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Title: Radiofrequency Catheter Ablation for Frequent Premature Ventricular Contractions : A Preliminary Report of 15 Cases
Authors: Ongkarn Raungratanaamporn
Kiertijai Bhuripanyo
Rungroj Krittayaphong
Kanchana Wansanit
Charuwan Kangkagate
Suphachai Chaithiraphan
Mahidol University
Keywords: Medicine
Issue Date: 1-Feb-1998
Citation: Journal of the Medical Association of Thailand. Vol.81, No.2 (1998), 98-102
Abstract: Between February 1995 and March 1997, 15 patients, 13 women and 2 men, underwent radiofrequency catheter ablation (RFCA) for symptomatic frequent premature ventricular contractions (PVC's). The mean age was 43.3 ± 11.9 years. Thirteen patients (86.7%) had right PVC's and the remainder had both right and left PVC's. RFCA were done under local anesthesia, using both earliest endocardial activation time and pace mapping in complement. The immediate success rate was 14/15 (93%) with only minor complications in 2 patients (13.3%). The fluoroscopic and procedure times were 40.6 ± 24.0 and 170.7 ± 81.2 minutes, respectively. From the Holter monitoring, total PVC count, per cent of PVC per total heart beat in 24 hours and couplets count were significantly reduced, (more than 90%, p < 0.05), by RFCA. Triplets and repetitive ventricular tachycardia were totally abolished. During the follow-up period of 10.1 ± 7.5 months, 2 patients (14.3%) had recurrences of right PVC's within 2 weeks after ablation. Reablation was successfully done in both patients without recurrence, giving the final success rate of 93 per cent. In conclusion, RFCA could be safely performed with a high success rate in patients with symptomatic frequent PVC's. It can be considered an alternative treament in patients resistant to medical therapy.
ISSN: 01252208
Appears in Collections:Scopus 1991-2000

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