Non-invasive Measurement of Central Hemodynamics and Heart-lung Interactions by Electrical Impedance Tomography
Overview
- Phase
- N/A
- Intervention
- Not specified
- Conditions
- Comparison of Availability for Prediction of Volume Responsiveness
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
- Locations
- 1
- Primary Endpoint
- Ability to assess volume responsiveness by electrical impedance tomography
- Status
- Withdrawn
- Last Updated
- 3 years ago
Overview
Brief Summary
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.
Detailed Description
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.
Investigators
Eligibility Criteria
Inclusion Criteria
- •Age \>18 years
- •Indication for advanced invasive hemodynamic monitoring due to operative procedure
- •Necessity of postoperative invasive ventilation
Exclusion Criteria
- •Age \<18 years
- •known affections cardiac function
- •presence of cardiac arrhythmias
- •contraindication for placement of central venous or femoral artery catheter
Outcomes
Primary Outcomes
Ability to assess volume responsiveness by electrical impedance tomography
Time Frame: 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
Secondary Outcomes
- precision of estimation of non invasive measurement of stroke volume variation(within 3 hours after surgery)