Why the study?
Creating lateral mitral isthmus block using RF catheter ablation is occasionally challenging due to epicardial conduction preventing bidirectional block.
Does cryoballoon ablation eliminate epicardial conduction over the lateral mitral isthmus refractory to radiofrequency and chemical ablation?
Population
One patient with epicardial conduction over the lateral mitral isthmus refractory to RF and chemical ablation
Comparison
Cryoballoon ablation
Design
Case report
Authors
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May facilitate mitral isthmus block after RF failure; hypothesis-generating and requires prospective validation.
Does cryoballoon ablation eliminate epicardial conduction over the lateral mitral isthmus refractory to radiofrequency and chemical ablation?
Cryoballoon ablation may be an effective alternative for achieving lateral mitral isthmus block when radiofrequency and chemical ablation fail due to epicardial conduction.
Hasebe et al. (2024) studied this question.
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