Key result
Ablating Ligament of Marshall potentials abolishes atrial tachycardias following single ring pulmonary vein isolation.
Population
5 patients with organized atrial tachycardias involving the Ligament of Marshall region, identified from a…
Design
Case_series
Authors
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May support targeting Ligament of Marshall potentials to terminate post-PVI tachycardias; hypothesis-generating and requires prospective validation.
Observational (n=240)
Organized atrial tachycardias after PVI can utilize the Ligament of Marshall region and can be successfully ablated by targeting small diastolic potentials in the LAA/ridge region.
Chik et al. (2014) conducted an observational in Atrial tachycardias following pulmonary vein isolation for atrial fibrillation (n=240). Ablation of presystolic or mid-diastolic potentials in the Ligament of Marshall region was evaluated on Abolition of tachycardia. Ablation of presystolic or mid-diastolic potentials in the Ligament of Marshall region successfully abolished atrial tachycardias in 5 patients following single ring pulmonary vein isolation.
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