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Anterolateral rotatory instability in vivo correlates tunnel position after anterior cruciate ligament reconstruction using bone-patellar tendon-bone graft

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World Journal of Orthopedics 2017年第12期8卷 913-921页

作者： Yasutaka Tashiro Ken Okazaki Koji Murakami Hirokazu Matsubara Kanji Osaki Yukihide Iwamoto Yasuharu Nakashima Department of Orthopaedic Surgery University of Pittsburgh Department of Orthopaedic Surgery Kyushu University

AIM To quantitatively assess rotatory and anterior-posterior instability in vivo after anterior cruciate ligament(ACL) reconstruction using bone-patellar tendon-bone(BTB) autografts, and to clarify the influence of tunnel positions on the knee stability.METHODS Single-bundle ACL reconstruction with BTB autograft was performed on 50 patients with a mean age of 28 years using the trans-tibial(TT)(n = 20) and trans-portal(TP)(n = 30) techniques. Femoral and tibial tunnel positions were identified from the high-resolution 3 D-CT bone models two weeks after surgery. Anterolateral rotatory translation was examined using a Slocum anterolateral rotatory instability test in open magnetic resonance imaging(MRI) 1.0-1.5 years after surgery, by measuring anterior tibial translation at the medial and lateral compartments on its sagittal images. Anterior-posterior stability was evaluated with a Kneelax3 arthrometer.RESULTS A total of 40 patients(80%) were finally followed up. Femoral tunnel positions were shallower(P < 0.01) and higher(P < 0.001), and tibial tunnel positions were more posterior(P < 0.05) in the TT group compared with the TP group. Anterolateral rotatory translations in reconstructed knees were significantly correlated with the shallow femoral tunnel positions(R = 0.42, P < 0.01), and the rotatory translations were greater in the TT group(3.2 ± 1.6 mm) than in the TP group(2.0 ± 1.8 mm)(P < 0.05). Side-to-side differences of Kneelax3 arthrometer were 1.5 ± 1.3 mm in the TT, and 1.7 ± 1.6 mm in the TP group(N.S.). Lysholm scores, KOOS subscales and reinjury rate showed no difference between the two groups.CONCLUSION Anterolateral rotatory instability significantly correlated shallow femoral tunnel positions after ACL reconstruction using BTB autografts. Clinical outcomes, rotatory and anterior-posterior stability were overall satisfactory in both techniques, but the TT technique located femoral tunnels in shallower and higher positions, and tibial tunnels in more posterior positions than the TP technique, thus i

关键词： Anterior cruciate ligament Patellar tendon bone-patellar tendon-bone Rotatory instability Magnetic resonance imaging Tunnel position Anatomic Singlebundle

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Anterior cruciate ligament reconstruction best practice: A review of graft choice

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World Journal of Orthopedics 2014年第1期5卷 23-29页

作者： Daniel A Shaerf Philip S Pastides Khaled M Sarraf Charles A Willis-Owen Department of Trauma and Orthopaedics Charing Cross Hospital Imperial NHS Trust Department of Trauma and Orthopaedics Barnet General Hospital Wellhouse Lane Department of Trauma and Orthopaedics Queen Elizabeth Hospital Woolwich

There is much literature about differing grafts used in anterior cruciate ligament(ACL) reconstruction. Much of this is of poor quality and of a low evidence base. We review and summarise the literature looking at the four main classes of grafts used in ACL reconstruction; bone-patella tendon-bone, hamstrings, allograft and synthetic grafts. Each graft has the evidence for its use reviewed and then compared, where possible, to the others. We conclude that although there is no clear "best" graft, there are clear differences between the differing graft choices. Surgeon's need to be aware of the evidence behind these differences, in order to have appropriate discussions with their patients, so as to come to an informed choice of graft type to best suit each individual patient and their requirements.

关键词： Anterior cruciate ligament Reconstruction Hamstring Patella tendon Allograft Autograft Synthetic bone-patella tendon-bone

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