短钉多点锚定与钉钩混合系统矫治Ⅰ型神经纤维瘤病伴营养不良性脊柱侧凸的疗效比较
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中南大学湘雅医院脊柱外科

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国家自然科学基金项目(面上项目,重点项目,重大项目)


Multiple-point anchor by short screw versus hybrid instrumentation for treatment of dystrophic scoliosis with neurofibromatosis type-1
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Department of Spinal Surgery,Xiangya Hospital of Central South University

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    摘要:

    目的:探讨后路短钉多点锚定与钉钩混合系统矫治Ⅰ型神经纤维瘤病伴营养不良性脊柱侧凸的疗效比较。 方法:回顾性分析2005年至2017年采用后路短钉多点锚定与钉钩混合系统矫治的Ⅰ型神经纤维瘤病伴营养不良性脊柱侧凸各21例。分别测量术前、术后及末次随访时冠状面Cobb角、柔韧性、侧凸矫正率、矫正丢失率、顶椎偏距、顶椎旋转度、矢状面后凸;术中记录手术时间、出血量、融合节段数。比较两组内及两组间的术前、术中、术后及末次随访时上述各指标的改变。 结果:两组患者术前主弯冠状面Cobb角、柔韧性、顶椎偏距、顶椎旋转度、矢状面后凸、手术时间、出血量及融合节段数均无显著性差异。两组内的术后及末次随访时各指标均较术前明显改善。术后及末次随访时,两组组间主弯冠状面Cobb角、顶椎偏距、顶椎旋转度、侧凸矫正率、矫正丢失率相比差异均具统计学意义,短钉多点锚定组明显优于钉钩混合系统组,其中短钉多点锚定组与钉钩混合系统组的术后侧凸矫正率分别为(67.1±9.0)%和(57.7±8.1)%,矫正丢失率分别为(2.2±2.2)%和(3.6±1.4)%;而术后及末次随访时的两组组间矢状面后凸相比差异无统计学意义。 结论:在Ⅰ型神经纤维瘤病伴营养不良性脊柱侧凸的矫治中,短钉多点锚定与钉钩混合系统均可获得较满意的矫形融合效果,而短钉多点锚定的畸形矫正率更高,矫正丢失率更低。

    Abstract:

    Objective: To compare the clinical and radiologcal outcomes between multiple-point anchor by short screw and hybrid instrumentation for treatment of dystrophic scoliosis with neurofibromatosis type-1. Methods: From 2005 to 2017, multiple-point anchor by short screw (n=21) and hybrid instrumentation (n=21) were used for treatment of dystrophic scoliosis with neurofibromatosis type-1. At the preoperative, intraoperative, postoperative, and final follow-up stages, the following parameters were measured: coronal Cobb angle of main curve, flexibility, correction rate, corrective loss, apical vertebral translation (AVT), apical vertebral rotation (AVR), sagittal kyphosis (SK), operative time, blood loss, and fusion segment. The above parameters were analyzed and compared within?and?between?groups. Results: At preoperative stage, there was no statistical significance between two groups in coronal Cobb angle of main curve, flexibility, AVT, AVR, SK,operative time, blood loss, and fusion segment. Compared with preoperative, postoperative and final follow-up parameters showed significant improvement within?two?groups. At postoperative and final follow-up stages, there were significant differences between two groups in coronal Cobb angle of main curve, AVT, AVR, correction rate, corrective loss. The result of multiple-point anchor by short screw was obviously better than the result of hybrid instrumentation. Postoperative correction rates of multiple-point anchor by short screw and hybrid instrumentation were (67.1±9.0)% and (57.7±8.1)% respectively; corrective loss rates were (2.2±2.2)% and (3.6±1.4)% respectively. At postoperative and final follow-up stages, there was no statistical significance between two groups in SK. Conclusion: Multiple-point anchor by short screw and hybrid instrumentation for treatment of dystrophic scoliosis with neurofibromatosis type-1 could both yield satisfactory clinical efficacy. Multiple-point anchor by short screw provided a significantly better correction and lower corrective loss than hybrid instrumentation.

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  • 收稿日期:2019-03-01
  • 最后修改日期:2019-03-27
  • 录用日期:2019-04-16
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