P-15L Bone Graft in Transforaminal Lumbar Interbody Fusion With Instrumentation

Exclusion Criteria

• •Significant metabolic disease that in the surgeon's opinion might compromise bone growth such as osteoporosis, osteopenia, or osteomalacia;
• •Active malignancy;
• •Nondiscogenic source of symptoms (e.g. tumor, etc.);
• •Multiple level symptomatic degenerative disc disease where more than one level requires fusion;
• •Previous spinal instrumentation or a previous interbody fusion procedure at the involved level;
• •More than one level to be fused