目的：研究胸椎黄韧带骨化（ossification of the ligamentum flavum,OLF）发生年龄、节段分布、形态变化等的流行病学特点。方法：回顾性分析2010年2月以胸部症状来我院就诊的993例患者（男506,女487,年龄5～102岁,平均60岁）的胸部多...目的：研究胸椎黄韧带骨化（ossification of the ligamentum flavum,OLF）发生年龄、节段分布、形态变化等的流行病学特点。方法：回顾性分析2010年2月以胸部症状来我院就诊的993例患者（男506,女487,年龄5～102岁,平均60岁）的胸部多排探测CT（multidetector computed tomography,MDCT）片、轴位片结合矢状位CT片,分析胸椎黄韧带骨化的患病率及发生的节段、厚度、位置、硬膜囊压迫等情况,观察性别、年龄及发生节段等与OLF的关系。患病率采用《北京市2008年人口年龄构成统计》进行人群标化。结果：总体标化患病率为63.9%;男性标化患病率（68.5%）高于女性（59.0%）;50~59岁年龄组的患病率最高（79.2%）,但10~19岁人群也有OLF发生,其患病率为50.0%;T10~T11（44.0%）和T11~T12（41.6%）节段OLF的患病率亦较高。结论：被调查人群中,胸椎OLF患病率较高,出现年龄较早,发生于下胸段多于中上胸段,患病率与年龄具有一定的相关性。展开更多
Background Ossification of the ligamentum flavum （OLF） has been widely recognized as one of the main causes of thoracic spinal canal stenosis and thoracic myelopathy.Decompression is the only effective strategy for ...Background Ossification of the ligamentum flavum （OLF） has been widely recognized as one of the main causes of thoracic spinal canal stenosis and thoracic myelopathy.Decompression is the only effective strategy for treating thoracic myelopathy caused by OLF.The purpose of this study was to describe the clinical outcomes of computer-assisted minimally invasive spine surgery （CAMISS） for posterior decompression in patients with thoracic myelopathy caused by OLF.Methods In all cases,the surgical procedure was performed with the assistance of an intraoperative three-dimensional navigation system.Decompression of the spinal cord was performed with a high-speed drill; the supraspinal ligaments and spinous process were partially preserved.The outcomes were evaluated by a modified Japanese Orthopedic Association （JOA） scoring system and recovery rates.Results The mean duration of follow-up for the 14 cases was 3.9 years.All patients experienced neurological recovery,the mean JOA score improving from 6.1 points preoperatively to 8.6 points at final follow-up and the mean rate of recovery being 52.7% （excellent in two cases,good in eight,fair in three,and unchanged in one）.Conclusion CAMISS is a safe and effective procedure for resection of the OLF in the thoracic spine.展开更多
文摘目的：研究胸椎黄韧带骨化（ossification of the ligamentum flavum,OLF）发生年龄、节段分布、形态变化等的流行病学特点。方法：回顾性分析2010年2月以胸部症状来我院就诊的993例患者（男506,女487,年龄5～102岁,平均60岁）的胸部多排探测CT（multidetector computed tomography,MDCT）片、轴位片结合矢状位CT片,分析胸椎黄韧带骨化的患病率及发生的节段、厚度、位置、硬膜囊压迫等情况,观察性别、年龄及发生节段等与OLF的关系。患病率采用《北京市2008年人口年龄构成统计》进行人群标化。结果：总体标化患病率为63.9%;男性标化患病率（68.5%）高于女性（59.0%）;50~59岁年龄组的患病率最高（79.2%）,但10~19岁人群也有OLF发生,其患病率为50.0%;T10~T11（44.0%）和T11~T12（41.6%）节段OLF的患病率亦较高。结论：被调查人群中,胸椎OLF患病率较高,出现年龄较早,发生于下胸段多于中上胸段,患病率与年龄具有一定的相关性。
文摘Background Ossification of the ligamentum flavum （OLF） has been widely recognized as one of the main causes of thoracic spinal canal stenosis and thoracic myelopathy.Decompression is the only effective strategy for treating thoracic myelopathy caused by OLF.The purpose of this study was to describe the clinical outcomes of computer-assisted minimally invasive spine surgery （CAMISS） for posterior decompression in patients with thoracic myelopathy caused by OLF.Methods In all cases,the surgical procedure was performed with the assistance of an intraoperative three-dimensional navigation system.Decompression of the spinal cord was performed with a high-speed drill; the supraspinal ligaments and spinous process were partially preserved.The outcomes were evaluated by a modified Japanese Orthopedic Association （JOA） scoring system and recovery rates.Results The mean duration of follow-up for the 14 cases was 3.9 years.All patients experienced neurological recovery,the mean JOA score improving from 6.1 points preoperatively to 8.6 points at final follow-up and the mean rate of recovery being 52.7% （excellent in two cases,good in eight,fair in three,and unchanged in one）.Conclusion CAMISS is a safe and effective procedure for resection of the OLF in the thoracic spine.
