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• The most common surgical procedural risks are temporary pain at the implant site and infection.
However, since the leads are placed in the epidural space, there is a small risk that spinal
fluid may leak from the lead insertion site following surgery. Very rarely, you may develop an
internal blood clot (hematoma) or blister (seroma); or you may experience epidural hemorrhage
or paralysis. Your spinal cord may become compressed.
• External sources of electromagnetic interference may cause the device to malfunction and affect
stimulation.
• MRI. Exposure to magnetic resonance imaging (MRI) can result in noticeable heat near the
Stimulator or the leads; may distort or destroy the image needed for diagnosis; and may produce
enough electromagnetic interference (EMI) to erase the Stimulator programming, destroy the
leads, or cause the leads to move from their intended location.
• Undesirable stimulation may occur over time due to cellular changes in tissue around the
electrodes, changes in electrode position, loose electrical connections and/or lead failure.
• You may experience painful electrical stimulation of your chest wall as a result of stimulation of
certain nerve roots several weeks after surgery.
• Over time, your implant may move from its original position.
Precision spectra™ system information for Patients
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