• The Best Clinic
    2017
  • The Best Clinic
    2018

    Endocardial radiofrequency (RF) ablation treatment for atrial fibrillation (AF)

    Endocardial radiofrequency (RF) ablation treatment for atrial fibrillation (AF)

    Atrial fibrillation is a supraventricular tachyarrhythmia with the chaotic uncoordinated electrical activity of the atria with subsequent deterioration of their contractile function. The absence of atrial contractions predisposes to blood clots. The risk of stroke is higher in older patients and in patients with rheumatic heart valve disease, hyperthyroidism, hypertension, diabetes, left ventricular systolic dysfunction or previous thromboembolic events. Systemic embolism can also lead to necrosis of other organs (heart, kidneys, gastrointestinal tract, eyes) or limbs. Atrial fibrillation can also reduce cardiac output; the absence of atrial contraction can reduce cardiac output in normosystole by about 10%. 

    Causes of pathology 

    The development of arrhythmia is associated with the presence of cardiovascular pathologies, which are the cause of its appearance:

    • Cardiomyopathy.
    • Congenital heart defects accompanied by defects in valves and septa.
    • Inflammatory lesions of the heart.
    • Ischemia.
    • Benign tumours.
    • Syndrome of high blood pressure.
    • Heart failure.

    Diagnosis in Tel Aviv Medical Clinic is carried out on the latest high-tech equipment, which allows determining the presence of atrial fibrillation, the degree and type of violation according to the established criteria. 

    Endocardial radiofrequency (RF) ablation treatment for atrial fibrillation (AF)

    Radiofrequency ablation is one of the most modern methods of treating certain types of cardiac arrhythmias. This type of treatment refers to non-invasive interventions since it does not require any incisions or access to the heart, but sometimes the procedure is performed during open-heart surgery. 

    Radiofrequency ablation is performed using a thin flexible guide catheter, which is inserted through a blood vessel and brought to the source of a pathological rhythm in the heart that causes arrhythmia. Further, a radiofrequency pulse is supplied through this conductor, which destroys the tissue site responsible for the irregular rhythm.

    Relative contraindications to the procedure are unstable angina; uncontrolled heart failure; coagulation system disorders; pronounced electrolyte disturbances, stenosis of the left coronary artery trunk more than 75%, a high degree of valvular or subvalvular aortic valve stenosis, the first 4 days of acute myocardial infarction.

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