Transseptal puncture from the jugular vein and balloon cryoablation for atrial fibrillation in a patient with azygos continuation of an interrupted inferior vena cava
Europace : European Pacing, Arrhythmias, and Cardiac Electrophysiology : Journal of the Working Groups on Cardiac Pacing, Arrhythmias, and Cardiac Cellular Electrophysiology of the European Society of Cardiology
Artur BaszkoAndrzej Szyszka
Abstract
Inferior vena cava (IVC) interruption is a rare anatomic variant where the azygos vein (AV) drains the blood from the IVC to the upper part of the right atrium via the superior vena cava. Here, we report balloon cryoablation of the pulmonary veins (PVs) via superior access in a patient with atrial fibrillation. After the first failed ablation attempt due to IVC interruption, balloon cryoablation with a 28-mm Arctic Front Advance cryoballoon (Medtronic CryoCath LP, Quebec, Canada) via superior access was performed; it requires only a single transseptal puncture (TP), and the patient had optimal PV anatomy. Deflectable electrodes were inserted into the right ventricle and coronary sinus from the right femoral vein. The right internal jugular vein was accessed using an SL0 transseptal sheath and BRK needle. The TP was performed under transoesophageal echocardiographic guidance with a Safe Sept wire because the septum was stiff. All PVs were engaged: the left using an ablation catheter before balloon insertion and the inferior following a 'push-up' technique because of a leak above the veins. Cryothermal energy was delivered after checking for occlusion. The procedure lasted 210 min, fluoroscopy time was 78 min, and air-kerma dose ...Continue Reading
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