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International Journal of Latest Research in Science and Technology

DOI:10.29111/ijlrst   ISRA Impact Factor:3.35

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CURVED TUNNELS TECHNIQUE FOR MEDIAL PATELLOFEMORAL LIGAMENT RECONSTRUCTION: COMPARING OF FIXATION STRENGTH FOR 3 DIFFERENT TECHNIQUES FOR GRAFT FIXATION AT MEDIAL OF THE PATELLA

Research Paper Open Access

International Journal of Latest Research in Science and Technology Vol.7 Issue 4, pp 6-10,Year 2018

CURVED TUNNELS TECHNIQUE FOR MEDIAL PATELLOFEMORAL LIGAMENT RECONSTRUCTION: COMPARING OF FIXATION STRENGTH FOR 3 DIFFERENT TECHNIQUES FOR GRAFT FIXATION AT MEDIAL OF THE PATELLA

Fawaz H. A. Mohammed, Bin Geng, Md. Shahidur Khan, Lang Wan, Malekah Qasim, Yayi Xia

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Received : 10 August 2018; Accepted : 16 August 2018 ; Published : 31 August 2018

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Abstract

Purpose– In this study, we compare the structural properties of 3 different fixation methods for a free tendon graft at the patella in the medial patellofemoral ligament (MPFL) reconstruction under cyclic loading and load to failure testing: double parallel transverse tunnels, double curved tunnels, and suture anchor. Methods: Thirty porcine patella and bovine flexor tendons were divided into three groups (transverse tunnel, curved tunnel, and suture anchor) with ten patellae in each. Patella-tendon constructs were tested to failure. The maximum failure load (N) and stiffness (N/mm) were measured for each specimen of the three fixings. After that, they were analyzed, and statistics were performed with SPSS and significance set at a p-value of < 0.05. Results: The double curved tunnel technique demonstrated the highest maximum load to failure (833.29±191.87N), significantly higher than the double parallel transverse tunnel (619.09±117.1N) and suture anchor groups (349.71±31.37N). Also, the curved tunnel technique demonstrated the greatest stiffness (1060.97±244.3N/mm) with significantly greater stiffness compared to the double parallel transverse tunnel techniques (788.25±149.1N/mm) and suture anchor groups (445.26±39.94N/mm). Conclusion: The double curved tunnel technique was found to be significantly stronger than double parallel transverse tunnel technique and suture anchor fixation when comparing the ultimate failure load and stiffness.

Key Words   
MPFL reconstructions, Curved tunnel, Transverse tunnel, Suture anchor, Patellar fixation biomechanic
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To cite this article

Fawaz H. A. Mohammed, Bin Geng, Md. Shahidur Khan, Lang Wan, Malekah Qasim, Yayi Xia , " Curved Tunnels Technique For Medial Patellofemoral Ligament Reconstruction: Comparing Of Fixation Strength For 3 Different Techniques For Graft Fixation At Medial Of The Patella ", International Journal of Latest Research in Science and Technology . Vol. 7, Issue 4, pp 6-10 , 2018

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