When preparing a patient for a discectomy, the nurse explains that this procedure:
A) removes the lamina to enlarge the spinal canal.
B) removes all or part of the herniated disc.
C) joins vertebrae together to prevent motion between the vertebra.
D) vaporizes the tissue in the disc.
B) removes all or part of the herniated disc.
Explanation: A) A laminectomy is performed to remove the lamina, or the part of the vertebra that covers the spinal canal. This enlarges the spinal canal and relieves pressure on the associated nerves.
B) A discectomy is performed to remove all or part of the herniated disc. Muscles and other tissues are dissected away from the spine to allow for surgical exposure of the ruptured disc. After removal of the disc, surrounding structures are returned to their natural positions.
C) Spinal fusion is performed to join two or more vertebrae together using bone grafts, screws, and rods. This prevents motion between the two vertebrae and reduces pain.
D) Newer technology has allowed the use of laser surgery to treat herniated discs. During laser surgery, the surgeon inserts a needle into the disc and delivers laser energy to vaporize the tissue in the disc. This reduces the size of the disc and relieves pressure on the nerves.
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