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  • Title: Comparative analysis of visit and home blood pressure in a pilot trial on the effect of 18% sodium substitute salt on blood pressure.
    Author: Liu T, Rao H, Wang M, Xu H, Wang W, Li G, Wang H, Mu L.
    Journal: Sci Rep; 2021 Jan 13; 11(1):907. PubMed ID: 33441669.
    Abstract:
    Aim to compare the home blood pressure monitoring (HBPM) and visit blood pressure monitoring in a clinical phase I single-arm pilot trial. The 18% sodium substitute salt was used in 43 hypertensives for 8 weeks, and visited once a week, while weekly visit blood (VBP) pressure, daily home blood pressure (HBP) and urine test results before and after intervention were collected. 43 hypertensive patients were recruited, 4 were lost. And enrolled 39 patients for analysis. The VBP were lower than morning HBP and night HBP (P < 0.05). And VBP was good correlated with morning BP (SBP: r = 0.692, P < 0.001, DBP: r = 0.789, P < 0.001) and night BP (SBP: r = 0.571, P < 0.001, DBP: r = 0.738, P < 0.001). The results of mixed linear model analysis showed that patients' visit SBP (- 11.4 mmHg, 95% CI: - 17.0 to - 5.7, P < 0.001), morning home SBP (- 10.0 mmHg, 95% CI: - 16.4 to - 3.6, P = 0.003) and night home SBP (- 10.2 mmHg, 95% CI: - 15.8 to - 4.6, P = 0.001) decreased significantly, after intervention. Both HBP and VBP showed that 18% substitute salt intervention could decrease the blood pressure of hypertensives. Medication led to VBP lower than HBP, but the two still had a good correlation.Trial registration: NCT03226327. Registered 21 July 2017-Retrospectively registered, http://www.clinicaltrials.gov .
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