Yukawa Y, Kato F, Kajino G, Nakamura S
Department of Orthopaedic Surgery, Chubu Rosai Hospital, Nagoya, Japan.
J Spinal Disord. 1997 Oct;10(5):404-9.
A prospective study was undertaken to clarify the relationship between postoperative morphological/pathological changes in the affected root and the clinical developments after disc resection. Gadolinium-enhanced magnetic resonance (MR) imaging was performed at 1 week, 5 weeks, 3 months, and 6 months after surgery for 28 patients of 34 consecutive patients who underwent single-level disc resection. Enhancement/thickening of the affected root was found to be 100%/89% at 1 week, 50%/57% at 3 months, and 32%/37% at 6 months after surgery. Patients with root enhancement and thickening at 3 and 6 months after surgery had less clinical improvement than patients without it. There was consistent correlation between postoperative clinical developments and nerve root enhancement/thickening in enhanced MR imaging. To use enhanced MR imaging as an evaluation tool after disc surgery might increase the diagnostic accuracy and reduce failed back surgery syndrome.
进行了一项前瞻性研究，以阐明患侧神经根术后形态学/病理学变化与椎间盘切除术后临床进展之间的关系。对连续34例行单节段椎间盘切除术患者中的28例，在术后1周、5周、3个月和6个月进行钆增强磁共振（MR）成像检查。术后1周患侧神经根强化/增粗发生率分别为100%/89%，3个月时为50%/57%，6个月时为32%/37%。术后3个月和6个月出现神经根强化和增粗的患者，其临床改善程度低于未出现者。增强MR成像中，术后临床进展与神经根强化/增粗之间存在一致的相关性。将增强MR成像用作椎间盘手术后的评估工具，可能会提高诊断准确性并减少腰椎手术失败综合征。
