Radiofrequency lesions produced by handheld temperature controlled probes for use in atrial fibrillation surgery.


OBJECTIVES Detailed analysis of the size and shape of lesions produced by handheld radiofrequency ablation devices at open heart surgery has not been reported previously. METHODS Radiofrequency lesions were made from the epicardial surface of the cardiac ventricles in open-chested dogs. The effects of electrode size, electrode temperature and duration of… (More)