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本文应用细胞电生理技术观察微波消融后心肌细胞电生理活动的改变，结果显示微波消融后消融灶内细胞坏死，细胞膜电活动消失，消融灶周围细胞跨膜电位异常改变局限于灶外８ｍｍ范围内，其灶外组织损伤范围和程度与射频消融者无显著差异，亦与消融灶大小无关。提示微波消融致心律失常作用与射频消融同样较小，临床应用具有安全性。此外，微波消融电极与标本表面相距２ｍｍ时仍能造成明显的消融灶。提示对范围较大、位置较深、电极难以与组织紧密接触的心律失常灶，微波消融亦能取得良好效果，较射频消融为优。
In this paper, electrophysiological observation of electrophysiological changes after microwave ablation electrophysiological changes in myocardial cells, the results show that after microwave ablation necrosis of the cells, the cell membrane electrical activity disappears, the transmembrane potential around the lesion is limited to within 8mm , The extent and extent of lesions outside the tissue and radio frequency ablation no significant difference, but also has nothing to do with the size of the lesion. Tip of the role of microwave ablation arrhythmia and radiofrequency ablation are equally small, clinical application of safety. In addition, microwave ablation electrodes and the specimen surface can still cause significant lesions 2mm away. Prompt for a larger range, the location is deeper, the electrode is difficult to close contact with the tissue arrhythmia, microwave ablation also achieved good results, compared with radiofrequency ablation as excellent.