Effects of Low-Sodium Salt on Death, HF Hospitalization/ Emergency Department Visits and Quality of Life in HF Patients

Summary

This study aims to investigate whether using a low-sodium substitute salt can help improve outcomes for patients with heart failure. Specifically, it will examine if the low-sodium substitute salt can reduce death rates, hospital readmissions, and emergency visits, as well as improve the quality of life for these patients.

Eligibility

Inclusion Criteria:

1. Aged between 18 and 75 years;
2. Hospitalized due to heart failure in the past year;
3. NYHA functional class II-III;
4. Echocardiographic evidence of LVEF \< 40% within the past 6 months;
5. Receiving guideline-directed medical therapy for heart failure;
6. Stable heart failure status, defined as heart failure stability for more than 4 weeks, with no increase in diuretic dose within the past 4 weeks;
7. Having a primary caregiver and frequently dining together at home;
8. Consuming commercially processed food no more than once a week;
9. Providing written informed consent.

Exclusion Criteria:

1. End-stage heart failure;
2. Hospitalization due to cardiovascular causes within the past month;
3. Uncorrected hyponatremia (Na \< 130 mmol/L);
4. Dialysis-dependent patients, or eGFR \< 20 mL/min/1.73m²;
5. Uncontrolled hyperglycemia, with fasting blood glucose \> 16 mmol/L;
6. Malignant cancer patients with a life expectancy of less than 1 year;
7. Conditions that, in the investigator's opinion, may interfere with adherence to the protocol, such as habitual reliance on takeout meals or dining at company cafeterias;
8. Planned hospitalization during the study period;
9. Unexplained weight loss greater than 5 kg in the past year;
10. The subject or family members have concerns about using the salt substitute in this study, or are planning for pregnancy, pregnant, or breastfeeding;
11. Another family member is already participating in this study;
12. The subject or family members are participating in other interventional clinical trials.

Conditions3

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