第三章 第三章 雌激素对血液静止的影响
Frank Z Stanczyk1, Intira Sriprasert1, Shinnisha Chulapongwanich2
1Dept of Obstetrics & Gynecology, University of Southern California, Keck School of Medicine, Los Angeles, CA, United States.
雌激素可以通过改变凝血因子来增加血栓形成风险. 新的研究表明,乙醇 (E4) 可能具有中性静血效应,可能为荷尔蒙避孕和治疗提供更安全的替代方案.
科学领域:
- 内分泌学 在内分泌学.
- 血液学 血液学 血液学
- 药理学 药理学是指药理学的学科.
背景情况:
- 已知雌激素通过影响凝血和抗凝血因子增加动脉和静脉血栓的风险.
- 导致雌激素诱导的血栓形成的精确分子机制尚不清楚,但雌激素类型,剂量和施用途径的变化可能会影响血栓形成的风险.
研究的目的:
- 在激素避孕和激素治疗的背景下,审查不同雌激素的静血作用,包括乙乙醇 (EE),乙醇 (E2) 和乙醇 (E4).
- 评估这些雌激素对静脉血栓塞栓症 (VTE) 风险的影响.
主要方法:
- 关于雌激素对血液静止标志物的影响和绝经前和绝经后妇女的静脉动脉突发症风险现有文献的综述.
- 与不同基于雌激素的避孕药和激素疗法相关的静血样本的比较.
主要成果:
- 联合口服避孕药 (COCs) 中的乙烯基 Estradiol (EE) 和 Estradiol (E2) 显示出微小到较弱的静血效应,EE的静脉瘤风险取决于剂量.
- 新型雌激素乙醇 (E4) 似乎具有中性静血效应.
- 用结合马类雌激素 (CEE) 的激素治疗 (HT) 增加了静脉瘤风险;口服E2的结果是混合的,透皮HT可能具有较小的影响.
结论:
- 雌激素的类型,剂量和途径显著影响静脉静脉动脉平衡和VTE风险.
- 乙醇 (E4) 由于其中性静血特性,可以作为一种更安全的替代品.
- 需要进一步的研究,以充分阐明与各种雌激素配方相关的VTE风险,特别是透皮HT.
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