Ju, Yang, Zhang, Chenglin, Zhang, Zhirong, Zhu, Hongying, Liu, Yuanyuan, OJO, Ting, Ojo, Omorogieva ORCID: 0000-0003-0071-3652 , Qiu, Jingbo and wang, xiaohua (2022) Effect of dietary fiber (oat bran) supplement in heart rate lowering in patients with hypertension: a randomized DASH-Diet-Controlled clinical trial. Nutrients, 14 (15):3148. ISSN 2072-6643 (Online) (doi:https://doi.org/10.3390/nu14153148)

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Abstract

(1) Background: The management goal for patients with essential hypertension (HTN) is not only to lower blood pressure (BP), but also to control increased heart rate (HR). In a previous study, it was found that dietary fiber (DF) supplementation can effectively reduce BP in patients with HTN. The aim of this study was to determine whether a DF supplement can lower HR in patients with HTN. (2) Methods: Seventy patients who met the inclusion and exclusion criteria were randomly allocated into the control group (n = 34) and the intervention group (n = 36). The regular DASH dietary care was delivered to both groups of patients. In addition, one bag of oat bran (30 g/d, containing DF 8.9 g) was delivered to the intervention group. The 24 h ambulatory heart rate was measured at baseline and 3 months. (3) Results: At 3 months, the 24 h maximum heart rate (24h maxHR) in the intervention group was significantly lower than that in the control group. After the intervention, within-group comparisons in the intervention group revealed that there were significant reductions in the 24 h average heart rate (24h aveHR), 24h maxHR, average heart rate during day time (D-aveHR), minimum heart rate during day time (D-minHR), and maximum heart rate during day time (D-maxHR). Similar differences were not found in the control group. (4) Conclusions: Dietary fiber (oat bran) supplementation might be beneficial in lowering HR in patients with HTN.

Item Type:	Article
Uncontrolled Keywords:	hypertension; dietary fiber; heart rate
Subjects:	Q Science > Q Science (General)
Faculty / School / Research Centre / Research Group:	Faculty of Education, Health & Human Sciences Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development Faculty of Education, Health & Human Sciences > Institute for Lifecourse Development > Centre for Chronic Illness and Ageing
Related URLs:	Publisher
Last Modified:	10 Aug 2022 13:29
URI:	http://gala.gre.ac.uk/id/eprint/37117

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