一个新的全面的MRI分类和分级系统,用于腰部神经中心和侧面狭窄:临床应用和与以前的系统的比较
Paolo Spinnato1, Miriana Rosaria Petrera2, Anna Parmeggiani2
1Diagnostic and Interventional Radiology, IRCCS Istituto Ortopedico Rizzoli, Via GC Pupilli 1, 40136, Bologna, Italy. Paolo.spinnato1982@gmail.com.
La Radiologia medica
|October 26, 2023
概括
一个新的MRI分级系统用于腰部神经狭窄,提高了准确性,减少了变化. 这种对病因和严重程度的全面分类有助于定义狭窄,并指导治疗决策.
科学领域:
- 放射学和成像学 放射学和成像学
- 脊柱外科手术 脊柱外科手术
- 医学诊断 医学诊断 医学诊断
背景情况:
- 腰椎神经狭窄的诊断依赖于成像,但现有的分级系统缺乏全面性和标准化.
- 解释MRI发现的变化可能会影响临床决策和治疗计划.
研究的目的:
- 引入一种新的,图表化和全面的分类系统,用于分类腰部神经狭窄的原因和严重程度.
- 评估拟议分级系统的可靠性和临床相关性.
主要方法:
- 开发了一种严重程度分级尺度,用于中央,侧侧缩和前狭窄,包括磁盘退化,关节炎和外周脂质瘤等原因.
- 将该系统应用于112名患者的MRI,由两名放射科医生通过使用科恩·卡帕统计数据评估观察者内部和观察者间的可靠性.
- 与临床分数相关联的MRI分级 (中央狭窄分数[CS-CS]和侧向狭窄分数[LS-CS]) 使用古德曼和克鲁斯卡尔的马指数 (Gi).
主要成果:
- 新系统显示了高的观察者内部一致性 (Kw = 0.929对于中央,0.928对于外孔,0.924对于横向隙).
- 观察者之间的一致性从几乎完美到实质性 (Kw = 0.863对于中央,0.834对于孔,0.633对于侧面隙).
- 该分级系统与临床评分有很强的关联 (CS-CS:Gi = 0.671;LS-CS:Gi = 0.337对于foraminal),表现优于以前的系统.
结论:
- 拟议的标准化视觉分级系统是定义腰椎脊柱狭窄症的实际工具.
- 它有效地纳入了主要的贡献因素和位置,减少了观察者之间的变化.
- 这个系统可以帮助指导脊柱狭窄症患者的适当治疗选择.
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