Why the study?
Can radiofrequency catheter ablation of the slow pathway for AVNRT lead to postural orthostatic tachycardia syndrome (POTS)?
Can radiofrequency catheter ablation of the slow pathway for AVNRT lead to postural orthostatic tachycardia syndrome (POTS)?
Postural orthostatic tachycardia syndrome (POTS) and inappropriate sinus tachycardia are uncommon but recognized complications following radiofrequency ablation for AVNRT.
Rare AVNRT ablation complication warrants procedural caution; leaves open exact circuit anatomy.
Despite atrioventricular nodal reentrant tachycardia (AVNRT) being one of the most common arrhythmias in clinical practice, its exact anatomic circuit remains elusive. Radiofrequency catheter ablation of the slow pathway has been used extensively for the treatment of AVNRT with a high success rate and overall low incidence of complications. The incidence of complete heart block as a result of radiofrequency ablation is under 1% among experienced operators. There has been a small number of reports of inappropriate sinus tachycardia but also postural orthostatic tachycardia syndrome (POTS) following radiofrequency ablation of AVNRT.
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Lypourlis et al. (2024) studied this question.
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