透析期间相对血量变化的特点是超过率和透析前血液检测值
Tomoyuki Tanaka1, Yoshifumi Kawakubo1, Takeshi Shigematsu2
1Department of Clinical Engineering, Faculty of Health Care, Jikei University of Health Care Sciences, Osaka, Japan.
Blood purification
|February 4, 2024
概括
血液透析期间血液体积减少的早期阶段与透析前总蛋白质有关,而后期阶段受到超率的影响. 了解这些因素有助于管理血液透析患者.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 身体生理学 身体生理学
- 生物医学工程 生物医学工程
背景情况:
- 血液相对体积 (百分比BV) 的持续监测在血液透析 (HD) 中至关重要,以确定干重量和预防内透析性低血压.
- 疾病发病期间血液体积变化的根本原因尚不清楚.
- 本研究研究了影响百分比BV变化的因素.
研究的目的:
- 为了确定影响血液输血过程中的相对血量 (百分比BV) 变化的因素.
- 分析早期和晚期BV动态和患者前透析数据之间的关系.
主要方法:
- 开发了一个配数 (a, τ, b) 的公式来预测百分比的BV变化.
- 百分比BV测量了18名患有HD的末期病患者.
- 使用最小平方优化和相关性分析来估计系数,并分析与分析前数据的关系.
主要成果:
- 超过率 (UFR) 与晚期BV降低系数 (b) (r = -0.851,p < 0.01) 有负相关.
- 前透析血清总蛋白与早期BV降低系数 (a) 有负相关 (r = -0.531,p = 0.042).
- 紫外线和透析前总蛋白与过渡阶段系数 (τ) 没有显著的相关性.
结论:
- UFR影响晚期BV降低,而前透析总蛋白影响早期BV降低.
- 由总蛋白质表示的体性压力,对于早期的血补充至关重要.
- 这些发现区分了BV变化的驱动因素在早期与晚期的HD阶段,为临床管理提供了信息.
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