METHOD FOR DETERMINATION OF PREDICTORS OF SINOATRIAL NODE PRESERVED FUNCTION IN PATIENTS WITH LONG-TERM PERSISTENT ATRIAL FIBRILLATION Russian patent published in 2017 - IPC A61B5/02 G01N33/50 

FIELD: medicine.

SUBSTANCE: essence of the method: for patients with long-term persistent atrial fibrillation, prior to operation while probing the heart cavities or intraoperatively after connecting the cardiopulmonary bypass, but prior to the main stage of the operation, without introduction of sympathomimetic drugs, blood samples are taken from the ascending aorta and coronary sinus with determination of the norepinephrine, metanephrine and normetanephrine level. When the threshold values for norepinephrine in the coronary sinus exceed 819.9 pg/ml, metanephrine in the ascending aorta exceeds 18.83 pg/ml, normetanephrine in the ascending aorta exceeds 15.27 pg/ml, as predictors of the preserved function of the sinoatrial node, such patient is subject to surgical treatment of long-term persistent atrial fibrillation with a high degree of efficacy. Use of the invention provides an increase in the effectiveness of surgical treatment of long-term persistent atrial fibrillation.

EFFECT: predictability of the effectiveness of surgical treatment of atrial fibrillation and the release of patients from the need for conducting pacing and antiarrhythmic therapy in the postoperative period.

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