Abstract #3284
Continuous Monitoring of Radiofrequency Ablation using MR-based Fast Conductivity Imaging Method
Woo Chul Jeong 1 , Saurav ZK Sajib 1 , Ji Eun Kim 1 , Hyung Joong Kim 1 , Oh In Kwon 2 , and Eung Je Woo 1
1
Kyung Hee University, Yongin, Gyeonggi,
Korea,
2
Konkuk
University, Seoul, Korea
Estimation of ablated lesion and control of RF power is
important to reduce local recurrence after RF ablation,
there still exist needs for new bio-imaging technique
providing a non-invasive monitoring of RF ablation. We
proposed MR-based fast conductivity imaging for
monitoring of RF ablation using biological tissues. Fast
MREIT produces conductivity images at every 10.24
seconds during RF ablation. We could extract
spatiotemporal maps of tissue conductivity from a time
series of 180 conductivity images for 30.72 minutes.
Analyzing the time series of conductivity images, we
could distinguish six different stages and separately
interpret temperature-dependent and/or
structure-dependent conductivity changes.
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