Biomechanical Function of Anterior Cruciate Ligament Remnants: How Long Do They Contribute to Knee Stability After Injury in Patients With Complete Tears?

Nakamae, Atsuo; Ochi, Mitsuo; Deie, Masataka; Adachi, Nobuo; Kanaya, Atsushi; Nishimori, Makoto; Nakasa, Tomoyuki

doi:10.1016/j.arthro.2010.04.076

Cited by 76 publications

(61 citation statements)

References 33 publications

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“…The term "ACL remnant" has been used to signify both a continuous strand of tissue between the tibia and the notch (or the PCL) even with a complete ACL deficiency, 1,11 as well as the stump of the ACL tissue left at the tibial (or femoral) attachment site. 2,7,8,12 These 2 concepts need to be clearly differentiated in the literature to aid in summarizing the results of different studies.…”

Section: Discussionmentioning

confidence: 99%

Anterior Cruciate Ligament Reconstruction With Preservation of Femoral Anterior Cruciate Ligament Stump

Nag

Gupta

2014

Arthroscopy Techniques

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Anterior cruciate ligament (ACL) reconstruction with preservation of either the remnant or the tibial stump is performed with the hope of improving the vascularization and proprioceptive function of the graft. Remnant preservation is technically difficult because it hinders the visualization of the intra-articular tunnel site. Taking a cue from the concept of tibial stump preservation, we have modified our ACL reconstruction technique to preserve a sleeve of the soft tissue and ACL stump attached to the femoral condyle, in addition to tibial stump preservation, while still allowing adequate visualization of the femoral ACL insertion site. We describe our modification in this article and hypothesize that this should further improve graft vascularization and ligamentization.

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Section: Discussionmentioning

confidence: 99%

Anterior Cruciate Ligament Reconstruction With Preservation of Femoral Anterior Cruciate Ligament Stump

Nag

Gupta

2014

Arthroscopy Techniques

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“…Wię za dło krzy żo we przed nie (ACL) na le ży do naj wa żniej szych struk tur sta bi li zu ją cych staw ko lano wy, a je go pod sta wo wą funk cją jest ogra ni cza nie przed niej trans la cji pisz cze li w sto sun ku do ko ści udo wej [3,4]. ACL jed nak nie jest je dy nie me chanicz nym ogra nicz ni kiem ru chu w tym sta wie, lecz podob nie jak in ne wię za dła i to reb ka sta wo wa, sta no wi kom po nent ukła du ner wo wo -mię śnio we go czło wie ka, wa run ku ją cy do star cza nie cen tral ne mu ukła do wi nerwo we mu (CUN) od po wied nich in for ma cji sen sorycz nych [5].…”

Section: Wstępunclassified

“…The key role of ACL is to resist anterior translation of the tibia in relation to the femur [3,4]. At the same time, ACL does not only perform a mechanical limiting function, but similarly to other ligaments and the arti cular capsule, it is also an important component of the human neuromuscular system which provides relevant sensory input for the central nervous system (CNS) [5].…”

Section: Introductionmentioning

confidence: 99%

Assessment ofneuromuscular controlin patients afteranterior cruciate ligament reconstruction

Bączkowicz

Skomudek²

2013

Ortop Traumatol Rehabil

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STRESZCZENIEWstęp. Wię za dło krzy żo we przed nie (ACL) na le ży do naj wa żniej szych struk tur sta bi li zu ją cych staw ko la no wy, a je go pod sta wo wą funk cją jest ogra ni cza nie przed niej trans la cji pisz cze li w sto sun ku do ko ści udo wej. ACL jed nak nie jest je dy nie me cha nicz nym ogra nicz ni kiem ru chu, lecz sta no wi wa żny kom po nent ukła du sen so mo to rycz ne go. Dla te go ce lem ni niej szej pra cy jest oce na kon tro li ner wo wo -mię śnio wej u osób po za bie gu re kon struk cji ACL, w opar ciu o prze bieg pro ce su utrzy my wa nia rów no wa gi dy na micz nej.Ma te riał i me to dy. Ba da nia mi ob ję to 26 oso bo wą gru pę (ACLR) o śred niej wie ku 28,4±6,3 lat, po prze by tym za bie gu ar tro sko po wej re kon struk cji ACL w okre sie 11-13 mie się cy przed ba da niem. Gru pę kon tro l ną (CTRL) stano wi ła 37 oso bo wa gru pa osób zdro wych. W ba da niach za sto so wa no sys tem Bio dex Ba lan ce Sys tem SD. Za da niem ba da nych osób by ło utrzy ma nie po zy cji sto ją cej obu nóż oraz jed no nóż na nie sta bil nym pod ło żu.Wy ni ki. Kon tro la sta bil no ści w po sta wie obu nóż w gru pie ACLR cha rak te ry zo wa ła się więk szy mi war to ścia mi cał ko wi te go in dek su sta bil no ści w sto sun ku do gru py CTRL (6,53±2,04 i 5,27±1,42, p<0,05). Ta kże war to ści ob serwo wa nych pa ra me trów w sta niu jed no nóż na koń czy nie ope ro wa nej by ły w gru pie ACLR istot nie więk sze niż w grupie kon tro l nej, od po wied nio 9,73±2,55 i 7,23±1,48 dla koń czy ny do mi nu ją cej, 9,42±2,38 i 5,64±1,51 dla koń czy ny nie do mi nu ją cej przy p<0,05.Wnio sek. W okre sie ro ku od wy ko na ne go za bie gu re kon struk cji ACL, pod czas wy ko ny wa nia za dań ru cho wych wy ma ga ją cych znacz ne go za an ga żo wa nia ukła du sen so mo to rycz ne go, wi docz ne są istot ne de fi cy ty w kon tro li nerwo wo -mię śnio wej.Słowa kluczowe: ACL, sensomotoryka, propriocepcja, równowaga, stabilność posturalna SUMMARY Background. The anterior cruciate ligament (ACL) is one of the most important stabilisers of the knee joint. The key role of ACL is to resist anterior translation of the tibia in relation to the femur. At the same time, ACL does not only perform a mechanical limiting function, but is also an important component of the sensorimotor system. The aim of this study was to assess neuromuscular control in patients after ACL reconstruction by evaluating the maintenance of dynamic balance.Material and methods. Twenty-six patients (aged 28.4±6.3 years) after ACL reconstruction (ACLR group) were enrolled. All patients had undergone arthroscopic reconstruction of ACL, and were recruited to the study 11-13 months after the surgery. Thirty-seven healthy individuals served as a control group (CTRL). The maintenance of the single-leg and two-leg standing position on an unstable surface was assessed using the Biodex Balance System SD.Results. The ACLR group differed from the control group in the values of the overall stability index (p<0.05; 6.53±2.04, and 5.27±1.42, respectively) when stabi...

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“…6 ACL remnants contributed to AP knee stability evaluated at 30 of knee flexion for up to one year after injury. 22 Adachi et al reported that significantly better results of position sense and joint stability were obtained from ACL augmentation (with remnant preservation) than from conventional ACL reconstruction (without remnant preservation). 2 Gohil et al used MRI scans to assess differences in revascularization after the use of standard vs minimal debridement techniques.…”

Section: S76mentioning

confidence: 99%

Preoperative assessments completed for anterior cruciate ligament reconstructions with remnant preservation

Kubota

Ikeda

Takazawa

et al. 2015

Journal of Orthopaedics

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a b s t r a c tThe purpose of this study was to investigate the preoperative characteristics that are necessary to be able to perform reconstructions of the anterior cruciate ligament (ACL) with remnant preservation. The preoperative period was significantly shorter for patients in patients who received a reconstruction with remnant preservation than for those without remnant (3.9 months vs 16.0 months, p < 0.01). The cut-off time to be able to reconstruct an ACL with remnant preservation were 2.5 months. The preoperative period is important to perform an ACL reconstruction with remnant preservation.

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Biomechanical Function of Anterior Cruciate Ligament Remnants: How Long Do They Contribute to Knee Stability After Injury in Patients With Complete Tears?

Cited by 76 publications

References 33 publications

Anterior Cruciate Ligament Reconstruction With Preservation of Femoral Anterior Cruciate Ligament Stump

Anterior Cruciate Ligament Reconstruction With Preservation of Femoral Anterior Cruciate Ligament Stump

Assessment ofneuromuscular controlin patients afteranterior cruciate ligament reconstruction

Preoperative assessments completed for anterior cruciate ligament reconstructions with remnant preservation

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