Journal
FRONTIERS IN NUTRITION
Volume 9, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fnut.2022.1015290
Keywords
DASH; heart failure; mortality; NHANES; sodium
Categories
Funding
- Taichung Veterans General Hospital, Taichung, Taiwan [TCVGH-1083505C, TCVGH-1093504C, TCVGH-1103502C, TCVGH-1103504C, TCVGH-1107305D]
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This study investigated the association of adherence to the DASH diet with all-cause mortality in patients with heart failure. The findings suggest that a higher DASH score is not associated with all-cause mortality in patients with heart failure.
Background and aimsWe investigated the association of adherence to the Dietary Approaches to Stop Hypertension (DASH) diet with all-cause mortality in patients with a history of heart failure. MethodsWe analyzed data from the National Health and Nutrition Examination Survey (NHANES). Dietary information was obtained from a 24-h dietary recall interview. Adherence to the DASH diet was assessed using the DASH score. The primary outcome was all-cause mortality which was confirmed by the end of 2011. Weighted Cox proportional hazards regression models were used to determine the hazard ratios and 95% CI for the association of the DASH score and all-cause mortality with multivariate adjustment. ResultsThe median DASH score was 2 among the 832 study participants. There were 319 participants who died after a median follow-up duration of 4.7 years. A higher DASH score (>2 vs. <= 2) was not associated with a decrease in the risk of all-cause mortality (adjusted HR 1.003, 95% CI 0.760-1.323, p = 0.983). With respect to the components of the DASH score, a lower sodium intake was not associated with a decreased risk of mortality (adjusted HR 1.045, 95% CI 0.738-1.478, p = 0.803). ConclusionA higher DASH score (>2 vs. <= 2) was not associated with all-cause mortality in patients with heart failure.
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