Linear Lesion Cryoablation for the Treatment of Atrioventricular Nodal Re-entry Tachycardia in Pediatrics and Young Adults

被引:27
作者
Czosek, Richard J. [1 ]
Anderson, Jeffery [1 ]
Marino, Bradley S. [1 ]
Connor, Chad [1 ]
Knilans, Timothy K. [1 ]
机构
[1] Cincinnati Childrens Hosp, Med Ctr, Div Pediat Cardiol, Heart Ctr,Dept Pediat, Cincinnati, OH 45229 USA
来源
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2010年 / 33卷 / 11期
关键词
arrhythmia; atrioventricular nodal re-entry tachycardia; cryoablation; catheter ablation; children; RADIOFREQUENCY CATHETER ABLATION; SLOW PATHWAY ABLATION; FREEZE-THAW CYCLES; FOLLOW-UP; CRYOSURGERY; EXPERIENCE; CONDUCTION; CHILDREN; EFFICACY; 4-MM;
D O I
10.1111/j.1540-8159.2010.02811.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Methods: Single institution retrospective cohort study. Each patient underwent slow pathway modification using either RF, single lesion cryoablation, or LLC. Procedural success, recurrence, freedom from tachycardia 12 months following ablation and fluoroscopy time were compared between ablation methods. Results: A total of 125 patients, median age 15.5 (4.7-23.1) years, underwent ablation: 32 RF energy, 31 single lesion cryoablation, 62 LLC. Procedural success was obtained in 94% of the LLC group compared to 58% using single lesion cryoablation (P < 0.001). Ninety-seven percent of the LLC group was free from tachycardia recurrence, significantly higher than with single lesion cryoablation (68%, P = 0.001) and equal to that of RF (97%, P = NS). Fluoroscopy time was reduced in the LLC group compared to both single lesion and RF groups (P = 0.02). There was no permanent AV nodal injury in the cryoablation groups. Conclusion: LLC is an effective means of treatment for AVNRT and is associated with significantly improved procedural success and freedom from recurrence compared to single lesion methods, while at the same time obtaining equivalent efficacy to RF. (PACE 2010; 1304-1311).
引用
收藏
页码:1304 / 1311
页数:8
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