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Original ArticleOpen Access
Radiofrequency Catheter Ablation for Various Tachyarrhythmias: Experience in the Bangkok Heart Institute
Raungratanaamporn O 
,
Bhuripanyo K ,
Sriratanasathavorn C ,
Chotinaiwattarakul C
,
Bhuripanyo K ,
Sriratanasathavorn C ,
Chotinaiwattarakul C Radiofrequency catheter ablation (RFCA) is the first-line therapy for various tachyarrhy-
thmias. The authors reports experience of RFCA for various types of tachyarrhythmia in 80 consecu-
tive patients, 85 tracts of ablation, from May 2001 to October 1002. The mean age was 40 years, range
6-81 years. Seventy four and 13 tracts of ablation were supraventricular and ventricular arrhythmia,
respectively. The results are shown below.
AVNRT
AVRT
WPW
AFI
PAF
AT
PVC
VT
Total patients
21
13
8
5
10
9
II
2
Total pathway
23
13
8
6
10
10
II
2
Initial success (%)
100
100
100
100
100
90
100
100
Complication(%)
I (5)
0
0
0
1(10)
0
0
0
Recurrence
0
I (8)
0
I (20)
1(10)
0
1(9)
1(50)
Final success (%)
100
100
100
100
90
90
90
100
Overall success, complication, and recurrent rates were 94, 2.5 and 5.7%, respectively
AVNRT =atrioventricular nodal reentrant tachycardia, AVRT =atrioventricular reciprocating tachycardia,
WPW =Wolff-Parkinson-White, AFl =atrial flutter, PAF =paroxysmal atrial fibrillation, AT= atrial tachycardia,
PVC= premature ventricular contraction, VT =ventricular tachycardia, SNRT = sinus node reentry tachycardia.
SNRT
I
2
100
0
0
100
Conclusion : RFCA is an effective method to cure various types tachyarrhythmia. Long-term
follow-up should be evaluated in patients with paroxysmal atrial fibrillation.
Key word : Tachyarrhythmia, Radiofrequency, Ablation
thmias. The authors reports experience of RFCA for various types of tachyarrhythmia in 80 consecu-
tive patients, 85 tracts of ablation, from May 2001 to October 1002. The mean age was 40 years, range
6-81 years. Seventy four and 13 tracts of ablation were supraventricular and ventricular arrhythmia,
respectively. The results are shown below.
AVNRT
AVRT
WPW
AFI
PAF
AT
PVC
VT
Total patients
21
13
8
5
10
9
II
2
Total pathway
23
13
8
6
10
10
II
2
Initial success (%)
100
100
100
100
100
90
100
100
Complication(%)
I (5)
0
0
0
1(10)
0
0
0
Recurrence
0
I (8)
0
I (20)
1(10)
0
1(9)
1(50)
Final success (%)
100
100
100
100
90
90
90
100
Overall success, complication, and recurrent rates were 94, 2.5 and 5.7%, respectively
AVNRT =atrioventricular nodal reentrant tachycardia, AVRT =atrioventricular reciprocating tachycardia,
WPW =Wolff-Parkinson-White, AFl =atrial flutter, PAF =paroxysmal atrial fibrillation, AT= atrial tachycardia,
PVC= premature ventricular contraction, VT =ventricular tachycardia, SNRT = sinus node reentry tachycardia.
SNRT
I
2
100
0
0
100
Conclusion : RFCA is an effective method to cure various types tachyarrhythmia. Long-term
follow-up should be evaluated in patients with paroxysmal atrial fibrillation.
Key word : Tachyarrhythmia, Radiofrequency, Ablation
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