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Persistent cauda equina syndrome after caudal epidural injection under severe spinal stenosis: a case report

机译:严重脊柱狭窄后尾硬膜外注射后持续性马尾综合征

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摘要

Caudal epidural injection (CEI) is one of the most common treatments for low-back pain with sciatica. CEI rarely leads to neurologic complications. We report a case of persistent cauda equina syndrome after CEI. A 44-year-old male patient with severe L4 and L5 spinal ste-nosis underwent CEI for low-back pain and sciatica. The CEI solution consisted of bupivacaine, hyaluronidase, triamcinolone acetonide, and normal saline. He experienced motor weakness and sensory loss in both lower extremities and neurogenic bladder for more than 1 year after the procedure. His ankle dorsiflexors, big-toe extensors, and ankle plantar flexors on both sides were checked and categorized as motor-power Medical Research Council grade 0. His bilateral ankle-jerk reflection was absent. An electrophysiological study showed lumbosacral polyradiculopathy affecting both sides of the L5 and S1 nerve roots. A urodynamic study revealed hypoactive neurogenic bladder affecting both sacral roots.
机译:尾硬膜外注射(CEI)是坐骨神经痛的下腰痛最常见的治疗方法之一。 CEI很少导致神经系统并发症。我们报告CEI后持续马尾综合症的病例。一名患有严重的L4和L5椎管狭窄的44岁男性患者因腰背痛和坐骨神经痛接受了CEI。 CEI溶液由布比卡因,透明质酸酶,曲安奈德和生理盐水组成。手术后一年多,他在下肢和神经源性膀胱均经历了运动无力和感觉丧失。检查了他的脚踝背屈肌,大脚趾伸肌和脚踝flex屈肌,并将其归类为运动医学研究理事会等级0。他的双侧踝关节反射性缺失。电生理研究显示腰s部多发性神经根病影响L5和S1神经根的两侧。一项尿动力学研究表明,神经活动性膀胱过动会影响both骨的两个根部。

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