I.V. ABDULIANOV^1,2, M.A. SUNGATULLIN^1,2, I.I. VAGIZOV¹, R.K. DZHORDZHIKIA¹, M.N. MUKHARYAMOV¹

¹Interregional Clinical Diagnostic Center, 12A Karbysheva Str., Kazan, Russian Federation, 420104

²KSMA — Branch Campus of the FSBEI FPE RMACPE MOH, Russia, 36 Butlerov Str., Kazan, Russian Federation, 420012

 Abdulianov I.V. — Ph. D. (medicine), Associate Professor of the Department of Cardiology, Endovascular and Cardiovascular Surgery, e-mail: [email protected], ORCID ID: 0000-0003-2892-2827

Sungatullin M.A. — Cardiovascular Surgeon, e-mail: [email protected], ORCID ID: 0000-0002-6711-573X

Vagizov I.I. — Cardiovascular Surgeon, e-mail: [email protected]

Dzhordzhikia R.K. — D. Sc. (medicine), Professor, e-mail: [email protected]

Mukharyamov M.N. — Ph. D. (medicine), Cardiovascular Surgeon, e-mail: [email protected], ORCID ID: 0000-0001-5814-7177

To evaluate the effectiveness of the clinical results of biatrial and left atrial RFA in patients with mitral valve replacement under conditions of artificial blood circulation.

Material and methods. The study included 96 patients with long-term persistent atrial fibrillation (AF) and mitral valve disease. Depending on the method used for the treatment of AF, the patients were divided into two groups. Biatrial RFA was conducted for 40 patients, the second group of left atrial RFA – RFA only on the left atrium – 56 patients.

Results. When examining patients 2 years after surgical treatment, sinus rhythm was observed in 72.5% (29 patients) of cases (p=0.078, 95% CI). Evaluation of the results of the study at a period of 22±5 months after surgical treatment, sinus rhythm was preserved in 41 patients from the study group, which was 73.2%.

The conclusion. Surgical ablation is safe and provides long-term preservation of sinus rhythm of the heart. Biathrial and left atrial surgical ablation methods are equally clinically effective in the treatment of AF (p=0.078, 95% CI). Carrying out left atrial RFA is more secure than performing biatrial RFA.

Key words: surgical ablation, left atrial RFA, mitral valve replacement, atrial fibrillation.

(For citation: Abdulianov I.V., Sungatullin M.A., Vagizov I.I., Dzhordzhikia R.K., Mukharyamov M.N. Comparison of the effectiveness of surgical treatment of persistent atrial fibrillation using biatrial and left atrial radiofrequency ablation in patients with mitral valve replacement. Practical Medicine. 2018)

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