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血清三甲基胺N-氧化物升高预测高血压患者血管反应功能受损
I-Min Su1,2,3, Ji-Hung Wang4,5, Chin-Hung Liu6,7
1Department of Anesthesiology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chiayi 62247, Taiwan.
Diagnostics (Basel, Switzerland)
|September 27, 2025
概括
高水平的三甲基胺N-氧化物 (TMAO) 与高血压患者的血管反应能力低下有关. 这项研究发现TMAO与内皮功能障碍独立相关,内皮功能障碍是心血管疾病的关键因素.
科学领域:
- 心血管研究研究心血管研究
- 代谢学 代谢学 代谢学
- 在高血压的高血压.
背景情况:
- 三甲基胺N氧化物 (TMAO) 是由饮食影响的肠道微生物群的代谢物,与心血管疾病有关.
- 内皮功能障碍是高血压中血管损伤的常见早期指标.
研究的目的:
- 研究高血压患者血清TMAO水平与内皮功能之间的关联.
- 使用血管反应率指数 (VRI) 评估内皮功能.
主要方法:
- 招募了110名高血压患者.
- 血清TMAO水平使用高性能液体染色学质谱学量化.
- 通过数字热监测来评估内皮功能以确定VRI.
主要成果:
- 在9.1%的参与者中观察到较差的血管反应性,与较高的TMAO水平相关 (p < 0.001).
- 经日志转换的TMAO水平显示出与VRI的独立反向关联 (p < 0.001).
- 提升的TMAO度显著增加了血管反应功能障碍 (OR = 1.10) 和血管反应能力低下 (OR = 1.58) 的可能性.
结论:
- 血清TMAO的升高与高血压患者的内皮功能障碍独立相关.
- 在高血压中,TMAO可能作为血管健康的潜在生物标志物.
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