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Chinese Journal of Interventional Radiology(Electronic Edition) ›› 2016, Vol. 04 ›› Issue (04): 202-206. doi: 10.3877/cma.j.issn.2095-5782.2016.04.004

Special Issue:

• Heart Intervention • Previous Articles     Next Articles

Predictive value of deceleration capacity of heart rate combined with fibrillatory wave amplitude on lead V1 of surface electrocardiography in atrial fibrillation patients with recurrence after radiofrequency catheter ablation

Wei Song1, Wenju Yan1, Huanyi Zhang1, Zhongxiu Guo1, Fazhan Zhou1,()   

  1. 1. Department of Cardiology, Taian City Center Hospital, Taian 271000, China
  • Received:2016-10-02 Online:2016-11-01 Published:2016-11-01
  • Contact: Fazhan Zhou
  • About author:
    Corresponding author: Zhou Fazhan,Email:

Abstract:

Objective:

To explore the predictive value of deceleration capacity of heart rate(DC) combined with fibrillatory wave amplitude on lead V1 of surface electrocardiography in atrial fibrillation (AF) patients with recurrence after radiofrequency catheter ablation.

Methods:

56 AF patients who underwent radio frequency catheter ablation for the first time from June 2015 to June 2016 were selected for this study. According to the follow-up results, these patients were divided into the non-recurrent group (n=36) and the recurrent group (n=20). Their basic information, DC values, fibrillatory wave amplitude on lead V1 of surface electrocardiography were collected and compared to establish a Logistic regression model, based on which, the risk factors for AF patients after radiofrequency catheter ablation were screened. DC values, fibrillatory wave amplitude on lead V1 of surface electrocardiography and the combination of the two methods were depicted into Receiver operating curve (ROC), and to evaluate the predictive value of the combination of the two methods on the recurrence of the AF patients who underwent radio frequency catheter ablation.

Results:

The DC value in the recurrence group (5.89±1.00) was higher than that in the non recurrence group(4.88±0.99). The fibrillatory wave amplitude on lead V1 of surface electrocardiography in the recurrence group (0.094±0.014 mV) was less than that in the non recurrence group(0.109±0.018 mV) (all P<0.05). Postoperative DC was significantly decreased compared with the preoperative value. Multivariate Logistic regression analysis showed that the DC value、fibrillatory wave amplitude on lead V1 of surface electrocardiography are independent risk factors for recurrence after radiofrequency ablation in AF patients. The ROC curves of DC and mean amplitude showed AUC were 0.764 and 0.748(P=0.86). The ROC curves of combination of the two methods showed AUC was 0.837, higher than their respective values (P < 0.05).

Conclusions:

Deceleration capacity of heart rate(DC) combined with fibrillatory wave amplitude on lead V1 of surface electrocardiography has a predictive value in atrial fibrillation(AF) patients who likely will have recurrence after radiofrequency catheter ablation.

Key words: Deceleration capacity of heart rate, Fibrillatory wave amplitude, Atrial fibrillation, Catheter radiofrequency ablation, Recurrence

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