Author + information
- Received February 16, 1993
- Revision received September 21, 1993
- Accepted October 20, 1993
- Published online March 1, 1994.
- Shih-Ann Chen, MD,
- Chern-En Chiang, MD,
- Chin-Juey Yang, MD,
- Chen-Chuan Cheng, MD,
- Tsu-Juey Wu, MD,
- Shih-Pu Wang, MD,
- Benjamin N. Chiang, MD, FACC and
- Mau-Song Chang, MD∗
- ↵∗Address for correspondence: Dr. Mau-Song Chang, Division of Cardiology, Department of Medicine, Veterans General Hospital, Taipei, 201 Sec 2. Shih Pai Road, Taipei, Taiwan, Republic of China.
Objectives. This study was designed to evaluate the clinical features, electrophysiologic characteristics and results of radio-frequency ablation in elderly patients with accessory atrioventricular (AV) pathways or AV node reentrant tachycardia. Background. Radiofrequency ablation in elderly patients with paroxysmal supraventricular tachycardia has not been well described, and comparative study between elderly and younger patients is limited.
Methods. Electrophysiologic studies and radiofrequency ablation were performed in 92 elderly patients (45 with an accessory pathway, 47 with AV node reentrant tachycardia).
Results. The elderly patients had poorer electrophysiologic properties in accessory pathways and dual AV node pathways than those of younger patients. The success rate of radiofrequency ablation was similar in elderly and younger patients. However, elderly patients had more complications (14%) in left-sided accessory pathways.
Conclusions. Radiofrequency ablation in elderly patients with supraventricular tachycardia was effective. However, it must be performed cautiously in those patients with left-sided accessory pathways.
☆ This study was supported in part by the Grants NSC 804412-8075-88, 81-0412-B075-525 from the National Science Council, Taipei and Academia Sinica, Taipei.
- Received February 16, 1993.
- Revision received September 21, 1993.
- Accepted October 20, 1993.