Dear Dr. Borigini, I have chronic lower back pain and hip pain related to a herniated disc, degenerative disc disease, stenosis , and arthritis in my spine and hips. I had surgery about 3 years ago to repair nerve root damage caused by a botched laminectomy about 4 years ago. The nerve damage resulted in foot drop in my right foot/calf. My question is that recently, I have noticed that when I stand or sit for more that about 5-10 minutes my feet (both) start to feel like, well, the only way I can describe it is if you have been working on your feet for about 8-10 hours. They feel swollen and painful. They do not change color or anything, at least not that I can tell. But when I lift one up, changing my weight from one to the other, it feels like the blood is rushing back to that foot. The only way to relieve the "pressure" is to sit and raise both my feet up on a stool or coffee table. I hope you can understand what I am describing. If you have worked on your feet all day you know the fe...
Alternative Names Neuropathy - tibial nerve Symptoms Sensation changes on the bottom of the foot
Numbness , tingling, or other abnormal sensations
Pain Weakness of the knee or foot, difficulty with walking Signs and tests Neuromuscular examination of the legs shows tibial nerve dysfunction. There may be weakness or inability to push the foot downward (plantar flexion). Severe cases may cause wasting of the foot muscles and foot deformity. Tests that reveal tibial nerve dysfunction may include: EMG (a recording of electrical activity in muscles) Nerve conduction tests (recording of electrical activity along the nerve) Nerve biopsy Tests are done based on the suspected cause of the dysfunction suggested by the patient's history, symptoms, and pattern of symptom development. They may include various blood tests, x-rays, scans, or other tests.
Complex regional pain syndrome (CRPS) is a mystery. Every year 15,000 people in the United States are affected. After trauma of some kind to the arm or leg, pain and other symptoms persist long after healing has taken place. There are many theories to explain what went wrong but no known causes. In this study scientists find evidence to support the idea of nerve damage as a possible mechanism. Skin biopsies were taken from 18 adults with CRPS-I. CRPS-I is one of two types of CRPS. In this type patients don't have a known nerve injury. Skin biopsy is a sensitive test of small nerve fiber damage. Researchers counted the number of neurites (nerve endings). The loss of neurites may cause pain by triggering an overresponse on the part of the rest of the neurons still left. Seven control subjects were also biopsied. The control group had similar symptoms from traumatic injury or knee osteoarthritis but they didn't have CRPS. The scientists wanted to see if neurite losses occur with trauma of ...
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