Khair G Z, Tristani F E
Pacing Clin Electrophysiol. 1979 Jan;2(1):51-7. doi: 10.1111/j.1540-8159.1979.tb05175.x.
A 64-year-old man, had an apicardial demand pacemaker implanted for treatment of Mobitz type II heart block. Two sutureless myocardial electrodes were inserted, but a unipolar system was used based on stimulation threshold and sensitivity measurements. Fourteen months later the patient presented with pacing failure caused by a fracture of the corkscrew electrode with wide separation of the broken ends. The pacemaker, however, continued to inhibit satisfactorily. Pacing was successfully reestablished employing the second available lead. To our knowledge, there has been no publication reporting this type of failure of the sutureless myocardial electrode.
一名64岁男性因莫氏Ⅱ型心脏传导阻滞植入心尖按需起搏器。插入了两根无缝合心肌电极，但基于刺激阈值和灵敏度测量采用了单极系统。14个月后，患者出现起搏失败，原因是螺旋电极断裂，断端分离较宽。然而，起搏器仍能令人满意地抑制。使用备用的第二根电极成功恢复了起搏。据我们所知，尚无关于这种无缝合心肌电极失败类型的报道。
