Radiographic analysis of neuroforaminal and central canal decompression following lateral lumbar interbody fusion.

Lastly, mean baseline FJ osteoarthritis grades increased moving caudally down the lumbar spine, though this trend did not reach statistical significance (L1-2: 0.86 +/- 0.261, L2-3: 1.00 +/- 0.082, L3-4: 1.14 +/- 0.081, L4-5: 1.18 +/- 0.100; p = 0.106, ordinary least squares linear regression).

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Indeed, there was a significant trend on univariate analysis towards improved post-LLIF canal stenosis grade in patients with spondylolisthesis, supporting prior literature that the LLIF approach may be helpful for addressing both loss of disc height and spondylolisthesis as contributors to degenerative stenosis.

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