Acta Medica Iranica 2002. 40(4):212-213.

"A comparison of unipolar versus bipolar mapping in the ablation of the manifest accessory pathways "
"Moghaddam M, Yamini Sharif A, Aminian F "


Accessory pathways (AP) are abnormal myocardial connections between atria and ventricles with electrical conductive properties. We performed radio frequency (RF) catheter ablation in 66 patients with manifest AP at Dr.Shariati Hospital during 5 years. Bipolar mapping was used in 48 patients and unipolar mapping in 18 patients of find the best site for RF energy delivery. We calculated total duration of the procedures, mean of RF energy dosage and delivery time, number of the lesions, and the success rate in each mode. We found that unipolar mode was preferred one for RF catheter ablation of the free wall accessory pathways.


Accessory pathway (AP), Unipolar, Bipolar, Radio frequency (RF), Catheter ablation,

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