Impact of self-monitoring of salt intake by salt meter in hypertensive patients: A randomized controlled trial (SMAL-SALT)

被引:8
|
作者
Wiriyatanakorn, Sirichai [1 ]
Mukdadilok, Anucha [2 ]
Kantachuvesiri, Surasak [2 ]
Mekhora, Chusana [3 ]
Yingchoncharoen, Teerapat [1 ]
机构
[1] Mahidol Univ, Ramathibodi Hosp, Fac Med, Div Cardiol,Dept Internal Med, Salaya, Thailand
[2] Mahidol Univ, Ramathibodi Hosp, Fac Med, Div Nephrol,Dept Internal Med, Salaya, Thailand
[3] Kasetsart Univ, Inst Food Res & Prod Dev, Bangkok, Thailand
来源
JOURNAL OF CLINICAL HYPERTENSION | 2021年 / 23卷 / 10期
关键词
hypertension; salt meter; salt; uncontrolled; BLOOD-PRESSURE; URINARY SODIUM; ARTERIAL STIFFNESS; POTASSIUM; EXCRETION; THRESHOLD; ADULTS; TASTE;
D O I
10.1111/jch.14344
中图分类号
R6 [外科学];
学科分类号
1002 ; 100210 ;
摘要
Salt intake over reference level would result in elevated blood pressure (BP) and long-term morbidity. Salt meter is a device used to detect sodium content in daily food. This study aimed to evaluate the efficacy of salt-meter addition to dietary education. The authors conducted a randomized-controlled trial in hypertensive patients with uncontrolled BP (systolic BP >= 140 mmHg or diastolic BP >= 90 mmHg). Patients were randomized to receive salt meter plus dietary education (group A) or education only (group B), and followed up for 8 weeks. The primary endpoint was change in 24-h urinary sodium excretion. Changes in BP, salt taste sensitivity, cardio-ankle vascular index (CAVI) were also analyzed. There were total number of 90 patients who had complete follow-up, 45 in each group. Mean age was 62.9 years and 53% were females. Mean baseline 24-h urine sodium was 151.6 mmol/24 h and mean SBP and DBP were 152.8 and 83.4 mmHg, respectively. Baseline characteristics were similar between two groups. At 8 weeks, mean change in urine sodium were -31.83 mmol/24 h and 0.36 mmol/24 h in group A and group B, respectively (p = .006). Mean decrease in BP were SBP, 14.44 versus 8.22 mmHg (p = .030), and DBP 5.53 versus 1.93 mmHg (p = .032). The salt sensitivity was improved more in group A. There was no different between change in CAVI. From this study, salt meter in conjunction with dietary education, for self-monitoring of salt intake is superior to education alone in hypertensive patients, and provided better blood pressure control. Salt meter should be considered in uncontrolled hypertensive patients.
引用
收藏
页码:1852 / 1861
页数:10
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