Ahmet Arnaz1, A Ümit Güllü1, Ahmet Akyol2, Ertuğrul Zencirci2, Şahin Şenay1, Aleks Değirmencioğlu2, Muharrem Koçyiğit3, Cem Alhan1. 1. Department of Cardiovascular Surgery, Acıbadem Mehmet Ali Aydınlar University, School of Medicine, İstanbul, Turkey. 2. Department of Cardiology, Acıbadem Mehmet Ali Aydınlar University, School of Medicine, İstanbul, Turkey. 3. Department of Anesthesiology and Reanimation, Acıbadem Mehmet Ali Aydınlar University, School of Medicine, İstanbul, Turkey.
Abstract
BACKGROUND: In this study, we aimed to present mid-term results of concomitant argon-based cryoablation in patients undergoing cardiac surgery. METHODS: Between August 2014 and May 2016, 33 patients (17 males, 16 females; mean age 63.9 years; range 45 to 82 years) underwent the Maze procedure using cryoablation for the treatment of atrial fibrillation during a concomitant open cardiac operation. Robot-assisted procedures were used in 12 patients. Biatrial or isolated left atrial ablation was performed according to the underlying pathology. The rhythm assessment with 12-lead electrocardiography and 24-hour Holter, and recordings of atrial fibrillation-related medications, stroke or other thromboembolic events were evaluated by the cardiologist at 3 and 12 months postoperatively. RESULTS: Thirty patients (90.9%) were in sinus rhythm and three (9.1%) were in atrial fibrillation at the time of discharge. Cryoablation failed in three patients (n=2, 8.3% in isolated left atrial and n=1, 11.1% in biatrial group) following the operation in the mid-term. Among the patients, there was no in-hospital mortality and no major postoperative complications such as stroke, sepsis, renal failure requiring dialysis, and prolonged respiratory failure. CONCLUSION: Concomitant surgical cryoablation is an effective method for the treatment of atrial fibrillation, when performed concomitantly with other cardiac surgical procedures and results in very low atrial fibrillation recurrence, even in robotic surgery.
BACKGROUND: In this study, we aimed to present mid-term results of concomitant argon-based cryoablation in patients undergoing cardiac surgery. METHODS: Between August 2014 and May 2016, 33 patients (17 males, 16 females; mean age 63.9 years; range 45 to 82 years) underwent the Maze procedure using cryoablation for the treatment of atrial fibrillation during a concomitant open cardiac operation. Robot-assisted procedures were used in 12 patients. Biatrial or isolated left atrial ablation was performed according to the underlying pathology. The rhythm assessment with 12-lead electrocardiography and 24-hour Holter, and recordings of atrial fibrillation-related medications, stroke or other thromboembolic events were evaluated by the cardiologist at 3 and 12 months postoperatively. RESULTS: Thirty patients (90.9%) were in sinus rhythm and three (9.1%) were in atrial fibrillation at the time of discharge. Cryoablation failed in three patients (n=2, 8.3% in isolated left atrial and n=1, 11.1% in biatrial group) following the operation in the mid-term. Among the patients, there was no in-hospital mortality and no major postoperative complications such as stroke, sepsis, renal failure requiring dialysis, and prolonged respiratory failure. CONCLUSION: Concomitant surgical cryoablation is an effective method for the treatment of atrial fibrillation, when performed concomitantly with other cardiac surgical procedures and results in very low atrial fibrillation recurrence, even in robotic surgery.
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