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高选择性腰脊神经后根定量切断治疗痉挛性脑瘫 .doc
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    高选择性腰脊神经后根定量切断治疗痉挛性脑瘫

    李福如

    山西省荣军医院骨科,山西 太原 030031

    [摘要] 目的:评定高选择性腰脊神经后根定量切断治疗痉挛性脑瘫的临床疗效,为痉挛性脑瘫患

    者临床治疗提供依据。方法:本组198例,男103例,女95例;年龄4-20岁。按脑瘫诊断分型标准:双

    下肢痉挛型120例,四肢痉挛型62例,混合型16例。手术采取限制性椎板切除,神经阈值测定仪测量

    腰脊神经后根的兴奋性后,行腰脊神经后根的高选择性定量切断。结果:194例下肢痉挛消除,按Ash-

    worth肌张力标准,下肢肌张力平均下降3.0级,12例上肢肌张力平均下降1.1级,眼斜视、流涎及语言

    障碍等伴随症状也有改善。根据疗效评定标准:优172例,良18例,一般8例。结论:高选择性腰脊神

    经后根切断术能够有效地解除下肢痉挛,降低下肢肌张力。定量法使腰脊神经后根的切断量更为精确,提高了疗效。

    [关键词] 脑瘫; 脊神经根切断术; 肌张力

    Treatment Of convulsionary brain paralysis with high alternative rhizotomy LIFu-ru.Department Or-

    thopaedics,Rongjun Hospital of $hanxii,Taiyuan 030031,Shanxi,China

    ABStRACt ObJeetive:To evaluate the effect of high alternative rhizotomy in ordre tO offer the basis for

    the treatment Of the convulsionary brain paralysis.Methods:There are l98 pattents in the group,103 male and

    95 female,theagescopefrom 4 tO 20 years.According tO diagnosis standard Of the brain paralysis:120 cases

    were spastc type Of lower limb,62 were spastic typ of limb,16 were mixed type.Laminas Of vertebra were

    restrictedly excised,After excitability Of posterior root Of spinal nerve was excited,lumbar spinal nerve were cut

    off.Results:The convulsion Of low limb was dispelled in the 194 patents.Inthe 198 cases,the muscular ten-

    sionOf lowlimb descended 3 grades with an average;in the 12 cases,the muscular tension Of upper limb de-

    scended 1.1 grades with an average.The symptonxs Of strabism,drooling and language disorder had been ame-

    liorate.AccordingtOthecriteria Of evaluation,172 cas6 obtained excellent,18 good,8 fair.Conclusion:High

    alternativer rhizotomy can effectively relieve convulsion Of lower limb,decrease muscles Of lower limb.Quantita-

    tlvemethodcanmakeamputation volumeOfspinal nervesmorepreciseandimproveclinical effect.

    Key words Brain paralysis; Rhizotorny; Muscular temiOn

    自1995年10月-2003年12月,作者改良以往 瘫会议确定的诊断分型标准12:双下肢痉挛型脑瘫

    选择性腰脊神经后根切断术,根据下肢肌肉神经的 120例,四肢痉挛型脑瘫62例,痉挛为主的混合型脑

    解剖学基础,扩大腰脊神经后根的选择范围,采取高 瘫16例。脑瘫伴随症状:斜视33例,语言不清

    选择性腰脊神经后根定量切断,限制性切除椎板,治 23例,流涎18例。93例膝腱反射亢进,50例踝阵挛

    疗痉挛性脑瘫198例,疗效满意,报告如下。 阳性。198例髋内收肌群、髋屈曲肌群、膝屈曲肌群

    1 临床资料 和踝跖屈肌群的肌张力均高于正常,在3~5级之间

    本组198例,男103例,女95例;年龄4--20岁, (按Ashworth 5级法[3])。

    平均8.2岁。病因:早产89例,窒息75例,高热 2 治疗方法

    27例,黄疸7例。智能评价[1]:正常89例,基本正常 2.1 定量设计 根据术前双下肢肌张力大小 ......

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