Oblique lumbar lateral interbody fusion

Oblique Lateral Lumbar Interbody Fusion (OLLIF) is a minimally-invasive procedure to achieve spinal fusion of the lumbar vertebrae. Unlike other spinal fusions it can often be performed as an outpatient surgery.
Medical uses
OLLIF is done in the lumbar region of the spine to treat a variety of back conditions. Most commonly it is used to treat degenerative disc disease and spinal disc herniation but it can be used to treat a large range of degenerative spinal conditions. OLLIF is currently only used for fusions between the L1-5 and S1 vertebrae. Like many other spinal fusions, OLLIF is usually augmented by posterior pedicle screw fixation, which can also be done minimally invasively.
Economics
Standard conversion factors were used and values reported based on the levels (1-4) addressed at surgery. One level surgery time (OLLIF 62.9 vs. TLIF 134.9 minutes) and surgical expense (OLLIF $5,253 vs. TLIF $11,264) were reduced in the OLLIF population. Inpatient costs (OLLIF $5,712 vs. TLIF $9,271) and length of stay (LOS) were also reduced (OLLIF 2.6 vs. TLIF 4.2 days). Per case, reduced resource consumption suggests lower total hospital costs. Reduced surgical time and LOS can result in greater patient throughput per operating room and patient bed for OLLIF patients in hospitals that have resourced constrained environments.)

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