Minimally Invasive TLIF

Transforaminal Lumbar Interbody Fusion (TLIF) is typically used to remove a degenerative disc and relieve pressure on nerve roots in the lumbar spine.

Using the minimally invasive procedure involves a small incision in the back. Using a portable X-ray machine, the surgeon locates the diseased vertebral levels. Making the smallest incision possible, the surgeon uses a combination of dilators and tubular retractors to access the vertebra and remove the degenerative disc. An implant with bone graft is placed in the empty space, this realigns the vertebral bones and relieves pressure on the nerve roots.

Advantages of the minimally invasive TLIF procedure over traditional spine surgery include smaller incision and less disruption to muscle tissue. This procedure is generally performed in an outpatient setting or 23 hour stay. Most patients can return to normal activity within 2-3 weeks following surgery.

Comparison of Minimally Invasive Spine Surgery Approaches

Approach Full Name Access Route Typical Levels Treated Muscle Disruption Advantages Risks/Limitations
TLIF Transforaminal Lumbar Interbody Fusion Posterior (from the back, side of spinal canal) L2 to S1 Moderate Good disc space access; unilateral approach reduces nerve retraction Nerve root injury risk; limited disc space visualization
XLIF Lateral Lumbar Interbody Fusion (eXtreme) Lateral (through psoas muscle) T12 to L5 (not L5-S1) Minimal Large graft placement; minimal blood loss Risk to lumbar plexus; not suitable for L5-S1
iLIF Interlaminar Lumbar Interbody Fusion Posterior (between spinous processes) L2 to S1 Minimal Preserves stabilizing structures; reduced blood loss Technically demanding; newer technique, limited long-term data
PLIF Posterior Lumbar Interbody Fusion Posterior (midline) L2 to S1 High Direct access to disc; bilateral cage placement possible More muscle disruption; higher blood loss
ALIF Anterior Lumbar Interbody Fusion Anterior (through abdomen) L4 to S1 Minimal (no back muscle disruption) Wide disc access; large implant size possible Major vessel injury risk; requires vascular access surgeon


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