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The procedure used for treating pain linked with compressed or pinched nerves in the spine is known as laminectomy. Laminectomy, also referred to as decompression surgery, increases the spinal canal to ease pressure on the nerves or spinal cord. The procedure of a laminectomy is usually performed on the neck or on the vertebrae in the lower back.
One of the major reasons for laminectomy is severe, annoying and persistent pain in the lower back. This pain may interfere with normal functioning and can also limit mobility.
The success rate is usually favourable when lumbar laminectomy is performed for relieving pain from spinal stenosis. About 70-80% of patients after laminectomy have shown major improvement in performing their routine daily activities.
Decompressive Laminectomy is basically performed for treating spinal stenosis. The purpose of this surgery is to ease pressure on the spinal nerve roots or spinal cord due to age-related changes in the spine. Herniated discs, spine injuries or tumors are treated by this surgery. This surgery is useful in relieving the pressure on the nerve roots that helps in reducing pain and a person can begin its routine activities soon.
During the surgical procedure of decompressive lumbar laminectomy, the back of the spinal bones is removed in order to ease the pressure on the nerves. This procedure is primarily performed for those patients who are facing weakness, leg pain or numbness due to the pressure on the nerves.
The surgical procedure of spinal decompression is performed at any place along the spine from the neck to the lower back. It may involve one or more vertebrae that depend on the extent of the stenosis. Different types of decompression surgery include -
Laminaplasty: It is the extension of the spinal canal where lamina is cut from one side. This type is primarily used in the cervical area.
Laminotomy: In this, small portion of ligaments and lamina are removed from one side. This procedure reduces the chance of postoperative spinal instability as the original support of the lamina is left at its place.
Laminectomy: In this the complete bony lamina (a portion of the enlarged facet joints) and the thickened ligaments are removed.
Foraminotomy: Here bone surrounding the neural foremen is removed. This procedure is primarily performed when the disc degeneration has resulted in the collapse of the height of the foramen and that has caused pinched nerves. This procedure can be performed along with laminotomy or laminectomy.