Abstract
We report a case of deep brain stimulation (DBS) hardware failure due to emergently performed subcutaneous coronary angioplasties complicated by cardioversion for rapid worsening of angina pectoris and some trouble shooting problems emerged after invasive cardiovascular procedures. The patient with prior implantation of permanent pacemaker due to vasovagal syndrome underwent successful left-sided unilateral electrode implantation into the subthalamic nucleus. During 21 months follow-up period the patient experienced 2 times episodes of aggravation of unstable angina pectoris 15 and 21 months respectively, which necessities emergent coronary angioplasties. After the first emergently performed coronary angioplasty with cardioversion the interrogation of DBS system revealed the depletion of an internal pulse generator (IPG). The secondly performed coronary angioplasty complicated by ventricular tachyarrhythmia with DBS system switched on during emergent cardioversion resulted in partial dysfunction of DBS electrode. Patients harboring cardiovascular implantable electronic devices (CIEDs) and DBS systems require special attention and good cooperation of neurosurgeons, interventional cardiologist, and neurologist. Some emergently performed invasive cardiovascular procedures which necessities cardioversion may cause DBS hardware failure with subsequent worsening of movement disorder symptoms.
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