The Ketogenic Diet in the Prevention and Treatment of Hypertension (HTN)
Abstract
Hypertension (HTN) is one of the greatest public health challenges of the 21st century. Its prevalence has reached alarming levels in recent decades. The search for effective prevention and treatment strategies includes lifestyle choices, such as dietary interventions. Although not applicable to everyone, particularly interesting in this context is the ketogenic diet (KD), known to clinicians and also applied in epilepsy treatment for over a century. Its possible beneficial effects are increasingly often reported in many other conditions, including HTN. The aim of the present study is to analyse the effect of a KD on blood pressure, and the mechanisms that may modulate that effect. Based on the available literature, key potential pathways of the influence of a KD on blood pressure regulation have been identified: (1) reduced body weight; (2) reduced visceral adipose tissue; (3) improved insulin sensitivity; (4) improved water and electrolyte balance; and (5) anti-inflammatory effect. Meta-analyses and randomised controlled trials consistently indicate that ketogenic dietary interventions are associated with reductions in blood pressure, although the magnitude of the effect varies considerably depending on the ketogenic diet model, study population, and comparator. In light of these observations, it has been found that in patients undergoing pharmacological treatment, it may be necessary to appropriately reduce antihypertensive medication dosage in advance. To maximise the…
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