Comparative study on fixed versus adjustable-length loop device for femoral fixation of graft in anterior cruciate ligament reconstruction
Journal Title: International Journal of Orthopaedics Sciences - Year 2018, Vol 4, Issue 1
Abstract
Aims and Objectives: Cortical suspension devices have been widely used in ACL reconstruction for femoral side graft fixation. Fixed-length and adjustable-length loop devices are two common suspensory loop devices that are used in ACL reconstruction. They both have their own biomechanical pros and cons. The purpose of this study is to determine the difference in functional outcome of anatomical single bundle ACL reconstruction using fixed length versus adjustable length loop in femoral fixation of quadrupled hamstring graft. Material and methods: It is a longitudinal prospective study conducted in Bone and Joint Centre, Kokilaben Dhirbhai Ambani Hospital (KDAH), Mumbai from Jan 2014 to June 2016. There were 60 patients enrolled in the study. The first 30 patients were treated with Arthroscopic ACL reconstruction in the first 30 patients were done with quadrupled hamstring graft from ipsilateral limb fixed with Endobutton on femoral side and bio-absorbable intrafix tibial screw, similarly in subsequent 30 patients ACL reconstruction were done with quadrupled hamstring graft from ipsilateral limb fixed with Tightrope on femoral side and bio-absorbable intrafix tibial screw. Their clinical and functional status were assessed pre-operatively on the day prior to surgery and the last follow up at one following the surgery with Tegner-Lysholm Score and 2000 IKDC scores. Results: The average Tegner- Lysolm score before surgery in Endobutton group was 56.63±6.7 and post op score at last follow up was 93.97±4.1 and for Tightrope group it was 56.5±7.1 and 94.7±3.7 respectively. The average 2000 IKDC score before surgery in Endobutton group was 46.16±6.1and post-op score at last follow up was 82.52±4.2 and for Tightrope group it was 46.57±6.5 and 83.98±4.1 respectively. Two sample student t-test was conducted to compare the mean of post-operative Tegner-Lysolm score and 2000 IKDC for each group it showed P value for Tegner-Lysolm score to be 0.75 and that for 2000 IKDC score to be 0.7, which not statistically significant to reject the null hypothesis. Discussion and conclusion: Cortical suspension devices for femoral tunnel graft fixation are very efficient devices whether Fixed-length or adjustable length. Fixed-length and adjustable loop cortical suspension devices are equally effective in femoral fixation of graft in ACL reconstruction.
Authors and Affiliations
Pokharel B, Bhalodia M, Raut A, Gajjar SM
Keywords
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- EP ID EP485747
- DOI 10.22271/ortho.2018.v4.i1m.129
- Views 109
- Downloads 0
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