微创化腰骶椎经皮质骨椎弓根螺钉技术:基于三维重建CT测量

来源 :2015年浙江省骨科学学术年会 | 被引量 : 0次 | 上传用户：hxg0215

【摘要】

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【作者】

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张桦 Nick Shamie 吴琼华陈其昕陈维善

【机构】

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浙江大学医学院附属第二医院骨科脊柱专科 Orthopaedic Spine Surgery, UC

【出处】

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2015年浙江省骨科学学术年会

【发表日期】

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2015年11期

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目的:经皮质骨椎弓根螺钉技术是近几年新兴的一种椎弓根螺钉技术,尤其适用于骨质疏松或者肥胖患者.到目前为止,相关的解剖学研究甚少,需要剥离肌肉暴露横突作为参考标志.本研究是以腰椎下关节突为骨性参考标记,测量腰骶椎(L1-S1)经皮质骨椎弓根螺钉的入钉点位置,角度,长度和直径.方法:采用三维螺旋CT重建扫描,测量86名患者的腰椎和骶1结构.将腰椎椎弓根最窄截面内侧缘和下缘连线的交点在椎板上的投影点设定为椎弓根螺钉的入钉点,而骶1的入钉点设定为其椎弓根最窄截面内侧缘与腰5下关节突的下缘交点.测量各入钉点至上一节段下关节突的下缘,内侧缘和外侧缘,以及至同节段横突的垂直距离.横断面上,将经皮质螺钉的入钉方向与正中线的夹角设定为横截面角度.

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微创化腰骶椎经皮质骨椎弓根螺钉技术:基于三维重建CT测量

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