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High-Frequency Spinal Cord Stimulation in a Patient with an Implanted Cardiac Device
Narayan R Kissoon1, Bryan C Hoelzer1, David P Martin1
1Division of Pain Medicine, Department of Anesthesiology, Mayo Clinic, Rochester, Minnesota, U.S.A.
Background:
New advances in spinal cord stimulation have led to improved treatment of patients suffering from chronic pain. While the overall safety of newer stimulation devices has been established, no published reports exist regarding safety considerations when these devices are implanted in patients with a preexisting cardiac device.
Case Report:
An 83-year-old man with a history of out-of-hospital cardiac arrest secondary to an episode of ventricular fibrillation underwent automated implantable cardiac defibrillator placement. Concomitantly, he suffered from intractable chronic low axial back pain and was deemed a candidate for high-frequency (10 kHz) spinal cord stimulation (SCS). Cardiac monitoring during SCS trial and implantation was performed with no interference noted. Following high-frequency SCS implantation, the patient was observed to have significant pain relief with functional improvement.
Discussion:
While others have reported safety during traditional SCS in patients with implanted cardiac devices, this is the first case report to describe safe and effective use of high-frequency SCS in a patient with an implanted cardiac device.
