黑巧克力可以改善冠心血管运动,并降低血小板的反应性
Andreas J Flammer1, Frank Hermann, Isabella Sudano
1Cardiovascular Center, Cardiology, University Hospital Zurich, Raemistr 100, CH-8091 Zurich, Switzerland.
Circulation
|November 7, 2007
概括
富含黄胺的黑巧克力改善了血管功能,降低了心脏移植患者的血小板激活. 这些直接的好处表明,黑巧克力可能会对移植动脉样硬化产生积极影响.
科学领域:
- 心脏病学 心脏病学
- 营养科学 营养科学
- 血管生物学 血管生物学
背景情况:
- 黑巧克力具有显著的抗氧化特性.
- 动脉样硬化,特别是在移植心脏中,与内皮功能障碍,血小板激活和氧化应激有关.
- 富含黄的黑巧克力可能会对移植动脉样硬化产生保护作用.
研究的目的:
- 为了研究富含黄胺的黑巧克力对心脏移植患者冠状动脉血管和血小板功能的急性影响.
- 为了比较黑巧克力对心血管标志物的影响与无可可的对照.
主要方法:
- 这是一项双盲随机研究,涉及22名心脏移植接受者.
- 使用定量冠状动脉血管学和冷压器测试评估冠状动脉运动.
- 巧克力消费前后测量血小板粘附和血清氧化应激标志物.
主要成果:
- 黑巧克力消费显著增加了冠状动脉直径,并改善了依赖内皮的血管运动.
- 在摄入黑巧克力后,观察到血小板粘附的显著下降.
- 血清氧化应激减少,与甲基水平增加相关.
结论:
- 黑巧克力消费导致冠状动脉血管扩张和血管功能立即改善.
- 这项研究表明,黑巧克力摄入后血小板粘附和氧化应激减少.
- 这些发现表明,黑巧克力在心脏移植患者的移植动脉样硬化管理中具有潜在的治疗作用.
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