胃体积的多平面超声波评估:一个前性的观察性研究
Hao Liu1,2, Yuewen He1,2, Longfei Ding1,2
1Guangzhou University of Chinese Medicine, Guangzhou, China.
胃超声波测量根据平面而异. 较高的胃体积平面最准确地反映了实际的胃体积,改善了肺吸入风险评估.
科学领域:
- 麻醉学 麻醉学
- 医疗成像医学成像
- 胃肠病学 胃肠病学
背景情况:
- 术前胃超声波对于评估肺吸气风险至关重要.
- 在腹腔大动脉 (AA) 和下静脉 (IVC) 平面之间的胃体积测量存在显著差异.
- 确定最佳测量平面对于准确的临床应用至关重要.
研究的目的:
- 为了确定哪个胃超声波测量平面 (AA或IVC) 最好与实际的胃体积相关.
- 为了评估不同的测量平面在预测摄入液体体积时的准确性.
- 为了提高胃超声波的可靠性,进行手术前风险分层.
主要方法:
- 胃超声波测试对196名志愿者进行了低 (禁食) 和高 (摄入2.3毫升/公斤果汁后) 的胃体积状态.
- 在AA和IVC两种平面上都进行了测量.
- 预测摄入量 (PIV) 被计算出来,并通过不同的测量平面来评估与实际摄入量 (AIV) 的一致性.
主要成果:
- 在低胃体积和高胃体积状态中,在AA和IVC平面测量之间观察到显著差异 (P<0.001).
- 高度测量胃体积平面显示预测和实际胃体积之间没有显著差异 (偏差 = -4.27毫升,P=0.076).
- 这架飞机表现出最小的偏差,表明了卓越的准确性.
结论:
- 胃超声波测量平面的结果大大不同.
- 使用更高的胃体积平面测量可提高当前胃体积预测模型的应用时的准确性.
- 未来的模型开发应该考虑差异化的测量平面,以提高预测准确度的愿望风险.
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