FIELD: medicine.
SUBSTANCE: invention relates to medicine, namely to cardiology. Prior to the operation of radio frequency ablation (RFA), the values of the indicators are determined: left ventricular ejection fraction, rate of deformation of the lateral wall of the left atrium (LA) in the systole phase, deformation of the anterior wall of the LA in the phase of late diastole. Based on the obtained data, using the original discriminant function, the value of the indicator is calculated, allowing to determine the risk of recurrence of atrial fibrillation (AF) in the long term after the operation of RFA.
EFFECT: method allows at the stage of preparation for RFA in patients with anteroposterior size of LP not more than 5 cm with high accuracy to determine the risk of AF recurrence in the long term after the operation.
1 cl, 1 ex
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