St. Jude Medical 3875, User Manual

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(nerves to chest, shoulder and arm); postoperative
pain, stress, or discomfort; neuropathy (nerve
degeneration); hemiparesis (muscular weakness or
partial paralysis on one side of body); ballism or
hemiballism (uncontrollable movements on both or
only one side of the body); confusion—transient,
nocturnal or ongoing; cognitive impairment, including
delirium, dementia, disorientation, psychosis and
speech difficulties; aphasia; deep vein thrombosis;
complications from anesthesia; phlebitis (vein
inflammation); pulmonary embolism (sudden blood
vessel obstruction); aborted procedures (air
embolism, unable to find target, surgical complication,
etc.); complications from unusual physiological
variations in patients, including foreign body rejection
phenomena; pneumonia, seizure or convulsions;
paralysis (loss of motor function, inability to move);
stroke and death.
Possible deep brain stimulation complications.
Deep brain stimulation complications include, but are
not limited to, the following:

Device-related complications
- Undesirable changes in stimulation related to
cellular changes in tissue around the
electrodes, changes in the electrode position,
loose electrical connections, or lead fracture
- Loss of therapeutic benefit as a result of
change in electrode positions, loose electrical
connections, or lead or extension fracture