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cryo common ostium atrial fibrillation

Xiongbiao Chen, Pihua Fang, Zheng Liu, Jia He, Min Tang, Jun Liu, Bin Lu, Shu Zhang
BACKGROUND: The influence of pulmonary vein (PV) anatomy on cryo kinetics during cryoballoon (CB) ablation is unclear. OBJECTIVE: To investigate the relationship between PV anatomy and cryo kinetics during CB ablation for atrial fibrillation (AF). METHODS: Sixty consecutive patients were enrolled. PV anatomy, including ostial diameters (long, short and corrected), ratio between short and long diameters, ostium shape (round, oval, triangular, and narrow), and drainage pattern (typical, with common trunk, common antrum, ostial branch and supernumerary PV) were evaluated on multi-detector computed tomography (MDCT) images pre-procedure...
May 2018: Arquivos Brasileiros de Cardiologia
Kaushik Mandal, Aseem R Srivastava, L Wiley Nifong, W Randolph Chitwood
Atrial septal defect is one of the most common congenital heart anomalies in adults. Patients with partial atrioventricular canal defects, previously known as ostium primum atrial septal defect, usually present at an early age, and only a few reach adulthood without surgical correction. Herein, we describe a young woman who presented with an ostium primum defect and severe symptomatic mitral and tricuspid regurgitation with paroxysmal atrial fibrillation. A complex repair was successfully done through a left atrial approach using robot-assistance...
February 2016: Annals of Thoracic Surgery
Bengt Herweg, Rias Ali, Nadim Khan, Arzu Ilercil, S S Barold
BACKGROUND: We have observed contour changes of the barium-filled esophagus during atrial fibrillation (AF) ablation with cryo-energy delivered in direct proximity to the esophagus. OBJECTIVE: To evaluate the frequency, location, and severity of esophageal contour changes during cryo-energy application close to the esophagus. METHODS: We retrospectively analyzed cine-fluoroscopic images acquired during hybrid cryo-radiofrequency AF ablation in 100 consecutive patients with cryo-energy delivered only in direct proximity to the esophagus...
June 2009: Pacing and Clinical Electrophysiology: PACE
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