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고주파 에너지에 의한 조직손상정도에 대한 연구

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Author(s)
김윤년박경아신경목한성욱허승호김기식김권배
Keimyung Author(s)
Kim, Yoon NyunHan, Seong WookHur, Seung HoKim, Kee SikKim, Kwon Bae
Department
Dept. of Internal Medicine (내과학)
Journal Title
순환기
Issued Date
1995
Volume
25
Issue
4
Keyword
Tissue damageRadio frequency energy
Abstract
Background : Radiofrequency(RF) catheter ablation has rapidly emerged as the treatment of choice for symptomatic reentrant arrythmia associated with accessory pathway or atrioventricular node conduction. Rarely RF catheter ablation therapy can produce the cardiac perforation, ventricular function insufficiency and arrythmia. So, the purpose of this study was to determine the correlation between the RF energy and muscle injury.

Methods * Bovine skeletal muscle was immersed in normal saline, and the entire chamber ■was heated to 36〜37°C by water bath. The 4mm tip 7 Fr electrode catheter was placed horizontally on the skeletal muscle surface without pressure. RF energy was delivered to tissue for the pulse duration of 10, 20,30, 40, 50,60 seconds and voltage of 10, 15, 20, 25, 30, 35, 40,45volt and total 432 lesions were produced. Horizontal vertical lesion diameters and depths were measured, and the area and volume of lesion were calculated.

Results : Increasing voltage and duration of RF increased the horizontal and vertical diameter, depth, area and volume of lesion (p<0.0001). The RF pulse duration and voltages made lesion below 5mm depth were 45volt applied below 20seconds, 40volt applied below 25seconds, 35volt applied below 32seconds, 30volt applied below 38seconds, 25volt applied during any duation of time.

Conclusion : So, for prevention of undesirable tissue damage, the adequate pulse duration and voltage of RF must to be delivered to tissue.
Alternative Title
The Tissue Damage due to Radiofrequency Energy in Bovine Skeletal Muscle
Keimyung Author(s)(Kor)
김윤년
한성욱
허승호
김기식
김권배
Publisher
School of Medicine
Citation
김윤년 et al. (1995). 고주파 에너지에 의한 조직손상정도에 대한 연구. 순환기, 25(4), 730–737. doi: 10.4070/kcj.1995.25.4.730
Type
Article
ISSN
1225-164X
DOI
10.4070/kcj.1995.25.4.730
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36718
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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