超声波指标的诊断值用于评估急性肺损伤的严重程度
Dong Han1, Yingying Zhang1, Huan Yang1
1Department of Ultrasound Diagnosis, Daping Hospital, Army Medical University, Chongqing, China.
Scientific reports
|May 18, 2025
概括
肺动脉速度时间积分 (VTI) 有效地评估急性肺损伤 (ALI) 的严重程度. 结合肺动脉VTI与动脉纠正流量时间 (FTc),为ALI评估提供了强大的诊断性能.
科学领域:
- 心血管生理学心血管生理学
- 肺部医学 肺部医学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 系统体积状态对于急性肺损伤 (ALI) 的进展和管理至关重要.
- 在ALI中对系统体积变化的非侵入性监测具有临床意义.
研究的目的:
- 评估动脉和心脏超声波参数在评估ALI严重性的有用性.
- 在ALI中确定肺动脉速度-时间积分 (VTI) 和动脉校正流量时间 (FTc) 的诊断性能.
主要方法:
- 用油酸诱导山羊,以创建轻度和严重的ALI模型.
- 进行了心血管超声波 (直径,FTc) 和心脏超声波 (大动脉和肺动脉VTI).
- 肺湿干比率,病理评分和ROC分析被用于评估损伤和诊断性能.
主要成果:
- 严重的ALI显示了显著更高的肺W/D比率和病理学得分.
- 冠状动脉FTc和肺动脉VTI与ALI严重程度下降,与肺损伤标志物负相关.
- 肺动脉VTI表现出高的诊断性能 (AUC>0.8),通过结合心血管FTc (AUC>0.95在6h).
结论:
- 肺动脉VTI是评估ALI严重性的可靠指标.
- 肺动脉VTI和动脉FTc的组合为ALI严重性评估提供了强大的诊断能力.
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