Non-invasive Measurement of Central Hemodynamics and Heart-lung Interactions by Electrical Impedance Tomography
试验速览
- 阶段
- 不适用
- 状态
- 撤回
- 试验地点
- 1
- 主要终点
- Ability to assess volume responsiveness by electrical impedance tomography
研究概览
简要总结
The purpose of this study is to evaluate the ability to measure central hemodynamics and heart-lung interactions non-invasively by electrical impedance tomography and compare it to clinically established hemodynamic monitoring.
详细描述
The purpose of this study is to evaluate the ability to measure central hemodynamics and heart-lung interactions non-invasively by electrical impedance tomography and compare it to clinically established hemodynamic monitoring.
研究设计
- 研究类型
- Interventional
- 分配方式
- Na
- 干预模型
- Single Group
- 主要目的
- Diagnostic
- 盲法
- None
入排标准
- 年龄范围
- 18 Years 至 —（Adult, Older Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •Age >18 years
- •Indication for advanced invasive hemodynamic monitoring due to operative procedure
- •Necessity of postoperative invasive ventilation
排除标准
- •Age <18 years
- •known affections cardiac function
- •presence of cardiac arrhythmias
- •contraindication for placement of central venous or femoral artery catheter
研究组 & 干预措施
study group
comparison of ability to predict volume responsiveness and precision of measurement of stroke volume variation assessed by electrical impedance tomography in comparison to clinically established invasive hemodynamic monitoring devices, i.e. arterial pulse contour analysis during volume loading procedures
干预措施: volume loading (Other)
结局指标
主要结局
Ability to assess volume responsiveness by electrical impedance tomography
时间窗: within 3 hrs after surgical procedure
Assessment of volume responsiveness by electrical impedance tomography in mechanically ventilated patients by measurement of stroke volume variations under stepwise volume loading
次要结局
- precision of estimation of non invasive measurement of stroke volume variation(within 3 hours after surgery)