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The analysis of radiofrequency catheter ablation in treating 78 patients with supraventricular tachycardia

Bao Zong

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Abstract

Objective:To analyze results of radiofrequency catheter ablation(RFCA).Methods:RFCA technique was applied in treating supraventricular tachycardia.Results:There were 54 accessory pathways(AP) in 52 patients with SVT mediated by atrioventrcular reentry(AVRT),49 APS had been ablated successfully.Success rate was 90.7%.Among them success rate of left AP(97.6%) was higher than that of right AP( 66.6 %).In 26 patients with SVT mediated by atrioventricular node reentry(AVNRT),only one case was failed to be ablated,success rate was 96.1%.The total success rate of 78 patients was 92.5%.No severe complications were found.During follow up period(2～42 months) SVT recurrenced in 5 patients.All of them were ablated successfully again.Conclusions:RFCA is safe and effective method in treating SVT.It was emphasized that target mapping,control of energy and time of ablation were key to success.

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What this paper is about

Objective:To analyze results of radiofrequency catheter ablation(RFCA).Methods:RFCA technique was applied in treating supraventricular tachycardia.Results:There were 54 accessory pathways(AP) in 52 patients with SVT mediated by atrioventrcular reentry(AVRT),49 APS had been ablated successfully.Success rate was 90.7%.Among them success rate of left AP(97.6%) was higher than that of right AP( 66.6 %).In 26 patients with SVT mediated by atrioventricular node reentry(AVNRT),only one case was failed to be ablated,success rate was 96.1%.The total success rate of 78 patients was 92.5%.No severe complications were found.During follow up period(2～42 months) SVT recurrenced in 5 patients.All of them were ablated successfully again.Conclusions:RFCA is safe and effective method in treating SVT.It was emphasized that target mapping,control of energy and time of ablation were key to success.

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Available abstract

Objective:To analyze results of radiofrequency catheter ablation(RFCA).Methods:RFCA technique was applied in treating supraventricular tachycardia.Results:There were 54 accessory pathways(AP) in 52 patients with SVT mediated by atrioventrcular reentry(AVRT),49 APS had been ablated successfully.Success rate was 90.7%.Among them success rate of left AP(97.6%) was higher than that of right AP( 66.6 %).In 26 patients with SVT mediated by atrioventricular node reentry(AVNRT),only one case was failed to be ablated,success rate was 96.1%.The total success rate of 78 patients was 92.5%.No severe complications were found.During follow up period(2～42 months) SVT recurrenced in 5 patients.All of them were ablated successfully again.Conclusions:RFCA is safe and effective method in treating SVT.It was emphasized that target mapping,control of energy and time of ablation were key to success.

Key concepts: Medicine, Supraventricular tachycardia, Reentry, Ablation, Radiofrequency catheter ablation, Cardiology, Tachycardia, Catheter ablation

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