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Background: Posterior lumbar fusion is performed for lumbar degeneration that leads to spinal stenosis and spondylolisthesis. Two common approaches include PLF and TLIF, with a current lack of consensus as to the superior approach. The objective of this study is to compare fusion rates, spinal parameters and complications for both surgical approaches using the silicon nitride cage (Si3N4). Our hypothesis is TLIF with a Si3N4 cage will have higher fusion rates, improved technical outcomes and fewer complications when compared to PLF alone. The Si3N4 cage has advantageous surface properties compared to other interbody cages, promoting theoretically higher fusion rates for TLIF procedures.

proceedings of imprs

Comparison of Technical Outcomes in Instrumented Posterolateral Fusion (PLF) with and without Transforaminal Lumbar Interbody Fusion (TLIF) performed using Silicon Nitride cages