
Lumbar Fusion Surgery
Urgical procedure that permanently joins two or more vertebrae in the lower back (lumbar spine) so they heal into one solid bone. This eliminates painful motion between vertebrae and can stabilize the spine. Indications Degenerative disc diseaseSpondylolisthesis (slipped vertebra)Spinal instabilitySevere spinal arthritis Spinal stenosis with instability Fractures, tumors, or infections of the spineFailed previous back surgery Timeframe What to Expect 0–2 weeks Pain, fatigue; walking starts; pain meds 2–6 weeks Gradual return to light activities 6–12 weeks Physical therapy begins (core, flexibility) 3–6 months Bone fusion begins; restrictions ease 6–12 months Solid fusion forms; return to full activity for most Success Rate