Research Article

Clinical Efficacy and Safety of Trans-Sacral Epiduroscopic Laser Decompression Compared to Percutaneous Epidural Neuroplasty

Figure 7

Change of protruded disc volume from preoperatively to after the SELD procedure. Statistically significant differences were observed at 24 weeks postoperatively (). SELD = trans-sacral epiduroscopic laser decompression; Preop = preoperative day; POD = postoperative duration.