Miscellaneous peripheral nerve stimulations

Scenario A 39-year-old man presented to the emergency room (ER) at his local hospital with obesity and severe localized pain in the right groin after doing some cleanup and sweeping in his garage the previous weekend. After examination by ER staff and a consultation from the general surgeon on call, it was identified that he likely had a nonincarcerated inguinal hernia defect. He was told to…

Occipital nerve stimulation: trial and permanent

Scenario A 45-year-old woman presented in referral from a headache center with a long history of complex migraines and focal occipitoparietal head pain as well. The head pains seemed to be present all the time, or nearly so, while the more “typical” migraine, which was how she described it, came on every few days and lasted about a day or two. She had been prescribed numerous…

Peripheral field stimulation for Atypical face pain

Scenario A 37-year-old woman who had been in severe pain for over 4 years after three dental procedures was referred to the clinic. Two other oral surgeons and a pain physician who specializes in facial pain had seen her over the past 2 years and concluded that the pain was likely from damage to parts of the left superior and also, secondarily, to the inferior alveolar…

Case example and trial for peripheral nerve stimulation

Scenario A 32-year-old woman had been involved in a farm equipment accident several years earlier and required reconstruction of her right upper extremity with multiple skin grafts and muscle transfers. She had lost one and a half fingers on her hand and had a fused elbow but remained able to feel some areas in her hand and forearm as well as most regions more proximally. However,…

Programming cases for DBS in Parkinson’s Disease, dystonia, and tremor

DBS in STN for Parkinson's disease Scenario A 64-year-old male with an 11-year history of Parkinson's disease and bilateral segmental lead Subthalamic nucleus (STN) Deep Brain Stimulation (DBS) electrodes and implantable pulse generators (IPGs) placed 2 weeks prior to the visit presents to clinic for initial programming of his device. His primary symptoms were bradykinesias in both the upper and lower limbs. Up to the year…

Thalamic deep brain stimulation for essential tremor

Scenario A 68-year-old male is referred to discuss deep brain stimulation surgery for his upper extremity tremor, which has been characterized as essential tremor, also known as benign familial tremor. He reports a long history of tremors which began in early adulthood and initially were not bothersome. As they worsened over the years, he was initially treated with propranolol which improved his tremors, although it had…

Globus pallidus internus deep brain stimulation for dystonia

Scenario A 14-year-old female is referred to discuss deep brain stimulation surgery for idiopathic generalized dystonia. She is of Ashkenazi Jewish descent and presented in early childhood with dystonic movements of one leg, which later generalized. Multiple oral medications as well as botox injections were tried with limited relief over a period of several years and with different physicians. Genetic analysis revealed the Dopa-responsive dystonia (DYT)-1…

Subthalamic nucleus deep brain stimulation for Parkinson’s disease

Scenario A 65-year-old woman is referred to discuss deep brain stimulation surgery for Parkinson's disease (PD). She was diagnosed with PD at age 55, after presenting with dragging of the right side of her body. In retrospect, she reported some “slowness” of gait 2 years prior and had seen a number of physicians prior to the diagnosis being made. She does not report a history of…

Programming concerns with spinal cord stimulation

Scenario A 50-year-old woman with failed back surgery syndrome (FBSS) has been identified as a spinal cord stimulation (SCS) candidate by her pain management physician and is undergoing a one week trial. She is met shortly before the trial procedure to confirm the pain areas that the physician has evaluated to be treatable with SCS, provide an overview of the procedure, set expectations, and answer questions.…

Dorsal root ganglion stimulation

Scenario A 21-year-old woman presented in referral for treatment of a severe lower extremity pain. She had initially been treated after a horseback riding injury with a nondisplaced fracture of the fibula. Despite good bone healing, she had persistent pain of the limb and developed coldness to touch, skin discoloration, atrophy of the skin, shininess and excessive hair growth, and hyperhidrosis. She was diagnosed with complex…

Complications involving spinal cord stimulation and implantable pulse generators

Scenario A 42-year-old man came into the clinic as a referral to reposition or at least evaluate his spinal cord stimulator system. He had a long history of several revisions which he described at some length after a series of probing questions trying to unravel the precise history of what was done, when, and why. Some of these records were sent from other providers, and although…

Paddle lead trial in the case of a prior fusion

Scenario A 49-year-old woman is referred for placement of a spinal cord stimulator from a physiatrist who sees many patients with persisting back pain and failed back surgery syndrome in general. Although this physician does place trial leads in some patients, he typically is comfortable only with fairly straightforward placements and does not do any permanent placements or implantable pulse generator (IPG) replacements. In this patient,…

Paddle lead placement in the cervical spine region

Scenario A 52-year-old man is referred for placement of a cervical spine paddle lead after a successful trial by a pain physician in the community. He has had two anterior cervical discectomies with fusion in the past, at two separate levels (C45 and C56) at two separate times (3 years apart – first C56 and then C45). Although there had been improvement in his C6 distribution…

Paddle placement for failed back surgery syndrome

Scenario A 42-year-old woman is referred for placement of a paddle lead and implantable pulse generator (IPG) after a successful trial by an outside pain physician in the community. The woman has had three prior lumbar spine surgeries: initially, an L5-S1 R microdiscectomy, moderately successful, followed several years later by a generally unsuccessful L L45 microdiscectomy in which she had residual significant lower back pain but also…

Percutaneous trial case for complex regional pain syndrome

Scenario A 45-year-old female with a 2-year history of right lower extremity complex regional pain syndrome I (CRPS I) is referred by a community neurologist for a trial of spinal cord stimulation (SCS). The patient incurred an Achilles tendon injury at work that necessitated surgical repair. Several weeks after the surgery, the patient continued to have excessive burning pain with associated swelling, persistent erythema, and piercing…

Percutaneous trial lead placement for failed back surgery syndrome

Scenario A 57-year-old female with a history of L4-L5 and L5-S1 laminectomy and fusion presents with persistent axial back and left leg pain. She has been diagnosed with failed back surgery syndrome (FBSS). She has trialed several medial branch blocks and lumbar epidural steroid injections with minimal relief. She is currently taking gabapentin 300 mg three times daily and has participated in several courses of physical…

Global Brain Functions

Open full size image 17.1 Dementia Dementia is a group of symptoms affecting memory, thought processes, and social interactions to a sufficient extent to interfere with daily life. It is accompanied by cognitive changes such as memory loss, confusion, getting lost, inattention, diminished problem-solving ability, impaired reasoning, loss of organizational skills, and loss of coordination. Psychological changes also are seen, such as depression, anxiety, agitation, anger,…