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More Information on Myelograms
The myelogram looks for possible pressure on the spinal sac and its contents. Conditions producing the compression include arthritis, disc disease, tumors, spondylolisthesis (the partial dislocation of one vertebra over the one below it) and other rare spinal diseases. From the myelogram, the doctor can determine:
- Is the spinal fluid normal?
- Is there compression on the spinal cord (called spinal stenosis)?
- Is there compression on the spinal nerves? If present, what is the cause of the compression?
Things You Need to Do Before Your Myelogram
- Arrange to have someone drive you home after your myelogram.
- Ask someone to help you at home if there are small children or others dependent on you.
Instructions for After your Myelogram
To seal the small hole created by the injection and reduce the probability of headache, the following instructions need to be followed:
- For the first six hours, assume a semi-sitting position with your head elevated 20 to 30 degrees. This prevents the contrast media from going to your head and causing more symptoms.
- Bed rest lying flat for the next 48 hours is recommended. You may use a small pillow and lie on your back, side, or abdomen. You may get up only to use the bathroom and for approximately 15-20 minutes in the evening for a meal. After the 48-hour period, gradually resume your normal activity.
- Double or triple your daily fluid intake for two days to promote the formation of more spinal fluid. If you are nauseated, Coke, 7-Up, Vernors, broth, and tea can usually be tolerated. Do not force yourself to eat heavy foods.
- Your return office visit is normally scheduled one week following the myelogram. It is important that you pick up the myelogram films at the hospital and bring them with you for the doctor to review. The x-ray department will send a copy of the radiologist report, but will not send the films.
Possible Side Effects from a Myelogram
Patients sensitive to contrast media may develop a rash, headache, nausea, or vomiting. A spinal headache may also be caused from leakage of spinal fluid at the lumbar puncture site. Careful adherence to the activity restrictions and instructions will decrease the incidence of side effects. Most of these side effects, if they occur, generally pass within a few days.
Seizures, allergic reactions, paralysis, and more severe reactions are rare. They occur in less than 1% of procedures.
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