Left atrial anomalous muscular band detected by computed tomography before catheter ablation in a patient with atrial fibrillation

Journal of Arrhythmia
Katsunori OkajimaAkira Shimane

Abstract

A 65-year-old man was referred to our hospital with persistent atrial fibrillation (AF). Before the ablation procedure, 3-dimensional computed tomography revealed a left atrial anomalous muscular band connecting the posterior side of the left atrial roof and the right edge of the fossa ovalis. During the first ablation procedure, the band interfered with the manipulation of the catheter, resulting in only the left pulmonary vein (PV) being isolated. However, AF recurred. During the second procedure, careful catheter manipulation permitted complete right PV isolation, after which, the patient has not had AF recurrence for more than 3 years.

References

Jul 26, 2008·Circulation Journal : Official Journal of the Japanese Circulation Society·Teiichi YamaneMichihiro Yoshimura

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Citations

Jul 31, 2016·Journal of Cardiothoracic and Vascular Anesthesia·John PapanikolaouEpaminondas Zakynthinos

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