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Background: Cryoablation (CRYO) is an alternative to radiofrequency (RF) ablation in the treatment of atrioventricular nodal reentrant tachycardia (AVNRT). This study aims to evaluate the differences in patient pain perception and operator stress between CRYO and RF ablation in the treatment of AVNRT.Methods: Patients with supraventricular tachycardia underwent electrophysiology study. Twenty patients (eight males, age 46.5 ± 12.5 years) diagnosed with AVNRT were randomized to receive CRYO (11) with a 6‐mm‐tip catheter or RF (nine) with a 4‐mm‐tip catheter. Patients’ pain perception and operator stress were assessed with a visual analogue scale (VAS) from 0 to 10 at the end of procedure....
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