Methods After transient blocked by balloon, the fistula of a patient with sick sinus syndrome, caused by right coronary artery fistula, was treated with radiofrequency.

• 方法对一例右冠状动脉瘘致缺血性病态窦房结综合征患者,经皮导管在右冠状动脉瘘血管开口近端作暂时球囊封堵后,用冠脉导丝电极释放射频电流闭塞瘘血管。