
When pain from spondylolisthesis does not diminish with conventional treatment methods, such as physical therapy or a back brace, spinal fusion surgery may be your best option. Some cases of isthmic and degenerative spondylolisthesis that do not respond to nonsurgical forms of treatment respond well to spinal fusion surgery, which can help reduce your pain and other symptoms. Isthmic spondylolisthesis. occurs when a vertebra slips out of position due to spondylolysis—a condition that causes spinal fractures. Degenerative spondylolisthesis occurs when one or more spinal bones move out of position as they weaken with age.There are several types of spinal fusion surgery available to treat spondylolisthesis. The aim of these procedures is to stabilize your spine and reduce pain.