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|Spinal Stenosis: The Basics|
|Written by thematrix777|
|01 October 2010|
Spinal Stenosis: The Basics
Spinal stenosis is narrowing of the spinal cord that causes pressure on the spinal cord, or narrowing of the openings (called neural foramina) where spinal nerves leave the spinal column.
Pseudo-claudication; Central spinal stenosis; Foraminal spinal stenosis
Spinal stenosis typically develops as a person ages and the disks become drier and start to shrink. At the same time, the bones and ligaments of the spine swell or grow larger due to arthritis or chronic inflammation.
However, other problems, including infection and birth defects, can sometimes cause spinal stenosis.
Spinal stenosis may be caused by:
Often, symptoms will be present and gradually worsen over time. Most often, symptoms will be on one side of the body or the other.
Symptoms are more likely to be present or get worse when you stand or walk upright. They will often lessen or disappear when you sit down or lean forward. Most people with spinal stenosis cannot walk for a long period of time.
Patients with spinal stenosis may be able to ride a bicycle with little pain.
More serious symptoms include:
Exams and Tests
During the physical exam, your doctor will try to pinpoint the location of the pain and figure out how it affects your movement. You will be asked to:
Your doctor will also move your legs in different positions, including bending and straightening your knees. All the while, the doctor is assessing your strength, as well as your ability to move.
To test nerve function, the doctor will use a rubber hammer to check your reflexes. Touching your legs in many locations with a pin, cotton swab, or feather tests your sensory nervous system (how well you feel). Your doctor will instruct you to speak up if there are areas where the sensation from the pin, cotton, or feather is duller.
A brain/nervous system (neurological) examination can confirm leg weakness and decreased sensation in the legs. The following tests may be done:
When your back pain does not go away completely, or it gets more painful at times, learning to take care of your back at home and prevent repeat episodes of your back pain can help you avoid surgery. Your doctor and other health professionals will help you manage your pain and keep you as active as possible.
Generally, conservative management is encouraged. This involves the use of medications, physical therapy, and lifestyle changes. Steroid injections may relieve pain for a period of time.
Various other medications may help with chronic pain, including phenytoin, carbamazepine, or tricyclic antidepressants such as amitriptyline.
For more information about treatment, see: Low back pain - chronic
If the pain is persistent and does not respond to these measures, surgery is considered to relieve the pressure on the nerves or spinal cord. Surgery is performed on the neck or lower back, depending on the site of the nerve compression.
Article from About.com http://adam.about.com/encyclopedia/infectiousdiseases/Spinal-stenosis.htm