Three Gram Sodium Intake is Associated With Longer Event-Free Survival Only in Patients With Advanced Heart Failure

被引:111
|
作者
Lennie, Terry A. [1 ]
Song, Eun Kyeung [2 ]
Wu, Jia-Rong [3 ]
Chung, Misook L. [1 ]
Dunbar, Sandra B. [4 ]
Pressler, Susan J. [5 ]
Moser, Debra K. [1 ]
机构
[1] Univ Kentucky, Coll Nursing, Lexington, KY 40536 USA
[2] Univ Ulsan, Dept Nursing, Coll Med, Ulsan 680749, South Korea
[3] Univ N Carolina, Sch Nursing, Chapel Hill, NC USA
[4] Emory Univ, Sch Nursing, Atlanta, GA 30322 USA
[5] Univ Michigan, Sch Nursing, Ann Arbor, MI 48109 USA
关键词
Diet; sodium restriction; NYHA class; RESTRICTION; DIET; GUIDELINES; ADHERENCE; DIAGNOSIS;
D O I
10.1016/j.cardfail.2010.11.008
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background: There is limited evidence to support the recommendation that patients with heart failure (HF) restrict sodium intake. The purpose of this study was to compare differences in cardiac event-free survival between patients with sodium intake above and below 3 g. Methods: A total of 302 patients with HF (67% male, 62 +/- 12 years, 54% New York Heart Association [NYHA] Class III/IV, ejection fraction 34 +/- 14%) collected a 24-hour urine sodium (UNa) to indicate sodium intake. Patients were divided into 2 groups using a 3-g UNa cutpoint and stratified by NYHA Class (I/II vs. III/IV). Event-free survival for 12 months was determined by patient or family interviews and medical record review. Differences in cardiac event-free survival were determined by Kaplan-Meier survival curve with log-rank test and Cox hazard regression. Results: The Cox regression hazard ratio for 24-hour UNa 3 g in NYHA Class I/II was 0.44 (95% confidence interval [CI] = 0.20-0.97) and 2.54 (95% CI = 1.10-5.84) for NYHA III/IV after controlling for age, gender, HF etiology, body mass index, ejection fraction, and total comorbidity score. Conclusions: These data suggest that 3 g dietary sodium restriction may be most appropriate for patients in NYHA functional Classes III and IV. (J Cardiac Fail 2011;17:325-330)
引用
收藏
页码:325 / 330
页数:6
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