Higher dietary lycopene intake is associated with longer cardiac event-free survival in patients with heart failure

被引:10
|
作者
Biddle, Martha [1 ]
Moser, Debra [1 ]
Song, Eun Kyeung [2 ]
Heo, Seongkum [3 ]
Payne-Emerson, Heather [4 ]
Dunbar, Sandra B. [5 ]
Pressler, Susan [6 ]
Lennie, Terry [1 ]
机构
[1] Univ Kentucky, Coll Nursing, Lexington, KY 40536 USA
[2] Univ Ulsan, Dept Nursing, Coll Med, Ulsan, South Korea
[3] Univ Arkansas Med Sci, Coll Nursing, Little Rock, AR 72205 USA
[4] Murray State Univ, Dept Wellness & Therapeut Sci, Murray, KY USA
[5] Emory Univ, Nell Hodgson Woodruff Sch Nursing, Atlanta, GA 30322 USA
[6] Univ Michigan, Coll Nursing, Ann Arbor, MI 48109 USA
关键词
Lycopene; antioxidants; heart failure; sodium; CHARLSON COMORBIDITY INDEX; OXIDATIVE STRESS; LIPID PROFILE; SODIUM INTAKE; TOMATO JUICE; VITAMIN-C; DISEASE; RISK; SUPPLEMENTATION; PREVENTION;
D O I
10.1177/1474515112459601
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: The antioxidant lycopene may be beneficial for patients with heart failure (HF). Processed tomato products are a major source of lycopene, although they are also high in sodium. Increased sodium intake may counter the positive antioxidant effect of lycopene. Methods: This was a prospective study of 212 patients with HF. Dietary intake of lycopene and sodium was obtained from weighted 4-day food diaries. Patients were grouped by the median split of lycopene of 2471 mu g/day and stratified by daily sodium levels above and below 3 g/day. Patients were followed for 1 year to collect survival and hospitalization data. Cox proportional hazards modeling was used to compare cardiac event-free survival between lycopene groups within each stratum of sodium intake. Results: Higher lycopene intake was associated with longer cardiac event-free survival compared with lower lycopene intake (p = 0.003). The worst cardiac event-free survival was observed in the low lycopene intake group regardless of sodium intake (> 3 g/day HR = 3.01; p = 0.027 and <= 3 g/day HR= 3.34; p = 0.023). Conclusion: These findings suggest that increased lycopene intake has the potential to improve cardiac event-free survival in patients with HF independent of sodium intake.
引用
收藏
页码:377 / 384
页数:8
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