Xiao Gu1, Dong D Wang1,2, Teresa T Fung3, Dariush Mozaffarian4, Luc Djoussé5, Bernard Rosner2, Frank M Sacks1, Walter C Willett1. 1. Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA. 2. Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA. 3. Department of Nutrition, Simmons University, Boston, MA, USA. 4. Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA. 5. Division of Aging, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.
Abstract
BACKGROUND: Due to the increasing disease burden, strategies to predict and prevent heart failure (HF) are urgently needed. OBJECTIVE: We aimed to investigate whether the Alternative Healthy Eating Index (AHEI) and the clinically abbreviated Prime Diet Quality Score (PDQS) are associated with the risk of overall HF, HF with preserved ejection fraction (HFpEF), and HF with reduced ejection fraction (HFrEF). METHODS: Our study included 44,525 men from the Health Professionals Follow-up Study (HPFS) who were free from cardiovascular disease and cancer at baseline. The AHEI and PDQS were computed based on dietary data repeatedly measured using semiquantitative FFQs. HF, HFpEF, and HFrEF were adjudicated based on review of medical records through 2008. Associations of diet quality with incident HF were estimated with multivariate-adjusted Cox proportional hazards models. RESULTS: During 929,911 person-years of follow-up, 803 HF cases were documented, including 184 with HFpEF and 181 with HFrEF among those with ejection fraction (EF) data. Adjusting for potential confounders, we did not observe a significant association between the AHEI and overall HF (HR per SD: 0.96; 95% CI: 0.89, 1.04; P-trend = 0.57) or between the PDQS and overall HF (HR per SD: 0.98; 95% CI: 0.91, 1.06; P-trend = 0.82). Both dietary indices were not significantly associated with HFpEF. However, a higher AHEI was associated with lower risk of HFrEF upon comparison of the extreme quintiles (HR per SD: 0.81; 95% CI: 0.69, 0.96; P-trend = 0.02). Every SD increment in the PDQS was associated with 20% lower risk of HFrEF (HR per SD: 0.80; 95% CI: 0.68, 0.95; P-quadratic = 0.03). CONCLUSIONS: A healthy overall diet was associated with lower risk of HFrEF, and associations were similar with the AHEI and PDQS. We did not observe a significant association between dietary indices and either overall HF or HFpEF.
BACKGROUND: Due to the increasing disease burden, strategies to predict and prevent heart failure (HF) are urgently needed. OBJECTIVE: We aimed to investigate whether the Alternative Healthy Eating Index (AHEI) and the clinically abbreviated Prime Diet Quality Score (PDQS) are associated with the risk of overall HF, HF with preserved ejection fraction (HFpEF), and HF with reduced ejection fraction (HFrEF). METHODS: Our study included 44,525 men from the Health Professionals Follow-up Study (HPFS) who were free from cardiovascular disease and cancer at baseline. The AHEI and PDQS were computed based on dietary data repeatedly measured using semiquantitative FFQs. HF, HFpEF, and HFrEF were adjudicated based on review of medical records through 2008. Associations of diet quality with incident HF were estimated with multivariate-adjusted Cox proportional hazards models. RESULTS: During 929,911 person-years of follow-up, 803 HF cases were documented, including 184 with HFpEF and 181 with HFrEF among those with ejection fraction (EF) data. Adjusting for potential confounders, we did not observe a significant association between the AHEI and overall HF (HR per SD: 0.96; 95% CI: 0.89, 1.04; P-trend = 0.57) or between the PDQS and overall HF (HR per SD: 0.98; 95% CI: 0.91, 1.06; P-trend = 0.82). Both dietary indices were not significantly associated with HFpEF. However, a higher AHEI was associated with lower risk of HFrEF upon comparison of the extreme quintiles (HR per SD: 0.81; 95% CI: 0.69, 0.96; P-trend = 0.02). Every SD increment in the PDQS was associated with 20% lower risk of HFrEF (HR per SD: 0.80; 95% CI: 0.68, 0.95; P-quadratic = 0.03). CONCLUSIONS: A healthy overall diet was associated with lower risk of HFrEF, and associations were similar with the AHEI and PDQS. We did not observe a significant association between dietary indices and either overall HF or HFpEF.
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