脊柱截骨专业知识宣讲.ppt

  1. 1、本文档共21页,可阅读全部内容。
  2. 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
  3. 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载
  4. 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多

脊柱截骨专业知识宣讲

失状位失衡1、节段性tape1(segmental):SVA5cm2、整体性tape2(global):SVA5cmwithoutkneeflexionorhiphyperextension

IdealsagittalalignmentisdescribedasSVA50mm,PT25゜,PI–LL=10゜

失状位失衡截骨方式Posterior-only

1、Smith-Petersenosteotomy(SPO)2、pediclesubtractionosteotomy(PSO)3、bone-disc-boneosteotomy(BDBO)4、vertebralcolumnresection(VCR)

Ponteosteotomy,Smith-Petersenosteotomy(SPO)removalofposteriorligamentsandfacets

widefacetectomytopreventnerverootimpingementosteotomysitecanbedoneasymmetricallytocorrectcoronalimbalanceaswellassagittalimbalance

9.3–10.7perlevel.substantialcorrection,itmaybenecessarytograftthediscspaceanteriorlyType1along,rounded,smoothkyphosisSVAintherangeof6–8cmpositive.easierandsaferthanotherosteotomies;

Pediclesubtractionosteotomy(PSO)Thomasenin1985.Heiningetaleggshellosteotomy.

30to40correctionthroughallthreecolumns,whileavoidingstretchvesselsandvisceraanteriortothespine;Ifperformedinanasymmetricfashion,providesignificantcoronalcorrectionaswell;

type2sagittaldeformity(SVA12cm),sharp,angularkyphosisetl;

AwidelaminectomyisperformedOsteotomylinehorizontaltothesacrumPlacingthetemporaryrodclosedovertherodswhilethehipsandkneesarehyperextended

InterbodyfusioncanbedoneaseitheraTLIForanALIFprocedure

Bone-disc-boneosteotomy(BDBO)correctionrates35°to60°Themainindicationsaredeformitieswiththediscspaceastheapexorcenterofrotationalaxis(CORA)andseveresagittalplanedeformities

Type1bone-disc-boneosteotomy(BDBO).

Type2BDBO.

Type3BDBO.

pediclescrewsatleasttwolevelsbelowandthreelevelsaboveAtitaniummeshcagecanbeplacedanteriorlyifdesired.

Vertebralcolumnresection(VCR)in1922byMacLennanindicatedforrigidmultiplanardeformities,

sharpangulateddeformities,emivertebraresections,resectablespinaltumours,pos

文档评论(0)

132****1010 + 关注
实名认证
内容提供者

该用户很懒,什么也没介绍

1亿VIP精品文档

相关文档