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Electric and Magnetic Field Devices for Stimulation of Biological Tissues

Electric and Magnetic Field Devices for Stimulation of Biological Tissues

Published on: May 15, 2021

Spiral wave induced numerically using electrical stimulation and comparison with experimental results.

Binbin Xu¹, Sabir Jacquir, Gabriel Laurent

¹Laboratoire LE2I UMR CNRS 5158, Université de Bourgogne, 9 avenue Alain Savary, BP47870, 21078 Dijon, France. stbin@u-bourgogne.fr

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference

|November 25, 2010

Summary

Electrical stimulation can induce spiral waves in cardiac tissue on a Microelectrode Array (MEA) platform. This study clarifies the specific conditions required for generating these artificial fibrillation patterns through numerical simulations.

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Area of Science:

Cardiovascular physiology
Computational biology
Biophysics

Background:

Electrical stimulation can induce spiral waves in cardiac tissue.
The precise conditions for inducing artificial fibrillation are not fully understood.
Microelectrode Array (MEA) platforms are used for in vitro cardiac tissue experiments.

Purpose of the Study:

To investigate the conditions under which electrical stimulation generates spiral waves in cardiac tissue.
To elucidate the mechanisms of artificial fibrillation induction.
To provide a clearer understanding of cardiac electrophysiology.

Main Methods:

Utilized a two-dimensional FitzHugh-Nagumo model for numerical simulations.
Applied electrical stimulation as a parameter in the model.
Analyzed simulation outputs to identify conditions for spiral wave generation.

Main Results:

Confirmed that spiral waves can be generated by adding a stimulation current.
Identified and detailed the specific conditions necessary for spiral wave formation.
Demonstrated the efficacy of the FitzHugh-Nagumo model in replicating experimental observations.

Conclusions:

Electrical stimulation can indeed provoke spiral wave generation in cardiac models.
The study explicitly defines the parameters required for inducing artificial fibrillation.
Numerical simulations offer valuable insights into complex cardiac phenomena.