张劲松,李锦军,李强,李冬,赵易.腰椎后路Ray-TFC椎间融合术对相邻节段活动范围的影响[J].中国脊柱脊髓杂志,2003,(5):.
腰椎后路Ray-TFC椎间融合术对相邻节段活动范围的影响
Affection of the posterior intervertebral fusion with the Ray-TFC on the rang of motion of adjacent segments
  
DOI:
中文关键词:  腰椎后路 椎间融合术 相邻节段 内固定 椎间融合器 椎弓根钉 生物力学 Ray-TFC植入
英文关键词:Lumbar spine,Adjacent segment,Interbody fusion,Interbody fusion cage,Pedicle screws,Biome-chanics[Author's address]Department of Orthopacdics,Beijing Friendship Hospital,Affiliated Hospital of Capital Uni-versity of Medical Science,100050,Beiji,
基金项目:
张劲松  李锦军  李强  李冬  赵易
首都医科大学附属北京友谊医院骨科 100050北京市 (张劲松,李锦军,李强,李冬)
,首都医科大学附属北京友谊医院骨科 100050北京市(赵易)
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中文摘要:
  目的:了解附加及不附加椎弓根内固定的后路Ray-TFC椎间融合术对相邻运动节段活动范围的即刻影响。方法:采用国人成年男性新鲜脊柱标本9具,以中性区(NZ)和运动范围(ROM)为观测指标,通过生物力学实验机测定单纯Ray—TFC植人和附加椎弓根内固定后相邻腰椎运动节段的活动范围。结果:单纯Ray-TFC植人仅使相邻节段前屈运动范围明显增加,附加RF-Ⅱ椎弓根钉内固定后相邻节段的前屈和后伸运动比单纯:Ray—FFC植人后均明显增加,前屈时的活动比完整初始状态显著增加。结论:附加及不附加椎弓根内固定的TFC椎间融合术都能明显增加相邻节段的前屈活动,有加速相邻节段退变的潜在可能。对相邻节段未出现症状但已经有退变表现的病例,选择此种术式时要慎重。
英文摘要:
  Objective:To determine the instant effect of the posterior interbody fusion with the Ray threaded fusion cage(Ray-TFC)alone and in combination with pedicle screws fixation on the adjacent segments.Method:9Chinese adult fresh-frozen multisegmental lumbar s
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