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High-frequency irreversible electroporation for cardiac ablation using an asymmetrical waveform
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High-frequency irreversible electroporation for cardiac ablation using an asymmetrical waveform
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High-frequency irreversible electroporation for cardiac ablation using an asymmetrical waveform
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Journal Article
High-frequency irreversible electroporation for cardiac ablation using an asymmetrical waveform
2019
Overview
Background
Irreversible electroporation (IRE) using direct current (DC) is an effective method for the ablation of cardiac tissue. A major drawback of the use of DC-IRE, however, are two problems: requirement of general anesthesia due to severe muscle contractions and the formation of bubbles containing gaseous products from electrolysis. The use of high-frequency alternating current (HF-IRE) is expected to solve both problems, because HF-IRE produces little to no muscle spasms and does not cause electrolysis.
Methods
In the present study, we introduce a novel asymmetric, high-frequency (aHF) waveform for HF-IRE and present the results of a first, small, animal study to test its efficacy.
Results
The data of the experiments suggest that the aHF waveform creates significantly deeper lesions than a symmetric HF waveform of the same energy and frequency (
p
= 0.003).
Conclusion
We therefore conclude that the use of the aHF enhances the feasibility of the HF-IRE method.
Publisher
BioMed Central,BioMed Central Ltd,Springer Nature B.V,BMC
