Posterior cruciate ligament (PCL) reconstruction by transtibial tunnel: Suggestions of lengthening and slippage ratio

Jay Jung Kim, Cheol Woong Kim

Research output: Contribution to journalArticle

Abstract

This paper examined the biomechanical fatigue behavior of Achilles tendon autograft after posterior cruciate ligament (PLC) reconstructions. It experimented with various fixation devices and locations on the degree of initial lengthening and slippage to investigate the relationship between lengthening and slippage ratios among calcaneal and soft tissue fixation methods. Eight specimens of proximal tibia and Achilles tendon grafts were harvested from cadavers and classified into four groups according to the type of transtibial fixation technique. A cyclic load ranging from 50N to 250N was applied to each graft when fixed to the proximal tibia at 55 degrees. The soft tissue fixation method, which uses an interference screw, demonstrated a 56.4% ratio of slippage to total elongation. The use of a double cross-pin with the same method demonstrated a 45.4% slippage ratio. The former was associated with approximately 2 mm less total elongation and 13% more slippage than lengthening compared to the latter. This result was predominantly due to the poor standard of fixation compared to the same method using a double cross-pin.

Original languageEnglish
Pages (from-to)2579-2584
Number of pages6
JournalInternational Journal of Modern Physics B
Volume24
Issue number15-16
DOIs
StatePublished - 2010 Jun 30

Fingerprint

tibia
tendons
ligaments
elongation
suggestion
tunnels
cyclic loads
screws
interference

Keywords

  • Achilles tendon
  • Interference screw
  • double ross-pin
  • fixation device
  • initial lengthening
  • posterior cruciate ligament (PCL) reconstruction
  • slippage ratio
  • transtibial tunnel

Cite this

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abstract = "This paper examined the biomechanical fatigue behavior of Achilles tendon autograft after posterior cruciate ligament (PLC) reconstructions. It experimented with various fixation devices and locations on the degree of initial lengthening and slippage to investigate the relationship between lengthening and slippage ratios among calcaneal and soft tissue fixation methods. Eight specimens of proximal tibia and Achilles tendon grafts were harvested from cadavers and classified into four groups according to the type of transtibial fixation technique. A cyclic load ranging from 50N to 250N was applied to each graft when fixed to the proximal tibia at 55 degrees. The soft tissue fixation method, which uses an interference screw, demonstrated a 56.4{\%} ratio of slippage to total elongation. The use of a double cross-pin with the same method demonstrated a 45.4{\%} slippage ratio. The former was associated with approximately 2 mm less total elongation and 13{\%} more slippage than lengthening compared to the latter. This result was predominantly due to the poor standard of fixation compared to the same method using a double cross-pin.",
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Posterior cruciate ligament (PCL) reconstruction by transtibial tunnel : Suggestions of lengthening and slippage ratio. / Kim, Jay Jung; Kim, Cheol Woong.

In: International Journal of Modern Physics B, Vol. 24, No. 15-16, 30.06.2010, p. 2579-2584.

Research output: Contribution to journalArticle

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