叶启彬;

• 1:武警总医院骨三科

摘要(Abstract)：

[目的]采用PRSS治疗的35例儿童脊柱侧弯Cobb角由术前平均66.58°矫正至平均22.70°,矫正率65.91%,最后随诊时,平均矫正度27.50°,无明显丢失,其中11例病例随诊时还发现侧弯度数进一步减轻。这一结果表明:PRSS具有明显的调控功能,不仅在手术时能立即满意的矫正畸形,还能在手术后继续治疗残存的脊柱侧弯,有效地控制术后残留脊柱侧弯的发展,矫正丢失很少。PRSS棒的下端能在术后随小儿生长向上拔伸,而且椎体的凹侧生长多于凸侧,使原来楔状变椎体重塑变回方形,代表PRSS所独有的术后自行矫正功能。用3-D CT检查显示侧弯凸侧椎间隙骨融合提前,凹侧则没有融合,仍有生长潜力。相比之下,国外所有生长棒技术的矫正力主要平均分布在矫正节段的上下端,而在侧弯的纵向负荷,主要集中在侧弯顶椎部位,不能逆转Hueter-Volkman定律效应:术后在侧弯的凹侧均形成椎弓根栓拉结构,无法向上拔伸,使凹侧半更多纵向生长,因而不能形成矫正侧弯的调控功能。

关键词(KeyWords)： 成功关键;失败原因;板棒脊柱系统;早发脊柱侧弯;脊柱

Abstract:

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基金项目(Foundation):

作者(Author): 叶启彬;

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参考文献(References)：

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