18 July 2016 : Clinical Research
Evaluation of Transforaminal Endoscopic Discectomy in Treatment of Obese Patients with Lumbar Disc HerniationYa-peng WangE, Wei ZhangAFG, Ji-long AnB, Jian ZhangD, Jia-yue BaiC, Ya-peng SunG
Med Sci Monit 2016; 22:2513-2519
BACKGROUND: This study aimed to evaluate the efficacy of transforaminal endoscopic discectomy (TED) in the treatment of obese patients with lumbar disc herniation (LDH).
MATERIAL AND METHODS: A total of 69 obese patients with LDH (35 males and 34 females; age range, 24 to 43 years; median age, 34 years) were included in this study. These patients had undergone TED from March 2011 to December 2015 in the Third Hospital of Hebei Medical University. Their clinical and follow-up data were prospectively analyzed. The degree of pain and disability were measured on the basis of the Visual Analog Scale (VAS) at 1 day before surgery, immediately after surgery, and 3 months after surgery. Neurologic functions were measured on the basis of the Japanese Orthopaedic Association (JOA) system 1 day before surgery and 3 months after surgery. The MacNab score at last follow-up was recorded to evaluate the early clinical efficacy. Complications during and after the operation were recorded to evaluate the safety of surgery.
RESULTS: Two patients experienced abnormal sensations in the export nerve root zone postoperatively, which disappeared after 3 days of treatment with dehydration and administration of hormone (dexamethasone). Three cases of recurrence were observed at 6 months, 7 months, and 9 months postoperatively; they were scheduled to receive total laminectomy combined with bone grafting internal fixation. A total of 67 patients were followed up for 3–23 months and mean follow-up was 11.8 months. The VAS scores at postoperative 3 months and 1 year were significantly reduced compared to that before the operation, with significant differences between them (t=43.072, P<0.05; t=43.139, P<0.05). The JOA scores at last follow-up postoperatively was significantly higher than that before surgery (t=–60.312, P<0.05). At the last follow-up, 17 cases (25.3%) had excellent outcomes, 39 (58.2%) good, 7 (10.4%) fair, and 4 (5.9%) poor. Overall, 83.5% of patients had excellent or good rates.
CONCLUSIONS: The early efficacy of TED is relatively good and safe for the selected obese patients with LDH in this study. Larger-sample studies with longer duration and follow-up are required to detect the safety and effectiveness of TED.
Keywords: Diskectomy, Percutaneous, Endoscopy, Osteoarthritis, Spine
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