Moderate dose of dietary nitrate improves skeletal muscle microvascular function in patients with peripheral artery disease
Pekas EJ, Anderson CP, Park SY
Published in Microvascular Research
Methodology
Randomized crossover trial of beetroot juice (0.11 mmol/kg dietary nitrate) versus placebo in patients with PAD, measuring skeletal muscle microvascular function, heart rate variability and 6-minute walking distance.
Key Findings
Beetroot juice improved skeletal muscle microvascular function, 6-minute walking distance and exercise recovery, with no change in heart rate variability or pain-free walking distance.
Conclusions
A moderate dose of dietary nitrate acutely improves microvascular function and walking distance in PAD.
Limitations
Very small sample (n = 10); acute crossover design; no long-term outcomes.
Related Health Concerns
Study Details
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Disclosures
Funding
NIH extramural support
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