Oblique Lumbar Interbody Fusion (OLIF)
Oblique Lumbar Interbody Fusion (OLIF)
Lumbar interbody fusion represents an effective surgical intervention for patients with lumbar degenerative diseases, spondylolisthesis, disc herniation, pseudoarthrosis and spinal deformities.
There have been great strides in the development of surgical techniques and implant technologies over the past decades. Traditionally, conventional open anterior lumbar interbody fusion (ALIF) and posterior/transforaminal lumbar interbody fusion (PLIF/TLIF) techniques have been employed with excellent results, but each with their own advantages and disadvantages.
Recently, the antero-oblique trajectory has been introduced, providing yet another corridor to access the lumbar spine. Termed the oblique lumbar interbody fusion (OLIF), this approach accesses the spine between the anterior vessels and psoas muscles, avoiding both sets of structures to allow efficient clearance of disc space and application of a large interbody device to afford distraction for foraminal decompression and endplate preparation for rapid and thorough fusion.
The OLIF approach is considered the solution to the disadvantages of both ALIF and LLIF techniques, the anterior approach being associated with iliac vessel and peritoneal injury, whilst the lateral approach is associated with psoas muscle splitting and limited lower lumbar spineaccess. With this approach, up to three discs surgery can be done without the need to extend the incision size, taking advantage of the mobility of the abdominal wall.
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