Minimally Invasive Approach for the Treatment of Lateral Lumbar Disc Herniations. Technique and Results

OBJECTIVE This paper aims to demonstrate the feasibility and efficacy of a minimal invasive approach by using a muscle dilator system for the treatment of lateral lumbar disc herniations. METHODS A retrospective analysis of 38 cases with lateral lumbar disc herniations that were treated the METRx-System was performed. Patients were assessed preoperatively and postoperatively with the visual analogue scale (VAS) for leg pain. Follow up ranged from 6 to 24 months. RESULTS No intraoperative complications were observed. Operation time and intraoperative blood loss were minimized. In 37 cases VAS scores were significantly lower after the procedure. A single patient had to be reoperated due to insufficient removal of the herniated disc material. CONCLUSION The reported minimal invasive technique is a safe and efficient alternative to conventional methods for the treatment of lateral lumbar disc herniations.

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