Heart failure & cardiomyopathies

The relationship of diuretics and dietary sodium in patients with heart failure: an analysis of the SODIUM-HF trial

Am Heart JPublished Secondary analysis of the SODIUM-HF randomised trial

Authors' conclusion

Although a higher baseline diuretic dose was associated with worse clinical outcomes, no association was found between dietary sodium restriction, baseline or change in diuretic dose and the primary outcomes.

Study context

Population
Patients with HF in the SODIUM-HF trial784 with known diuretic status
Participants
806 patients
Comparison
Dietary sodium restriction vs usual care, by furosemide-equivalent diuretic dose
  • 0mgn = 209
  • 1mg to 39mgn = 134
  • 40mgn = 205
  • 41mg to 80mgn = 118
  • > 80mgn = 118
Primary endpoint
CV-related ED visit, CV-related hospitalization and all-cause mortality
Follow-up
2-year

Primary result

As reported in the abstract

Risk of primary outcomes strongly correlated with baseline diuretic dose
P < 0.001
No significant association between treatment arm and risk of primary outcomes, within each baseline dose range or with change in dose
P > 0.05

Further findings

Correlation of dietary sodium intake with diuretic dose

No correlation at baseline or with change throughout the study
P > 0.05

Original publication

The relationship of diuretics and dietary sodium in patients with heart failure: an analysis of the SODIUM-HF trial. Am Heart J. Published 4 December 2024. doi:10.1016/j.ahj.2024.11.019

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