Research Articles (Natural Medicine)

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Browsing by Subject "Blood pressure"

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    The efficacy of zingiber officinale on dyslipidaemia, blood pressure, and inflammation as cardiovascular risk factors: A systematic review
    (Clinical Nutrition ESPEN, 2022) Daniels, Chelsea Courtney; Isaacs, Zaiyaan; Leisegang, Kristian; Finelli, Renata
    Background & aims: Hypertension, dyslipidaemia, and chronic inflammation contribute to the development of cardiovascular disease (CVD). Zingiber officinale has been suggested to reduce these CVD risk factors; however, the clinical evidence remains unclear. This systematic review aims to analyse the effect of Z. officinale as a sole intervention on these risk factors. Methods: In this PRISMA-based systematic review, we included randomised clinical trials from PubMed, Scopus and Cochrane Database of Systematic Reviews (July 2020) analysing triglycerides, low- and highdensity lipoprotein (LDL, HDL), total cholesterol, C-reactive protein (CRP), tumor necrosis factor-alpha (TNF-a), interleukin 1, 6, 10, systolic and/or diastolic blood pressure as outcomes. Quality of studies was evaluated by JADAD and the Cochrane risk-of-bias tools. Results: A total of 24 studies were included, mostly (79.2%) showing low risk of bias. These were based on obesity and cardio-metabolic derangements (33.3%), type 2 diabetes mellitus (37.5%), and miscellaneous conditions (29.2%). While total cholesterol and triglycerides levels mostly improved after Z. officinale, results were inconsistent for other blood lipids markers. Inflammatory markers (CRP, TNF-a) were more consistently reduced by Z. officinale, while only 3 studies reported a non-significant reduction of blood pressure. Conclusions: Although there remains a paucity of studies, Z. officinale may be beneficial for improving dyslipidaemia and inflammation.