Abstract

Study Design:Surgical technical note.Objectives:Describe the preoperative evaluation, approach, and technical considerations for an oblique lumbar interbody fusion using neuronavigation.Methods:A thorough review of previous technical and anatomic descriptions for pre- and transpsoas interbody techniques was performed and incorporated into the technical considerations warranting discussion for a navigated oblique lateral interbody fusion.Results:The prepsoas technique, also known as an oblique lumbar interbody fusion (OLIF), is an alternative approach for lumbar interbody fusion that utilizes a retroperitoneal corridor between the aorta/inferior vena cava. This corridor is devoid of neurovascular structures and obviates the need for real time electromyography monitoring. This approach spares the psoas and provides direct visualization of key structures and minimizes risk of injury to the great vessels, ureter, and lumbar plexus.Conclusions:A navigated prepsoas retroperitoneal approach is an effective minimally invasive technique for lumbar interbody fusion that may help mitigate some of the vascular and neurologic complications present with anterior lumbar interbody fusion or lateral lumbar interbody fusion and minimize radiation exposure to the surgeon.

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