OVERVIEW [cite: 11]

What is Lumbar Disc Replacement? [cite: 12]

Lumbar disc replacement (LDR) treats degenerative disc disease in the lower back by removing the diseased disc through an anterior (abdominal) approach and replacing it with a precisely sized prosthetic device. [cite: 13] When a lumbar disc collapses, the resulting loss of disc height and abnormal segmental motion can compress nerves and produce chronic low back pain and leg pain (sciatica). [cite: 14] LDR addresses this directly at the source. [cite: 15] Unlike lumbar fusion, LDR maintains segmental mobility, the lumbar spine continues to bend, extend, and rotate through the treated level rather than transferring all motion to adjacent segments. [cite: 16] This distinction has meaningful long-term implications for adjacent disc health and functional quality of life. [cite: 17]

Who is a Candidate? [cite: 18]

Patients with one or two-level lumbar DDD with predominantly axial low back pain who have failed at least 6 weeks of conservative treatment. [cite: 19]

The Approach [cite: 20]

Performed through a retroperitoneal anterior approach with a vascular access surgeon, allowing direct disc access without disturbing posterior muscles or neural structures. [cite: 21]

Levels Treated [cite: 22]

Most commonly L4-L5 and L5-S1, the segments that bear the greatest mechanical load in the lumbar spine. [cite: 23]

FDA-Approved [cite: 24]

The ProDisc-L devices carry FDA approval with robust IDE trial data demonstrating non-inferiority and superiority to fusion in select populations. [cite: 25]

BENEFITS [cite: 26]

The Case for Lumbar Motion Preservation [cite: 27]

For appropriately selected patients, LDR delivers equivalent or superior pain relief compared to fusion while protecting the long-term integrity of the lumbar spine. [cite: 28] The benefits are most pronounced for active patients with isolated disc disease at one or two levels. [cite: 29]

• Maintained Lumbar Mobility [cite: 30]: Patients retain bending and rotation at the treated level, supporting more natural movement in daily activity, exercise, and sport. [cite: 32]
• Adjacent Disc Protection[cite: 31]: Fusion concentrates stress at the levels above and below. LDR distributes load more physiologically, reducing adjacent disc degeneration over time. [cite: 37]
• No Posterior Instrumentation [cite: 33]: LDR avoids pedicle screws and rods of posterior fusion, reducing hardware complications and preserving future surgical options if ever needed. [cite: 34]
• Lower Reoperation Rates [cite: 35]: By avoiding fusion complications like pseudarthrosis and adjacent segment disease, LDR patients have lower reoperation rates at 5-10 years. [cite: 36]
• Equivalent or Superior Outcomes [cite: 38]: FDA IDE trial data at 5-7 years shows LDR provides equivalent or superior results in pain, function, and satisfaction compared to ALIF fusion. [cite: 39]
• Improved Quality of Life [cite: 40]: Patients consistently report higher satisfaction with physical function and ability to return to recreational and occupational activities compared to lumbar fusion cohorts. [cite: 41]

LDR VS FUSION [cite: 42]

Lumbar disc replacement vs ALIF [cite: 43]

LDR and anterior lumbar interbody fusion (ALIF) both approach the spine from the front and address the diseased disc. [cite: 44] The difference lies in what follows, motion or stillness, and what that means for the rest of your spine over time. [cite: 45]

Dr. Ortega's Preference for Eligible Patients [cite: 46]

Not every patient qualifies for LDR. Patients with significant facet arthritis, spondylolisthesis, prior posterior fusion, or osteoporosis are often better served by fusion. [cite: 51] Dr. Ortega's evaluation includes standing X-rays, MRI, and CT scanning to determine the approach most likely to produce the best long-term outcome for your specific anatomy and pathology. [cite: 52]

RECOVERY [cite: 53]

What to Expect After Lumbar Disc Replacement [cite: 54]

LDR recovery follows a structured progression. Because there is no bone fusion to wait for, milestones are determined by anterior incision healing, soft tissue recovery, and the gradual return to loading the lumbar spine. [cite: 55] Most patients are pleased by how quickly their leg pain and back pain begin to resolve. [cite: 56]