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  • Fully Navigated Minimally Invasive Transforaminal Lumbar Interbody Fusion

    Final Number:
    1162

    Authors:
    Ian Kainoa White MD

    Study Design:
    Other

    Subject Category:

    Meeting: Congress of Neurological Surgeons 2016 Annual Meeting

    Introduction: Minimally invasive (MIS) transforaminal lumbar interbody fusion (TLIF) allows lumbar interbody fusion with minimal blood loss and less hospital days. Fully navigated MIS TLIF allows for decreased radiation exposure to patients, OR staff and surgeon alike, while increasing surgeon comfort during the procedure.

    Methods: 546 consecutive 1 and 2 level MIS TLIF patients were analyzed over a 10 year span from 2004-2014 with a minimum of 1 year follow up. We analyzed screw position, fusion rates, resolution of symptoms, radiation dosing, operative time, and complications rates from one senior surgeon.

    Results: Mean operative length was 81.3 minutes, with mean blood loss of 158 mililiters. Hospital stay on average was 2.4 days, and visual analog scores decreased from 8.2 to 3.1 at 1 year follow up. Mean dose length product for a full surgical procedure was 313 mGy.cm^2 while similar procedures done ranged from an average of 1981 mGy.cm^2 for 1 level surgeries and 3016 mGy.cm^2 for 2 level surgeries. Operating room staff was exposed to minimal radiation during this time period as they leave the room during acquisition and because of the fully navigated nature, the surgeon does not have to wear lead increasing surgeon comfort. Fusion rates and screw positions are similar to MIS procedures done using fluoroscopy with no revisions needed and fusion rates similar to open TLIFs at one year.

    Conclusions: Fully navigated MIS TLIF provides a unique method of decreasing radiation exposure to patient, surgeon, and operating room staff, while increasing surgeon comfort with at the very least, similar results to that cited in the literature.

    Patient Care: In describing a novel technique, we will show how fully navigated TLIF, decreases radiation exposure to the patient, OR staff, and surgeon, while provide at the very least, equivocal results to open or fluoroscopic minimally invasive TLIF procedures.

    Learning Objectives: Assess fully navigated transformainal lumbar interbody fusion in terms of radiation exposure, blood loss, operative time, and patient pain outcomes.

    References:

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