Sodium nitrate supplementation improves blood pressure reactivity in patients with peripheral artery disease.
Sodium nitrate supplementation improves blood pressure reactivity in patients with peripheral artery disease.
复制标题
补充硝酸钠可改善外周动脉疾病患者的血压反应性。
DOI:
10.1016/j.numecd.2021.12.002
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发表时间:
2022-03
期刊:
影响因子:
--
通讯作者:
Casey DP
中科院分区:
文献类型:
--
作者:
Hughes WE;Treichler DP;Ueda K;Bock JM;Casey DP
Peripheral artery disease (PAD) is characterized by elevated blood pressure (BP), low nitric oxide availability (NO), and exaggerated pressor responses to sympatho-excitatory stressors. Inorganic nitrate reduces peripheral BP in healthy and chronically diseased populations. The objective of this study was to investigate the effects of eight-weeks of sodium nitrate (NaNO3) supplementation on indices of BP in PAD patients. 21 patients with PAD were recruited to participate in this study, undergoing 8-weeks of NaNO3 (n=13; 73±9 years) or placebo (n=8; 69±10 years) supplementation. BP responsiveness to a cold pressor test (CPT) were examined prior to and following the supplementation period. The systolic BP response (change from rest) during the first (26±10 vs. 19±11mmHg) and second minutes (32±10 vs. 26±12mmHg) of CPT were reduced following NaNO3 (P<0.05 for both) but not after placebo (first minute: 22±10 vs. 24±10mmHg, P=0.30; second minute 26±10 vs 27±10mmHg, P=0.72) supplementation. Our data suggest that eight-weeks of NaNO3 supplementation reduces BP responsiveness to sympatho-excitatory stimuli. NCT01983826
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