Linear Atrial Ablations in a Canine Model of Chronic Atrial Fibrillation: Morphological and Electrophysiological Observations

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Abstract

Background

To test the hypothesis that susceptibility to sustained atrial fibrillation may be decreased by creation of linear atrial ablations, we established a canine model of chronic atrial fibrillation and used a novel catheter design to create atrial ablations.

Conclusions

In this model, a reduction in the susceptibility to sustained atrial fibrillation can be achieved by long linear atrial ablations created with specially designed coil electrode catheters. Complete lesion continuity was not required to achieve a therapeutic effect. (Circulation. 1998;97:1176-1185.)

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