Percutaneous laser disk decompression under CT and fluoroscopic guidance: indications, technique, and clinical experience.

Gangi A, Dietemann JL, Ide C, Brunner P, Klinkert A, Warter JM.
Department of Radiology B, University Hospital of Strasbourg, France.

Radiographics. 1996 Jan;16(1):89-96

The aim of percutaneous laser disk decompression (PLDD) is to vaporize a small portion of the nucleus pulposus of an intervertebral disk, thereby reducing the volume and pressure of a diseased disk. This minimally invasive technique can be performed in patients who need surgical intervention for disk herniation with leg pain. PLDD is usually performed under fluoroscopic guidance with or without diskoscopy. However, it can also be performed under dual computed tomographic (CT) and fluoroscopic guidance as an outpatient procedure. CT and fluoroscopic guidance increases the safety and accuracy of PLDD, with high precision of instrument guidance, direct visualization of nucleus pulposus vaporization, and reduced risk of complications. Of 119 patients with lumbar disk herniation treated with PLDD under CT and fluoroscopic guidance, 91 (76.5%) had a good or fair response. PLDD performed with CT and fluoroscopic guidance appears to be a safe and effective treatment for herniated intervertebral disks.

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