Abstract
A 65-year-old man was referred for atrial fibrillation ablation to our center. Routine pre-procedure transthoracic and transoesophageal echocardiography and cardiac computed tomography examinations showed a normal interatrial septum and fossa ovalis anatomy. Access to left atrium was initially planned using a conventional transseptal needle puncture. During the procedure, several consecutive attempts in conjunction with intracardiac echocardiography support, failed to cross the septum. The procedure was then successfully carried out using a specifically designed radiofrequency transseptal catheter.
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Casella, M., Dello Russo, A., Pelargonio, G. et al. Fossa ovalis radiofrequency perforation in a difficult case of conventional transseptal puncture for atrial fibrillation ablation. J Interv Card Electrophysiol 21, 249–253 (2008). https://doi.org/10.1007/s10840-007-9194-x
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DOI: https://doi.org/10.1007/s10840-007-9194-x