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151.
S.A.M. Said C.H.J.M. Ticheler C.M. Stassen A. Derks H.T. Droste 《Netherlands heart journal》2005,13(3):92-97
A 70-year-old woman with symptomatic Mobitz type II atrioventricular block underwent implantation of a dual-chamber pacemaker 11 years ago. The leads were inserted through a percutaneous puncture of the right subclavian vein, using standard techniques. Both leads were passive fixation leads. Due to battery failure and end of life criteria, the pulse generator (PG) had been routinely replaced six years previously. Predischarge pacemaker control revealed normal pacing, sensing thresholds and impedance for both leads. Because of a syncopal attack subsequent to lead fractures, most likely secondary to right subclavian crush syndrome (SCS) of both leads, she underwent a double lead re-implantation one year after PG replacement by access via left subclavian vein puncture.After a symptom-free period of few years she was re-analysed because of palpitations, dizziness, angina pectoris and tiredness. Pulmonary embolisation and myocardial perfusion defects were detected utilising scintigraphic techniques. Chest X-ray revealed the crushed atrial lead dislocated from the right subclavian region and lodged into the right ventricle towards the inferior septum. Because she was symptomatic, a retrieval technique was applied and the crushed atrial lead was pulled back from the right ventricle and securely fixed to its former position. On maintenance medical treatment, she remains well. 相似文献