Cor Vasa 2025, 67(3):367-375 | DOI: 10.33678/cor.2025.007
Efficacy of Left Atrial Radiofrequency Surgical Ablation in Patients with Atrial Fibrillation and Concomitant Cardiac Surgical Pathology
- a Department of Adult Cardiac Surgery, Clinic for Adults, Scientific-Practical Medical Center for Pediatric Cardiology and Cardiac Surgery, Kyiv, Ukraine
- b Department of Cardiometabolic Diseases, Clinic for Adults, Scientific-Practical Medical Center for Pediatric Cardiology and Cardiac Surgery, Kyiv, Ukraine
- c Department of Children's Cardiology and Cardiac Surgery, Shupyk National Healthcare University of Ukraine, Kyiv, Ukraine
Aim: The aim of the study was to determine the feasibility of left atrial surgical ablation in patients with atrial fibrillation and concomitant cardiovascular diseases.
Methods: The experiment was conducted at the Scientific and Practical Medical Centre of Paediatric Cardiology and Cardiac Surgery, Adult Clinic (Kyiv, Ukraine, 2024). A total of 69 patients who underwent surgical treatment for atrial fibrillation and concomitant cardiovascular disease took part in the study.
Results: It was found that after the procedure of left atrial surgical ablation of the atrial fibrillation focus, the sinus node was the rhythm driver in 45 patients (65% of all). In 18 patients (26%), rhythm disturbances remained in the form of atrial fibrillation, 4 patients (6%) had atrial flutter, and 2 patients (3%) had left atrial flutter. Among the study participants, almost 61% (42 patients) had a long-standing form of atrial fibrillation and an average left atrial size of 5.2 ± 0.6 cm, which significantly worsened the results of surgical treatment. The efficacy of radiofrequency ablation was lower in patients with traditional predictors of failure, namely, patients over 70 years of age, left atrial size of 5 cm or more, atrial fibrillation duration of more than 5 years, and persistent and long-standing atrial fibrillation.
Conclusions: The study concluded that radiofrequency ablation of the left atrium alone was conditionally successful in patients with shorter duration of atrial fibrillation and smaller left atrial size.
Keywords: Cardiac arrhythmias, Cardiovascular diseases, Thoracoscopic access, Hybrid techniques, Cox-Maze IV surgery,
Received: November 29, 2024; Revised: January 6, 2025; Accepted: January 14, 2025; Prepublished online: June 2, 2012; Published: June 20, 2025 Show citation
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