Non-invasive Measurement of Central Hemodynamics by Electrical Impedance Tomography

Non-invasive Measurement of Central Hemodynamics and Heart-lung Interactions by Electrical Impedance Tomography

Status

Withdrawn

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01412970

Enrollment

Registered

2011-08-09

Start date

2016-07-31

Completion date

2017-03-31

Last updated

2022-08-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Comparison of Availability for Prediction of Volume Responsiveness, Comparison of Limits of Agreement for Invasive and Non-invasive Measurement of Stroke Volume Variation

Keywords

hemodynamic monitoring, volume responsiveness, electrical impedance tomography

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

Interventions

OTHERvolume loading

volume loading according to functional parameters of cardiac preload, i.e. stroke volume variations measured by arterial pulse contour analysis

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

DIAGNOSTIC

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

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

Design outcomes

Primary

Measure	Time frame	Description
Ability to assess volume responsiveness by electrical impedance tomography	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

Measure	Time frame	Description
precision of estimation of non invasive measurement of stroke volume variation	within 3 hours after surgery	precision of estimation of non invasive measurement of stroke volume variation by electrical impedance tomography in comparison to clinically established, invasive advanced hemodynamic monitoring devices

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026