• Arjun Sinkemani, Xin Hong, Zeng-Xin Gao, Su-Yang Zhuang, Zan-Li Jiang, Shao-Dong Zhang, Jun-Ping Bao, Lei Zhu, Pei Zhang, Xin-Hui Xie, Feng Wang, and Xiao-Tao Wu.
• Department of Spine Surgery, Zhongda Hospital, Medical School of Southeast University, Nanjing, China.
• Asian Spine J. 2015 Dec 1;9(6):833-40.

Study DesignRetrospective, case control evaluation of 86 patients who underwent microendoscopic discectomy (MED) and percutaneous transforaminal endoscopic discectomy (PTED) for the treatment of lumbar disc herniation (LDH).PurposeTo evaluate the safety and the outcomes of MED and PTED for the treatment of LDH.Overview Of LiteratureMED and PTED are minimally invasive surgical techniques for lower back pain. Studies to date have shown that MED and PTED are safe and effective treatment modalities for LDH.MethodsA retrospective study was performed in patients with LDH treated with MED (n=50) and transforaminal endoscopic discectomy (PTED; n=36) in our hospital. All patients were followed-up with self-evaluation questionnaires, Oswestry disability index (ODI), medical outcomes study 36-item short form health survey and MacNab criteria. All the patients in both groups were followed up to 12 months after the operation.ResultsODI questionnaire responses were not statistically different between the MED and PTED groups (53.00 vs. 48.72) before treatment. Average scores and minimal disability after 5 days to 12 months of follow-up were 4.96 in the MED group and 3.61 in the PTED group. According to MacNab criteria, 92.0% of the MED group and 94.4% of the PTED group had excellent or good results with no significant difference.ConclusionsThere was no significant difference between MED and PTED outcomes. Further large-scale, randomized studies with long-term follow-up are needed.

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