Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
Experimental ablation study using a new long linear probe in isolated porcine hearts
Autore:
Shimoike, E; Ueda, N; Maruyama, T; Kaji, Y; Kanaya, S; Fujino, T; Niho, Y;
Indirizzi:
Kyushuanniv, Sch Med, Dept Internal Med 1, Higashi Ku, Fukuoka 8128582, Jap Kyushu Univ Fukuoka Japan 8128582 ed 1, Higashi Ku, Fukuoka 8128582, Jap
Titolo Testata:
JAPANESE HEART JOURNAL
fascicolo: 2, volume: 40, anno: 1999,
pagine: 189 - 197
SICI:
0021-4868(199903)40:2<189:EASUAN>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
RADIOFREQUENCY CATHETER ABLATION; PAROXYSMAL ATRIAL-FIBRILLATION; MAZE PROCEDURE; MITRAL-VALVE; MECHANISMS; OPERATION; THERAPY; DISEASE; SURGERY;
Keywords:
atrial fibrillation; new long linear probe; radiofrequency energy; maze operation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Shimoike, E Kyushuokaiv, Sch Med, Dept Internal Med 1, Higashi Ku, Maidashi 3-1-1, Fuku Kyushu Univ Maidashi 3-1-1 Fukuoka Japan 8128582 3-1-1, Fuku
Citazione:
E. Shimoike et al., "Experimental ablation study using a new long linear probe in isolated porcine hearts", JPN HEART J, 40(2), 1999, pp. 189-197

Abstract

We studied a new technique for creating long linear lesions in hearts using a custom-made linear probe. Radiofrequency (RF) energy applications usinga 25-mm long stainless steel linear probe and a corresponding 500-kHz energy generator were tested, creating 90 lesions in isolated porcine hearts. The RF current was applied between the linear probe and a large patch electrode attached to the back of the specimen. Three parameters, comprising the power of the delivered energy, the pressure of contact between the probe and the specimen, and the duration of energy delivery were changed independently and the size of the resulting lesions was measured. All 90 lesions weretransmural, well demarcated and created by a single stationary RF application. Lesion length and width increased with: 1) increasing power, when the other two parameters were maintained at constant levels, 2) increasing contact pressure, when the other two parameters were maintained at constant levels, and 3) increasing duration of energy delivery when the other two parameters were maintained at constant levels. The maximum width of the lesions was 3.7 mm. No overheating of any of the specimens was observed. In conclusion, the new original long linear probe used in this study was effective for creating transmural linear lesions, presenting the possibility of a worthwhile contribution to the maze surgical procedure applied to atrial fibrillation.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/01/20 alle ore 19:12:18