Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study

Sunil Gaddam; Poulami Samaddar; Keerthy Gopalakrishnan; Keirthana Aedma; Devanshi Damani; Suganti Shivaram; Shuvashis Dey; Sayan Roy; Dipankar Mitra; Shivaram P. Arunachalam

doi:10.1109/USNC-URSI52151.2023.10237557

Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study

Sunil Gaddam, Poulami Samaddar, Keerthy Gopalakrishnan, Keirthana Aedma, Devanshi Damani, Suganti Shivaram, Shuvashis Dey, Sayan Roy, Dipankar Mitra, Shivaram P. Arunachalam

Gastroenterology and Hepatology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Sudden cardiac death rate post-myocardial infarction due to arrhythmia is increasing. Cardiac ablation of infarcts is shown to reduce arrhythmogenic events. Current methods are inadequate to monitor the lesions during infarct ablation. Therefore novel noninvasive tools are necessary to provide real-time monitoring of ablation and to titrate the ablative power to reduce arrhythmogenicity. The purpose of this simulation study was to demonstrate the feasibility of microwave imaging (MWI) to monitor the temperature profile of the lesions during infarct ablation. A 2D model of the left ventricle was used with an infarct region of interest for microwave imaging electromagnetic simulation at 915 MHz using known myocardial dielectric properties and its temperature dependence. Distorted Born Iterative Method (DBIM) was used to reconstruct the relative permittivity that is mapped to the temperature field and compared within the infarct region. Good agreement was observed between the reconstructed and assigned temperature field within the infarct region. The study demonstrates the feasibility of using MWI for the non-invasive assessment of infarct tissue temperatures during ablation.

Original language	English (US)
Title of host publication	2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1393-1394
Number of pages	2
ISBN (Electronic)	9781665442282
DOIs	https://doi.org/10.1109/USNC-URSI52151.2023.10237557
State	Published - 2023
Event	2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Portland, United States Duration: Jul 23 2023 → Jul 28 2023

Publication series

Name	IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)
Volume	2023-July
ISSN (Print)	1522-3965

Conference

Conference	2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023
Country/Territory	United States
City	Portland
Period	7/23/23 → 7/28/23

Keywords

arrhythmias
cardiac ablation
infarct
lesion monitoring
microwaves

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1109/USNC-URSI52151.2023.10237557

Cite this

Gaddam, S., Samaddar, P., Gopalakrishnan, K., Aedma, K., Damani, D., Shivaram, S., Dey, S., Roy, S., Mitra, D., & Arunachalam, S. P. (2023). Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study. In 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings (pp. 1393-1394). (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2023-July). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/USNC-URSI52151.2023.10237557

Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study. / Gaddam, Sunil; Samaddar, Poulami; Gopalakrishnan, Keerthy et al.
2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2023. p. 1393-1394 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest); Vol. 2023-July).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gaddam, S, Samaddar, P, Gopalakrishnan, K, Aedma, K, Damani, D, Shivaram, S, Dey, S, Roy, S, Mitra, D & Arunachalam, SP 2023, Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study. in 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings. IEEE Antennas and Propagation Society, AP-S International Symposium (Digest), vol. 2023-July, Institute of Electrical and Electronics Engineers Inc., pp. 1393-1394, 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023, Portland, United States, 7/23/23. https://doi.org/10.1109/USNC-URSI52151.2023.10237557

Gaddam S, Samaddar P, Gopalakrishnan K, Aedma K, Damani D, Shivaram S et al. Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study. In 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc. 2023. p. 1393-1394. (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)). doi: 10.1109/USNC-URSI52151.2023.10237557

Gaddam, Sunil ; Samaddar, Poulami ; Gopalakrishnan, Keerthy et al. / Microwave Imaging Based Lesion Monitoring During Infarct Ablation : Feasibility Study. 2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, AP-S/URSI 2023 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 2023. pp. 1393-1394 (IEEE Antennas and Propagation Society, AP-S International Symposium (Digest)).

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abstract = "Sudden cardiac death rate post-myocardial infarction due to arrhythmia is increasing. Cardiac ablation of infarcts is shown to reduce arrhythmogenic events. Current methods are inadequate to monitor the lesions during infarct ablation. Therefore novel noninvasive tools are necessary to provide real-time monitoring of ablation and to titrate the ablative power to reduce arrhythmogenicity. The purpose of this simulation study was to demonstrate the feasibility of microwave imaging (MWI) to monitor the temperature profile of the lesions during infarct ablation. A 2D model of the left ventricle was used with an infarct region of interest for microwave imaging electromagnetic simulation at 915 MHz using known myocardial dielectric properties and its temperature dependence. Distorted Born Iterative Method (DBIM) was used to reconstruct the relative permittivity that is mapped to the temperature field and compared within the infarct region. Good agreement was observed between the reconstructed and assigned temperature field within the infarct region. The study demonstrates the feasibility of using MWI for the non-invasive assessment of infarct tissue temperatures during ablation.",

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author = "Sunil Gaddam and Poulami Samaddar and Keerthy Gopalakrishnan and Keirthana Aedma and Devanshi Damani and Suganti Shivaram and Shuvashis Dey and Sayan Roy and Dipankar Mitra and Arunachalam, {Shivaram P.}",

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AB - Sudden cardiac death rate post-myocardial infarction due to arrhythmia is increasing. Cardiac ablation of infarcts is shown to reduce arrhythmogenic events. Current methods are inadequate to monitor the lesions during infarct ablation. Therefore novel noninvasive tools are necessary to provide real-time monitoring of ablation and to titrate the ablative power to reduce arrhythmogenicity. The purpose of this simulation study was to demonstrate the feasibility of microwave imaging (MWI) to monitor the temperature profile of the lesions during infarct ablation. A 2D model of the left ventricle was used with an infarct region of interest for microwave imaging electromagnetic simulation at 915 MHz using known myocardial dielectric properties and its temperature dependence. Distorted Born Iterative Method (DBIM) was used to reconstruct the relative permittivity that is mapped to the temperature field and compared within the infarct region. Good agreement was observed between the reconstructed and assigned temperature field within the infarct region. The study demonstrates the feasibility of using MWI for the non-invasive assessment of infarct tissue temperatures during ablation.

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Microwave Imaging Based Lesion Monitoring During Infarct Ablation: Feasibility Study

Abstract

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Keywords

ASJC Scopus subject areas

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