Key result
Plant-based diets lower systolic blood pressure by ~7 mm Hg in chronic kidney disease.
Why the study?
Do plant-based dietary interventions reduce blood pressure in adults with chronic kidney disease?
Meta-Analysis
Do plant-based dietary interventions reduce blood pressure in adults with chronic kidney disease?
Answers are grounded in this paper and cite their sources.
Plant-based diets are associated with a meaningful reduction in both systolic and diastolic blood pressure in adults with chronic kidney disease.
Hypertension frequently complicates chronic kidney disease (CKD) and accelerates its progression. We performed a systematic review and meta-analysis of studies examining blood pressure (BP) outcomes in adults with CKD following plant-based dietary interventions, including randomized controlled trials (RCTs) and observational studies from 2014 to 2024. Of 2,259 studies screened, 29 met the inclusion criteria. Meta-analysis of 6 RCTs (533 patients) showed that PBDs reduced systolic BP by 6.97 mm Hg (P < .0001), and analysis of 4 RCTs (317 patients) showed a reduction in diastolic BP by 1.48 mm Hg (P = .041). The systolic reduction correlated with intervention duration (P = .036). Despite significant heterogeneity between studies and limited RCTs with complete data, our findings suggest a meaningful reduction in systolic and diastolic BP associated with plant-based diets (PBDs).
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Borick et al. (2025) conducted a meta-analysis in Chronic kidney disease. Plant-based diets was evaluated on Systolic blood pressure (6.97 mm Hg reduction, p=<.0001). Plant-based diets reduced systolic blood pressure by 6.97 mm Hg and diastolic blood pressure by 1.48 mm Hg in adults with chronic kidney disease.
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