https://www.mdlinx.com/internal-medicine/medical-news-article/2017/05/04/dietary-approaches-blood-pressure-hypertensive-prehypertensive/7161249/?
BMJ Open
Schwingshackl L, et al.
This study is formulated to
gauge the efficacy of varied dietary approaches on systolic and
diastolic blood pressure, in patients with hypertension and high normal
blood pressure. The patients are advised to embrace this dietary
guideline: Increased consumption of fresh fruits, vegetables, low–fat
dairy products and sodium reduction.
- The data is extracted from Cochrane Central Register of Controlled Trials in the Cochrane Library, PubMed and Google Scholar until November 2016.
- Citations, abstracts and relevant papers will be scrutinized for eligibility by two reviewers independently.
- The inclusion criteria is set as:
- (1) Hypertension (as mean values ≥140 mm Hg systolic blood pressure and/or ≥90 mm Hg diastolic blood pressure) or high normal blood pressure (mean systolic blood pressure ≥130 mm Hg and/or mean diastolic blood pressure ≥85 mm Hg).
- (2) age ≥18 years.
- (3) intervention diets (different type of dietary approaches, eg, dietary approach to stop hypertension diet; Mediterranean diet, vegetarian diet, palaeolithic diet, low sodium diet) either hypocaloric, isocaloric or ad libitum diets.
- (4) intervention period ≥12 weeks.
- For each outcome measure of interest, random effects pairwise and network meta-analyses are to be conducted.
- This will investigate the cumulative, considerable effect of each intervention relative to every other intervention, with regard to the postintervention values (or change scores).
- Subgroup analyses are to involve hypertensive status, study length, sample size, age and sex.
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