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中华重症医学电子杂志 ›› 2026, Vol. 12 ›› Issue (01) : 93 -101. doi: 10.3877/cma.j.issn.2096-1537.2026.01.014

教育培训

虚拟仿真系统结合案例教学法在体外膜肺氧合护理培训中的应用
孙雪1, 丁敏2, 方巍2, 王鹏2, 黄瑞2, 李胜强2, 王玉萍1,()   
  1. 1 250021 济南,山东第一医科大学附属省立医院血液透析室
    2 250021 济南,山东第一医科大学附属省立医院重症医学科
  • 收稿日期:2025-03-18 出版日期:2026-02-28
  • 通信作者: 王玉萍

Application of virtual simulation system combined with case-based learning in extracorporeal membrane oxygenation nursing training

Xue Sun1, Min Ding2, Wei Fang2, Peng Wang2, Rui Huang2, Shengqiang Li2, Yuping Wang1,()   

  1. 1 Hemodialysis Room, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
    2 Department of Critical Care Medicine, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
  • Received:2025-03-18 Published:2026-02-28
  • Corresponding author: Yuping Wang
引用本文:

孙雪, 丁敏, 方巍, 王鹏, 黄瑞, 李胜强, 王玉萍. 虚拟仿真系统结合案例教学法在体外膜肺氧合护理培训中的应用[J/OL]. 中华重症医学电子杂志, 2026, 12(01): 93-101.

Xue Sun, Min Ding, Wei Fang, Peng Wang, Rui Huang, Shengqiang Li, Yuping Wang. Application of virtual simulation system combined with case-based learning in extracorporeal membrane oxygenation nursing training[J/OL]. Chinese Journal of Critical Care & Intensive Care Medicine(Electronic Edition), 2026, 12(01): 93-101.

目的

探讨虚拟仿真系统结合案例教学法(CBL)在体外膜肺氧合(ECMO)护理培训中的应用效果。

方法

采用便利抽样法,选取2024年3月至6月山东省某三级甲等医院的55名ICU护士作为研究对象,采用随机数字表法将其分为试验组与对照组。试验组采用ECMO虚拟仿真系统结合CBL培训方式,对照组采用传统的授课培训方式,比较两组干预前后ECMO理论知识、一般自我效能感量表(GSES)、护士临床推理量表(NCRS)得分,并调查试验组干预后的系统满意度。

结果

干预后,试验组ECMO理论知识得分为(81.35±5.62)分,高于对照组的(76.04±6.10)分;GSES得分(3.14±0.51)分,高于对照组的(2.71±0.40)分;NCRS得分(61.96±5.14)分,高于对照组的(56.03±4.21)分,差异均具有统计学意义(P<0.05)。试验组护士对该系统各维度满意度高,总分为(35.23±2.01)分。

结论

应用ECMO虚拟仿真系统结合CBL的护理培训满意度高,提高了护士的知识水平、自我效能、临床推理能力,丰富了高质量的信息化培训方式。

Objective

To explore the effect of a virtual simulation system combined with case-based learning (CBL) in extracorporeal membrane oxygenation (ECMO) nursing training.

Methods

Using convenience sampling, a total of 55 ICU nurses from a tertiary hospital in Shandong Province between March and June 2024 were included. They were divided into an experimental group and a control group by random number table method. The experimental group received nurse training using the virtual simulation system of ECMO combined with CBL, while the control group received traditional training. Theoretical knowledge scores, general self-efficacy scale (GSES) and nurses clinical reasoning scale (NCRS) were compared between the two groups before and after the intervention. The system satisfaction of the experimental group was evaluated post-intervention.

Results

After the intervention, the theoretical knowledge score in the experimental group was (81.35±5.62), which was higher than that in the control group (76.04±6.10). The GSES score in the experimental group was (3.14±0.51), which was higher than that in the control group (2.71±0.40). The NCRS score in the experimental group [(61.96±5.14) scores] was higher than that in the control group [(56.03±4.21) scores], and the differences were statistically significant (P<0.05). Nurses in the experimental group were highly satisfied with all system dimensions, and the overall scores were (35.23±2.01) points.

Conclusion

The virtual simulation system of ECMO combined with CBL in nursing training was highly satisfactory. It improved the knowledge level, self-efficacy, and clinical reasoning ability of nurses and enriched a high-quality information-based training method.

图1 ECMO虚拟仿真系统。图a为ICU沉浸式环境概况;图b为仪器选择布局
表1 基于虚拟仿真技术的ECMO培训课程
场景
设计
时长(min) 课程模拟内容 学员交互式操作
病例情景导入 40 (1)介绍虚拟仿真系统,触摸屏幕进入ICU立体临床场景,依次介绍床单元、呼吸机、显示屏等,讲解ECMO主机各部分组成、作用及ECMO病理生理相关要点。
(2)基于CBL导入病例,回顾病史、胸部X线检查、心电监护仪、呼吸机参数,分析具备上机指征。触屏各种模式示意图讲解连接方式及区别,选择VV-ECMO模式(图2),启动上机(图3)。
熟悉ECMO启动步骤,在虚拟患者置管结束后,先触摸ECMO主机控制面板,调节旋钮速度至1500转/min,再触击松开管路钳,管路血液充盈,机器运转正常。
模拟空氧混合器未开 15 (1)启动ECMO后机器正常运转,心电监护仪显示血氧饱和度未上升,思考其原因。
(2)指引观察回流管管路颜色较深。
触屏空氧混合器,调节氧浓度及气流量旋钮至合适值,通气∶血流比=1∶1.5~1∶2.0。
模拟再循环情况 30 (1)气流量、氧浓度增加后,在虚拟患者无躁动发热等氧耗情况下,心电监护仪显示虚拟患者血氧饱和度仍未上升,观察到引流管和回流管管路颜色一致。
(2)引出再循环的判断及处理方法,通过显示屏展示处理前后胸片的ECMO置管位置,以及讲解血气分析的变化、超声定位等。
可触屏ECMO管路位置,观察引流管及回流管路颜色一致,在沉浸式环境中加深对再循环理解。
保护性肺通气策略 20 (1)上述情景解决后,虚拟患者血氧饱和度好转,ECMO运行顺利。
(2)VV-ECMO下实施保护肺通气策略。
触击调节呼吸机参数,包括吸氧浓度、吸气压力、呼气末正压等。
模拟流量不稳 30 (1)模拟上机数小时后,虚拟患者血氧饱和度下降,ECMO主机控制面板显示流量不稳。
(2)观察引流管抖动异常、ECMO主机参数变化,分析其原因,如容量不足、管路贴壁、置管深度等,结合显示屏胸部X线片分析处理方法。
触屏ECMO主机参数界面(图2),观察到流量与转速不匹配,且波动。旋转调节转速旋钮,确认及处理流量不稳。
膜肺功能障碍 20 (1)模拟上机10天后,虚拟患者血氧饱和度再次下降。(2)讲解膜肺功能障碍判断方法,可观察ECMO主机膜前膜后压差值,并讲解如何更换膜肺。 触屏ECMO主机参数界面,观察膜前压、膜后压变化。
管路
打折
10 (1)虚拟患者某次翻身后,血氧饱和度下降,ECMO机器报警,流量下降。
(2)分析原因,整理并妥善放置ECMO管路。
触屏ECMO主机参数界面,观察膜前压、膜后压上升,分析引流管及回流受阻的参数变化。
VA-
ECMO核心
要点
50 (1)导入病历,回顾病史,结合超声检查、心电监护仪、血管加压药情况,分析具备上机指征。触屏选择VA-ECMO模式,启动上机。
(2)讲解VA-ECMO流量要点,分析“南北综合征”,观察心电监护仪“平流现象”。
(3)运行数天后,虚拟患者血压下降、流量低,分析可能出现回流管路血栓及其处理方法。
ECMO上机步骤同前;指导观察心电监护仪动脉压“平流现象”及其与流量关系;触屏ECMO主机参数界面,观察膜前压、动脉压上升、膜前膜后压差值正常。
图2 ECMO模式选择图 注:ECMO为体外膜肺氧合;VV-ECMO为静脉-静脉体外膜肺氧合;VA-ECMO为静脉-动脉体外膜肺氧合;VAV-ECMO为静脉-动脉-静脉体外膜肺氧合
图3 ECMO启动运行图
表2 两组一般资料的比较[例(%)]
表3 两组ECMO理论知识问卷、GSES、NCRS得分的比较(分,
±s
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