NDLI: Development of a temperature distribution simulator for lung RFA based on air dependence of thermal and electrical properties

Content Provider	IEEE Xplore Digital Library
Author	Yamazaki, N. Watanabe, H. XiaoWei Lu Isobe, Y. Kobayashi, Y. Miyashita, T. Fujie, M.G.
Copyright Year	2012
Description	Author affiliation: Grad. Sch. of Sci. & Eng., Waseda Univ., Tokyo, Japan (Yamazaki, N.; Watanabe, H.; XiaoWei Lu; Isobe, Y.; Kobayashi, Y.; Miyashita, T.; Fujie, M.G.)
Abstract	Radio frequency ablation (RFA) for lung cancer has increasingly been used over the past few years, because it is a minimally invasive treatment. As a feature of RFA for lung cancer, lung contains air. Air is low thermal and electrical conductivity. Therefore, RFA for this cancer has the advantage that only the cancer is coagulated, because the heated area is confined to the immediate vicinity of the heating point. However, it is difficult for operators to control the precise formation of coagulation zones due to inadequate imaging modalities. We propose a method using finite element method to analyze the temperature distribution of the organ in order to overcome the current deficiencies. Creating an accurate thermal physical model was a challenging problem because of the complexities of the thermal properties of the organ. In this study, we developed a temperature distribution simulator for lung RFA using thermal and electrical properties that were based on the lung's internal air dependence. In addition, we validated the constructed simulator in an in vitro study, and the lung's internal heat transfer during RFA was validated quantitatively.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	5699
Ending Page	5702
File Size	800526
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6347289
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Lungs Radio frequency Temperature distribution Conductivity Cancer Electrodes Temperature measurement
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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