Induced current impedance technique for monitoring brain cryosurgery in a two-dimensional model of the head

Sharon Zlochiver; Michal M. Radai; Moshe Rosenfeld; Shimon Abboud

doi:10.1114/1.1521932

Induced current impedance technique for monitoring brain cryosurgery in a two-dimensional model of the head

Sharon Zlochiver, Michal M. Radai, Moshe Rosenfeld, Shimon Abboud^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A fast and robust finite volume solver of two-dimensional induced current electrical impedence problem was developed. The solver was used to theoretically examine the sensitivity of the impedence technique for monitoring brain cryosurgery. Simulation was performed using a two-dimensional approximation of otherwise realistic geomtery model of the head. The sensitivity of the scalp potential to the ice-ball size was found to be 53 × 10^-4.

Original language	English
Pages (from-to)	1172-1180
Number of pages	9
Journal	Annals of Biomedical Engineering
Volume	30
Issue number	9
DOIs	https://doi.org/10.1114/1.1521932
State	Published - 2002

Keywords

Brain cryosurgery
Electrical impedance technique
Finite volume method
Induced currents
Numerical simulation

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10.1114/1.1521932

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abstract = "A fast and robust finite volume solver of two-dimensional induced current electrical impedence problem was developed. The solver was used to theoretically examine the sensitivity of the impedence technique for monitoring brain cryosurgery. Simulation was performed using a two-dimensional approximation of otherwise realistic geomtery model of the head. The sensitivity of the scalp potential to the ice-ball size was found to be 53 × 10-4.",

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AU - Rosenfeld, Moshe

AU - Abboud, Shimon

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AB - A fast and robust finite volume solver of two-dimensional induced current electrical impedence problem was developed. The solver was used to theoretically examine the sensitivity of the impedence technique for monitoring brain cryosurgery. Simulation was performed using a two-dimensional approximation of otherwise realistic geomtery model of the head. The sensitivity of the scalp potential to the ice-ball size was found to be 53 × 10-4.

KW - Brain cryosurgery

KW - Electrical impedance technique

KW - Finite volume method

KW - Induced currents

KW - Numerical simulation

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JO - Annals of Biomedical Engineering

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ER -

Induced current impedance technique for monitoring brain cryosurgery in a two-dimensional model of the head

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