Why the study?
Does a 15-day low-sodium diet alter neurohumoral activity and renal dopaminergic response in patients with mild-to-moderate stable heart failure (LVEF <40%)?
Does a 15-day low-sodium diet alter neurohumoral activity and renal dopaminergic response in patients with mild-to-moderate stable heart failure (LVEF <40%)?
Short-term sodium restriction in HFrEF patients activates antinatriuretic and antidiuretic systems while increasing renal dopamine synthesis as a likely counter-regulatory mechanism.
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May activate counter-regulatory neurohormones in stable HFrEF; hypothesis-generating and leaves open optimal dietary sodium targets.
Alvelos et al. (2004) studied this question.
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