在基于重力的静脉输注中提高准确性,使用脉冲氧计滴计数和测量单滴重量
Daeseok Oh1, Myoung Jin Ko1, Jae Hwan Kim1
1Department of Anesthesiology and Pain Medicine, Inje University Haeundae Paik Hospital, Busan, Korea.
Anesthesia and pain medicine
|August 12, 2025
概括
使用脉冲氧计实时监测显著提高了基于重力的静脉输液治疗系统的准确性. 这项创新提高了临床精度,并通过尽量减少输液错误来减少医务人员的工作量.
科学领域:
- 医疗器械 医疗器械
- 生物医学工程 生物医学工程
- 临床工程 临床工程 临床工程
背景情况:
- 静脉注射 (IV) 液体治疗至关重要,但由于人为因素,其错误率很高.
- 基于重力的输液系统容易出错,而电子在尺寸,成本和复杂性方面存在局限性.
- 准确的静脉输液输送对于患者的安全和治疗疗效至关重要.
研究的目的:
- 评估单滴重量测量和实时光源监测对基于重力的输液系统精度的影响.
- 为了比较一种新的监测方法的准确性与标准制造商的数据和IV输液流量调节器.
- 确定改善IV流体输送系统精度的方法.
主要方法:
- 测试了三家制造商的基于重力的静脉注射器,使用1000毫升0.9%盐水.
- 记录每分钟下降和下降重量,使用脉冲氧计作为光源.
- 分析了平均绝对百分比误差 (MAPE) 和剩余体积和下降率之间的相关性,比较脉冲氧计 (PO) 组与控制 (C) 和IV输液流量调节器 (IIFR) 组.
主要成果:
- 脉冲氧计 (PO) 组在统计学上表现出更高的精度和较低的MAPE,与控制组 (C) 和IV输液流量调节器 (IIFR) 组相比 (P <0.05).
- 在大多数流速中,精度得到了改进,PO组更接近实际测量.
- 在残留体积和下降率之间观察到强烈的相关性 (r > 0.9).
结论:
- 使用光源和单滴重量评估的实时滴量测量提高了基于重力的静脉输液系统的准确性.
- 将脉冲氧计集成到静脉注射器中,为提高临床精度提供了一个有前途的方法.
- 这项技术有可能减少医疗服务提供者的工作量,并最大限度地减少输液错误.
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