Inverse Relationship Between Electrode Size and Lesion Size During Radiofrequency Ablation With Active Electrode Cooling | Zendy

Hiroshi Nakagawa | Zendy; Fred H.M. Wittkampf | Zendy; William S. Yamanashi | Zendy; Jan Piťha | Zendy; Shinobu Imai | Zendy; Barclay Campbell | Zendy; Maurício Arruda | Zendy; Ralph Lazzara | Zendy; Warren M. Jackman | Zendy

Open Access

Inverse Relationship Between Electrode Size and Lesion Size During Radiofrequency Ablation With Active Electrode Cooling

Author(s) -

Hiroshi Nakagawa,

Fred H.M. Wittkampf,

William S. Yamanashi,

Jan Piťha,

Shinobu Imai,

Barclay Campbell,

Maurício Arruda,

Ralph Lazzara,

Warren M. Jackman

Publication year - 1998

Publication title -

circulation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.795

H-Index - 607

eISSN - 1524-4539

pISSN - 0009-7322

DOI - 10.1161/01.cir.98.5.458

Subject(s) - electrode , medicine , ablation , radiofrequency ablation , lesion , biomedical engineering , materials science , surgery , chemistry

Clinical efficacy has driven the use of larger electrodes (7F, length > or =4 mm) for radiofrequency ablation, which reduces electrogram resolution and causes variability in tissue contact depending on electrode orientation. With active cooling, ablation electrode size may be reduced. The purpose of this study was to examine the effect of electrode length on tissue temperature and lesion size with saline irrigation used for active cooling.

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