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冠状动脉对乙胆的血管运动反应与冠状动脉疾病的危险因素有关
J A Vita1, C B Treasure, E G Nabel
1Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115.
Circulation
|February 1, 1990
概括
冠状动脉疾病的危险因素与内皮功能受损有关. 乙烯基胆是一种
科学领域:
- 心血管医学 心血管医学
- 内皮功能研究研究 内皮功能研究
- 血管生物学 血管生物学
背景情况:
- 乙胆对动脉的影响因健康状况而异,这表明内皮细胞的功能.
- 在患有冠状动脉光滑的患者中,乙胆可以导致扩张和收缩.
- 内皮功能障碍是心血管疾病发展的关键因素.
研究的目的:
- 研究冠状动脉疾病风险因素与乙胆的血管反应之间的关系.
- 要确定通过乙胆输液评估的内皮功能是否与心血管风险概况相关.
主要方法:
- 在34名冠状动脉平滑的患者的冠状动脉中注入了乙胆.
- 定量血管造影评估了冠状动脉直径变化对乙胆的反应.
- 统计分析,包括逐步回归,确定了风险因素和乙胆反应之间的关联.
主要成果:
- 乙胆的反应差异很大,从显著的扩张到明显的收缩.
- 尼甘在所有患者中诱导了血管扩张,证实了正常的光滑肌肉功能.
- 血清胆固醇,男性性别,家族病史,年龄和风险因素的数量独立地与乙胆反应相关.
结论:
- 冠状动脉风险因素与内皮依赖血管扩张的丧失相关.
- 乙胆诱导的血管收缩可能表明早期的内皮功能障碍在前或标志着亚血管学动脉样硬化.
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