盐酸盐对患有子宫内膜异位症的妇女的微血管功能产生负面影响
Auni C Williams1, Virginia G Content1, Lacy M Alexander1,2
1Noll Laboratory, Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania, United States.
概括
盐酸盐对子宫内膜异位症妇女的微血管功能产生负面影响,通过非依赖氧化 (NO) 的途径损害血管扩张. 这项研究强调了盐酸对这一群体微循环的新有害影响.
科学领域:
- 心血管科学 心血管科学
- 生殖医学 生殖医学
- 药理学 药理学是指药理学的学科.
背景情况:
- 患有子宫内膜异位症的女性表现出心血管疾病风险增加和微血管内皮功能受损,特别是减少氧化 (NO) 介导的血管扩张.
- 用盐酸抑制核因子-kappa B (NFκB) 已经显示出在其他临床组中改善内皮功能的潜力.
- 盐酸对子宫内膜异位症妇女的微血管功能的影响仍然未被探索.
研究的目的:
- 为了研究盐酸盐改善子宫内膜异位症妇女皮肤微血管内膜功能的假设.
- 评估盐酸对依赖氧化 (NO) 和依赖NO的血管扩张的影响.
- 在盐酸治疗后评估宏血管内皮功能 (流介导扩张).
主要方法:
- 11名患有子宫内膜异位症的妇女接受了安慰剂或口服盐酸 (3000毫克/天5天).
- 用乙胆 (ACh) 和N-G-nitro-l-arginine甲基 (l-NAME) 进行皮肤内微透析来评估皮肤微血管内皮质功能.
- 测量最大血管扩张和流媒体扩张 (FMD),分别评估微血管和宏血管功能.
主要成果:
- 盐酸盐治疗减弱了对单独乙胆的微血管反应,表明血管扩张受损.
- 当与他类药物联合使用时,Salsalate显著增加了微血管反应,这表明一种非NO-依赖的机制.
- 在安慰剂和盐酸治疗之间没有观察到宏血管功能 (FMD) 的显著差异.
结论:
- 口服盐酸治疗对患有子宫内膜异位症的妇女的皮肤微血管内皮功能产生负面影响.
- 观察到的血管扩张障碍似乎是通过非NO-依赖的途径进行的.
- 在这种患者群体中,盐酸盐不会改变宏血管内皮功能.
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