股骨静脉直径作为血管内体积状态的预测指标
Kathyayini Revivarman1,2, Nandu M3, Gireesh Kumar2
1Emergency Medicine, Government Medical College, Thiruvananthapuram, Thiruvananthapuram, IND.
Cureus
|December 29, 2025
概括
股骨静脉直径 (FVD) 与低血压患者的中枢静脉压力 (CVP) 有很强的相关性. 这项研究表明,FVD可以作为CVP测量的可靠替代品,有助于评估体积状态.
科学领域:
- 紧急医疗 紧急医疗
- 关键的护理关键的护理
- 诊断成像 诊断成像 诊断成像
背景情况:
- 中枢静脉压力 (CVP) 对于评估低血压患者体积状况至关重要.
- 下腔静脉 (IVC) 超声波是CVP的常见替代品,但可视化可能具有挑战性.
- 需要一个替代的,易于可视化的参数来估计CVP.
研究的目的:
- 在低血压患者中评估股骨静脉直径 (FVD) 和CVP之间的相关性.
- 确定FVD是否可以作为CVP的可靠的非侵入性替代标记物.
- 评估FVD在预测低CVP和高CVP状态中的实用性.
主要方法:
- 在急诊室设置中的前性观察研究.
- 包括低血压患者,不包括孕妇,DVT,急性心力衰竭和未经同意的个人.
- 超声波测量IVC直径和FVD,同时通过传感器测量CVP;计算了皮尔森相关系数.
主要成果:
- 在FVD和CVP之间观察到强烈的正线性相关性 (r=0.919,p<0.001).
- 回归方程是CVP=0.535+9.275*FVD. 这就是回归方程.
- <0.8厘米的FVD显示出100%的特异性来预测低CVP (<8毫米升),而1.2厘米的FVD显示出90%的灵敏性来预测高CVP (>12毫米升).
结论:
- 股骨静脉直径 (FVD) 是低血压患者中中央静脉压 (CVP) 的强大和可靠的替代标志物.
- FVD测量为IVC评估提供了一种实际的替代方案,用于评估体积状态.
- 利用FVD可以帮助避免与不必要的液体复苏相关的并发症.
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