在静脉注射液体后测量脏拥堵和遵守,使用剪切波弹性学
Damian Bruce-Hickman1, Zhen Yu Lim2, Huey Ying Lim1
1Department of Intensive Care Medicine, Ng Teng Fong General Hospital, National University Health System, Singapore.
概括
静脉注射液体增加了硬度,可以通过超声波剪切波弹性学 (SWE) 来测量. 这种新的技术量化了在健康志愿者注射液体后,脏顺应的即时变化.
科学领域:
- 腎臟病學 (nephrology) 是一種醫學專業.
- 医疗成像医学成像
- 生理学 生理学 生理学
背景情况:
- 超声切割波弹性图 (SWE) 是一种新兴的非侵入性方法,用于评估组织硬度.
- 脏符合性是一个关键的生理参数,但其评估传统上是侵入性的.
- 了解液体给药对脏性质的直接影响,对于临床管理至关重要.
研究的目的:
- 调查静脉注射 (IV) 液体和SWE测量的硬度变化之间的关系.
- 为了确定健康志愿者的静脉输液是否会导致全球硬度增加.
- 评估逐渐剂量输液液是否会导致硬度的剂量依赖性增加.
主要方法:
- 一项随机前性研究对在重症监护室的健康志愿者 (18-40岁) 进行.
- 参与者接受了基于实际体重的20毫升/千克,30毫升/千克或40毫升/千克剂量的IV正常盐水.
- 全球硬度测量使用SWE在液体注射前和后,记录平均硬度,中位硬度和四分位之间范围.
主要成果:
- 在98%的参与者中观察到全球硬度的显著增加IV后的液体管理 (平均SWE从7.572 kPa增加到14.9 kPa,p < 0.001).
- 在所有注入液体体量中,在注入液体前和后对硬度的显著变化被观察到.
- 不同的液体体积组之间没有发现全球硬度百分比变化的显著剂量依赖差异.
结论:
- 静脉注射液体导致全球硬度的立即和可量化的变化.
- 超声波切割波弹性成像 (SWE) 可以有效地测量这些流体诱导的硬度变化.
- 这项研究表明SWE在非侵入性评估合动态方面的潜力.
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