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Alexander Sarnowski, Rouvick M Gama, Alec Dawson, Hannah Mason, Debasish Banerjee Department of Renal Medicine and Transplantation, St George’s NHS University Hospitals NHS Foundation Trust, London, UKCorrespondence: Debasish Banerjee, Department of Renal Medicine and Transplantation, St George’s NHS University Hospitals NHS Foundation Trust, Blackshaw Road, SW170QT, London, United Kingdom, Tel +44 2087151673, Email Debasish.Banerjee@stgeorges.nhs.ukAbstract: Hyperkalemia is a common clinical problem with potentially fatal consequences. The prevalence of hyperkalemia is increasing, partially due to wide-scale utilization of prognostically beneficial medications that inhibit the renin-angiotensin-aldosterone-system (RAASi). Chronic kidney disease (CKD) is one of the multitude of risk factors for and associations with hyperkalemia. Reductions in urinary potassium excretion that occur in CKD can lead to an inability to maintain potassium homeostasis. In CKD patients, there are a variety of strategies to tackle acute and chronic hyperkalemia, including protecting myocardium from arrhythmias, shifting potassium into cells, increasing potassium excretion from the body, addressing dietary intake and treating associated conditions, which may exacerbate problems such as metabolic acidosis. The evidence base is variable but has recently been supplemented with the discovery of novel oral potassium binders, which have shown promise and efficacy in studies. Their use is likely to become widespread and offers another tool to the clinician treating hyperkalemia. Our review article provides an overview of hyperkalemia in CKD patients, including an exploration of relevant guidelines and nuances around management.Keywords: CKD, electrolytes, hyperkalemia, potassium, RAAS |
