• Ji Gyu Yeul GY Department of Neurosurgery, Spine and Spinal Cord Research Institute, Yonsei University College of Medicine, Seoul, Korea., Jongsun Lee, Sang Won Lee, Bo Young Cho, Dong Won Ha, Young Mok Park, and Dong Ah Shin.
• Department of Neurosurgery, Spine and Spinal Cord Research Institute, Yonsei University College of Medicine, Seoul, Korea.
• Pain Physician. 2018 Nov 1; 21 (6): E643-E650.

BackgroundThe non-operative treatment of herniated intervertebral discs has long been a fundamental challenge. A novel technique of laser ablation to ablate the nucleus pulposus under a transforaminal epiduroscope (TELA system, Lutronics, Seoul, Republic of Korea) was recently developed.ObjectiveThe purpose of this study was to evaluate the safety and effectiveness of transforaminal epiduroscopic laser ablation (TELA) for selective ablation of the nucleus pulposus in single-level disc disease.Study DesignProspective case control studySETTING: Multicenter studyMETHODS: This study included a group of 56 patients who underwent transforaminal epiduroscopic laser ablation (TELA) and 56 patients who underwent selective transforaminal epidural block (STEB) for single-level disc disease. Visual analog scale (VAS), Oswestry Disability Index (ODI), and SF-12 were assessed at admission and at 1, 3, 6, and 12 months postoperatively.ResultsThe mean VAS of back pain was lower for the TELA group than for the STEB group 12 months postoperative (P < 0.05). The mean ODI was lower in the TELA group than in the STEB group at 12 months postoperatively (P < 0.05). There were no major complications related to the TELA and STEB procedures.LimitationsThe primary limitation is a small sample size. The control group was created from a database which was prospectively collected in a different time line.ConclusionsThe TELA procedure is superior to the STEB procedure in terms of patients reporting less pain and better quality of life over a year. TELA may be a reasonable alternative to conventional interventions or open surgery in single-level disc disease.Key WordsLaser-assisted spinal endoscopy, disc decompression, Nd:YAG laser, laser ablation, intervertebral disc disease, lumbar spine.

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