Clinical observation on effects of radiofrequency ablation on frequent ventricular premature beats originating from the right ventricular outflow tract
LIU Zengzhang, et al. Clinical observation on effects of radiofrequency ablation on frequent ventricular premature beats originating from the right ventricular outflow tract[J]. Journal of Chongqing Medical University, 2003,(6):810-811.
LIU Zengzhang, et al. Clinical observation on effects of radiofrequency ablation on frequent ventricular premature beats originating from the right ventricular outflow tract[J]. Journal of Chongqing Medical University, 2003,(6):810-811. DOI: 10.13406/j.cnki.cyxb.2003.06.040.
Objective:To investigate effects and reliability of catheter radiofrequency ablation of frequent ventricular premature beats(VPBs) originating from the right ventricular outflow tract(RVOT).Methods:32 patients with frequent VPBs originating from RVOT were randomly divided into conventional mapping group(16 patients) and coronary sinus electrode mapping group(16 patients).They were ablated with conventional metheds.During follow-up 22±14 months
radiofrequency ablation short-term successful rate and long-term successful rate
reliability
and the clinical symptoms were recorded.Mapping duration was compared between conventional mapping group and coronary sinus electrode mapping group.Results:(1)Radiofrequency ablation short-term successful and long-term successful rate were 100%
93.8% respectively.No complications occurred.The clinical symptoms caused by VPBs disappeared after successful ablation.(2)Mapping duration of coronary sinus electrode mapping group was shorter than that of conventional mapping group.Conclusion:Successful rate and reliability of radiofrequency ablation of VPBs originating from RVOT were higher.Mapping duration was decreased by smart application of conventional catheter