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Published on: December 16, 2021
Quantification of intraventricular hemorrhage with electrical impedance tomography using a spherical model
1Department of Biomedical Engineering, University of Florida, Box 116131, Gainesville, FL 32601, USA. rsadleir@bme.ufl.edu
Physiological Measurement
|June 8, 2011
Summary
This study shows that electroencephalography (EEG) can detect intraventricular hemorrhage (IVH) in newborns. Using a simplified spherical head model for analysis proved practical for monitoring IVH, even without patient-specific head models.
Area of Science:
- Biomedical Engineering
- Medical Imaging
- Neonatal Neurology
Background:
- Intraventricular hemorrhage (IVH) is a common complication in neonates.
- Current detection methods may have limitations in accessibility and practicality.
- Electroencephalography (EEG) offers a potential non-invasive monitoring approach.
Purpose of the Study:
- To evaluate an EEG-based current pattern for detecting intraventricular hemorrhage (IVH) in neonates.
- To compare the efficacy of using realistic versus simplified head models for IVH reconstruction.
- To determine the practicality of EEG monitoring for neonatal IVH detection.
Main Methods:
- Developed and applied an EEG-based current pattern analysis.
- Utilized three realistic neonatal head models and one physical phantom.
- Calculated sensitivity matrices from both spherical and realistic head models.
- Assessed image quality and quantification accuracy of reconstructions.
Main Results:
- A sensitivity matrix derived from a spherical head model yielded satisfactory image quality and quantification.
- Incorporating realistic head geometry improved image quality but not quantification accuracy.
- The spherical model approach demonstrated practical utility for IVH monitoring.
Conclusions:
- EEG-based current pattern analysis is a promising method for neonatal IVH detection.
- Simplified spherical head models offer a practical alternative to complex patient-specific models.
- This approach may enhance the accessibility of IVH monitoring in neonatal intensive care units.
