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KMID : 1040920220070020235
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Journal of Minimally Invasive Spine Surgery and Technique
2022 Volume.7 No. 2 p.235 ~ p.242
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Comparative Study of Percutaneous Endoscopic Lumbar Discectomy and Open Lumbar Microdiscectomy for Treating Cauda Equina Syndrome
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Lee Jun-Kyu
Chung Seok-Won
Lee Sang-Ho
Shin Young-Hwan
Park Chan-Hong
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Abstract
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Objective: The purpose of this study is to evaluate the clinical outcome of cauda equina syndrome (CES) using percutaneous endoscopic lumbar discectomy (PELD) and open lumbar microdiscectomy (OLM).
Methods: Fifteen patients with CES either underwent PELD or OLM from January 2017 to December 2019. The patients were divided into 2 groups according to the surgical methods: the PELD group (with 7 patients, 5 males and 2 females) and the OLM group (with 8 patients, 6 males and 2 females). The clinical outcomes were evaluated by the Visual Analogue Scale score (VAS), motor grade of lower extremities, perineal sensation, anal tone, and bladder dysfunction.
Results: Both groups reported a significant postoperative reduction of VAS score for back and leg pain. When comparing the two groups, there was no significant difference in the improvement of leg pain. However, the improvement in back pain was significantly higher in the PELD group than in the OLM group (p=0.05). In the PELD and OLM groups, all 15 patients showed an improvement in preoperative CES symptoms including impaired lower limb motor power, perineal sensations, anal sphincter tone and bladder function at the one-year follow-up. The operation time (p=0.01) and length of hospital stay (p=0.01) were shorter in the PELD group compared with the OLM group. In the PELD group, the intraoperative bleeding was negligible whereas in the OLM group.
Conclusion: The advantages of PELD, indicate it is a good alterative or option for the treatment of CES patients considering the appropriate indication.
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KEYWORD
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Cauda equina syndrome, Percutaneous endoscopic lumbar discectomy, PELD, Lumbar disc herniation
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