Dietary Sodium Restriction for Heart Failure: A Systematic Review of Intervention Outcomes and Behavioral Determinants

The American Journal of Medicine
Marissa BurgermasterDavid Seres

Abstract

The 1500mg/day dietary sodium-restriction commonly recommended for patients with heart failure has recently been questioned. Poor adherence to sodium restricted diets makes assessing the efficacy of sodium restriction challenging. Therefore, successful behavioral interventions are needed. We reviewed sodium restriction trials and descriptive studies of sodium restriction to: 1) determine if sodium restriction was achieved in interventions among heart failure patients; and 2) characterize predictors of successful dietary sodium restriction. Among 638 identified studies, 10 intervention trials and 25 descriptive studies met inclusion criteria. We used content analysis to extract information about sodium restriction and behavioral determinants of sodium restriction. Dietary sodium was reduced in seven trials; none achieved 1500 mg/day (range=1938-4564mg/day). The interventions implemented in the interventional trials emphasized knowledge, skills, and self-regulation strategies, but few addressed the determinants correlated with successful sodium restriction in the descriptive studies (e.g., social/cultural norms, social support, taste preferences, food access, self-efficacy). Findings suggest incorporating determinants predictive ...Continue Reading

Citations

Jun 25, 2021·Circulation Journal : Official Journal of the Japanese Circulation Society·Takafumi NakajimaHitoshi Adachi

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