ISSN 2149-2263 | E-ISSN 2149-2271
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Effects of combined mitral valve replacement and radiofrequency atrial ablation in chronic atrial fibrillation [Anatol J Cardiol]
Anatol J Cardiol. 2006; 6(1): 41-48

Effects of combined mitral valve replacement and radiofrequency atrial ablation in chronic atrial fibrillation

İlknur Bahar1, Ahmet Akgül1, Seyhan Babaroğlu2, Mehmet Ali Özatik1, Hasan Turhan3, Kamil Göl4, Erol Şener1, Oğuz Taşdemir1
1Türkiye Yüksek İhtisas Hastanesi Kalp Damar Cerrahisi Kliniği, Ankara, Türkiye
2Cardiovascular Surgery Clinic, Türkiye Yüksek Ihtisas Hospital, Ankara, Turkey
3Clinic of Cardiology, Gözde Hospital, Malatya-Turkey
4Department of Cardiovascular Surgery Faculty of Medicine, Ondokuz Mayıs University, Samsun, Turkey

Objective: The aim of the study is to find out the efficacy of radiofrequency catheter atrial ablation (RF) simultaneously done with mitral valve replacement (MVR) surgery in patients having rheumatic mitral valve disease with chronic atrial fibrillation and to evaluate the short-term postoperative results. Methods: Seventeen patients underwent MVR surgery and intraoperative RFA were done simultaneously to eight of these patients whe- reas remaining nine of them were assigned to control group. Patients were assessed preoperatively, at time of discharge, and 1th, 6th and 12th months controls. Atrial and ventricular functions were evaluated with echocardiography, serum atrial natriuretic peptide (ANP) levels were investigated and electrocardiograms were recorded in all patients. Results: Demographically there were no significant differences between two groups. Radiofrequency ablation group had longer aortic cross-clamping and cardiopulmonary bypass times. Sinus rhythm was established in seven patients of RF group at postoperative 12th month. However, all patients of this group experienced sinus rhythm at postoperative sixth month whereas 'atrial kick' was detected in five of them. Significantly increased ejection fraction, decreased pulmonary artery pressure and decreased left atrial diameter were ob- served in RF group compared to control group. Serum ANP levels were found to be significantly decreased as compared to preoperative periods in both groups. Conclusion: Although RF ablation has higher costs, this technique is efficient and useful to restore the sinus rhythm and to recover the atrial functions back in patients having rheumatic mitral valve disease.

Keywords: Atrial fibrillation, mitral valve replacement, radiofrequency ablation

İlknur Bahar, Ahmet Akgül, Seyhan Babaroğlu, Mehmet Ali Özatik, Hasan Turhan, Kamil Göl, Erol Şener, Oğuz Taşdemir. Effects of combined mitral valve replacement and radiofrequency atrial ablation in chronic atrial fibrillation. Anatol J Cardiol. 2006; 6(1): 41-48
Manuscript Language: English


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