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Adherence to a sodium‐restricted diet is associated with lower symptom burden and longer cardiac event‐free survival in patients with heart failure

Youn‐Jung Son, Yongjik Lee and Eun Kyeung Song

Journal of Clinical Nursing, 2011, vol. 20, issue 21‐22, 3029-3038

Abstract: Aim. To determine whether adherence to a sodium‐restricted diet affects symptom burden and cardiac event‐free survival in patients with heart failure. Background. The recommendation of an sodium‐restricted diet is a standard component of HF management. Therefore, it is important to investigate whether adherence to sodium‐restricted diet is actually associated with improvements in symptom burden and cardiac event‐free survival. Design. A prospective cohort study. Methods. A total of 232 patients [71% male, 65 ± 10 years, 63% New York Heart Association (NYHA) class III/IV, ejection fraction (EF) 30 ± 9%] with HF received 24‐hour urinary sodium excretion (24‐hr UNa) assessments and were divided into two groups using a cut‐off value of 3 g 24‐hr UNa. Symptom burden, including the frequency and severity of heart failure symptoms, was assessed according to the modified Memorial Symptom Assessment Scale‐Heart Failure with a higher score indicating a greater symptom burden. Cardiac event‐free survival over a 12‐month period was determined by reviewing medical records. Results. Patients with 24‐hr UNa ≥ 3 g exhibited greater symptom burdens (β = 0·23, p

Date: 2011
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https://doi.org/10.1111/j.1365-2702.2011.03755.x

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