Department of Orthopaedics, Xinqiao Hospital, The Third Military Medical University, Chongqing, China.
Orthop Surg. 2009 Feb;1(1):74-7. doi: 10.1111/j.2757-7861.2008.00013.x.
To evaluate the clinical results of, and surgical techniques for, microendoscopic (METRx) decompression of extraforaminal entrapment of the L5 spinal nerve at the lumbosacral tunnel.
Five patients with extraforaminal entrapment of the L5 spinal nerve in the lumbosacral tunnel were treated in our department, including three men and two women. The average age was 65.6 years. All patients suffered severe leg pain and neurological deficits compatible with L5 radiculopathy. Minimally invasive decompression of the L5 spinal nerve was performed under METRx intertransverse decompression.
With an average follow-up of 17.8 months, clinical results were assessed based on Nakai criteria and Visual Analogue scale (VAS). All patients experienced immediate pain relief postoperatively. Clinical outcomes were excellent in three patients and good in two. The average intraoperative blood loss was 59 ml, with an average operative time of 103 min. Average post-operative stay in bed was 7 days, and average cost was $1860.
Extraforaminal entrapment of the L5 spinal nerve in the lumbosacral tunnel can cause L5 radiculopathy. METRx partial resection of the L5 transverse processes, sacral ala and osteophytes of L5-S1 vertebral bodies to relieve extraforaminal entrapment of the L5 spinal nerve is a very effective and minimally invasive surgical option.
评估经椎间孔入路显微内窥镜（METRx）减压治疗腰骶管出口处 L5 脊神经卡压的临床效果和手术技术。
我科治疗 5 例腰骶管出口处 L5 脊神经卡压患者，男 3 例，女 2 例，平均年龄 65.6 岁。所有患者均有严重的腿痛和与 L5 神经根病相符的神经功能缺损。在 METRx 横突间减压下，行 L5 脊神经微创减压术。
平均随访 17.8 个月，根据 Nakai 标准和视觉模拟评分（VAS）评估临床结果。所有患者术后即刻疼痛缓解。3 例临床疗效优，2 例良。术中平均出血量 59ml，平均手术时间 103min。平均术后卧床时间 7 天，平均费用 1860 美元。
腰骶管出口处 L5 脊神经卡压可引起 L5 神经根病。METRx 部分切除 L5 横突、骶骨翼和 L5-S1 椎体骨赘以解除 L5 脊神经出口处卡压是一种非常有效和微创的手术选择。
