- To focus on contemporary management strategies for hyperkalemia in both acute and chronic settings.
- To discuss evolving data on dietary modifications and novel potassium binders.
Main Methods:
- Literature review of hyperkalemia definition, causes, and consequences.
- Analysis of current and emerging hyperkalemia management approaches.
- Evaluation of evidence regarding dietary potassium restriction and new potassium binders.
Main Results:
- Hyperkalemia poses significant risks, particularly in patients with common chronic diseases.
- Optimizing RAASi treatment requires careful balancing with hyperkalemia risk mitigation.
- Dietary management and novel potassium binders represent evolving strategies.
Conclusions:
- Effective hyperkalemia management is essential for optimizing patient care, especially those on RAASi.
- A comprehensive approach integrating risk assessment, monitoring, and therapeutic interventions is necessary.
- Further research into dietary interventions and novel binders will refine clinical practice.
Abstract:
It is well established that an elevated potassium level (hyperkalemia) is associated with a risk of adverse events including morbidity, mortality and healthcare system cost. Hyperkalemia is commonly encountered in many chronic conditions including kidney disease, diabetes and heart failure. Furthermore, hyperkalemia may result from the use of renin-angiotensin-aldosterone system inhibitors (RAASi), which are disease-modifying treatments for these conditions. Therefore, balancing the benefits of optimizing treatment with RAASi while mitigating hyperkalemia is crucial to ensure patients are optimally treated. In this review, we will briefly discuss the definition, causes, epidemiology and consequences of hyperkalemia. The majority of the review will be focused on management of hyperkalemia in the acute and chronic setting, emphasizing contemporary approaches and evolving data on the relevance of dietary restriction and the use of novel potassium binders.
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