Twin Cities Spine Center
The objective of this study is to evaluate and follow the clinical and radiographic outcomes of patients undergoing 1 level TLIF randomized to either a titanium or a PEEK spacer to 24 months after surgery.
Transforaminal lumbar interbody fusion (TLIF) remains a common surgical technique for the management of lumbar spondylosis requiring decompression and fusion. The choice of interbody spacer remains dependent on surgeon preference with a variety of options available for use. Two of the most commonly used interbody spacers are made of polyetheretherketone (PEEK) and titanium.1 While both spacers have produced reliable rates of fusion with good clinical outcomes, debate remains as to which interbody spacer is superior. Proponents of PEEK argue that it is radiolucent and has an elastic modulus sim…
Inclusion Criteria 1. Patients undergoing 1 level TLIF for the treatment of lumbar stenosis and spondylolisthesis who have failed at least 6 weeks of non-operative treatment. 2. Patients between 18-70 years of age at the time of surgery. Exclusion Criteria 1. Patients under 18 or over 70 years of age at the time of surgery. 2. Patients undergoing more than 1 level of surgery. 3. Patients who have had prior lumbar fusion. 4. Patients requiring surgery for the management of infection, tumor, or trauma. 5. Patients who are pregnant.
Titanium fusion device will be utilized for one-level lumbar fusion.
PEEK fusion device will be utilized for one-level lumbar fusion.
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