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Anatomic Double-Bundle Anterior Cruciate Ligament Reconstruction

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Title: Anatomic Double-Bundle Anterior Cruciate Ligament Reconstruction
Authors: Yasuda, Kazunori Browse this author →KAKEN DB
Tanabe, Yoshie Browse this author
Kondo, Eiji Browse this author →KAKEN DB
Kitamura, Nobuto Browse this author
Tohyama, Harukazu Browse this author
Issue Date: Sep-2010
Publisher: Elsevier
Journal Title: Arthroscopy : The Journal of Arthroscopic & Related Surgery
Volume: 26
Issue: 9, Suppl. 1
Start Page: S21
End Page: S34
Publisher DOI: 10.1016/j.arthro.2010.03.014
PMID: 20810091
Abstract: Several double-bundle anterior cruciate ligament (ACL) reconstruction procedures were reported in the 1980s and 1990s. However, no significant differences were found in the clinical results between these double-bundle procedures and single-bundle procedures because the double-bundle procedures appeared to reconstruct only the anteromedial bundle with two bundles. In the early 2000s, the authors proposed a new concept of anatomic reconstruction of the anteromedial and posterolateral bundles, in which 4 independent tunnels were created through the center of each anatomic attachment of the 2 bundles. We named it "anatomic" double-bundle ACL reconstruction. Biomechanical studies have shown that the anatomic double-bundle ACL reconstruction can restore knee stability significantly closer to the normal level than the conventional single-bundle reconstruction. Recent intraoperative measurement studies have showed that the clinically available anatomic double-bundle procedures can reconstruct knee stability significantly better and improve knee function close to the normal level at the time immediately after surgery than the conventional single-bundle procedures. However, the greatest criticism of the anatomic double-bundle reconstruction is whether the clinical results of anatomic double-bundle reconstruction are better than the results of single-bundle reconstruction. Currently, 10 prospective comparative clinical trials (Level I or II) and 1 meta-analysis have been reported to date (January, 2010) that compare single-bundle and anatomic double-bundle reconstructions using hamstring tendons. In 8 of the 10 studies, the anterior and/or rotatory stability of the knee was significantly better in the anatomic double-bundle ACL reconstruction than the conventional single-bundle reconstruction. However, 1 original trial and the meta-analysis found that there were no differences in the results between the 2 types of reconstructions. Thus, the utility of the anatomic double-bundle reconstruction has not yet been established. Our systematic review shows how much evidence exists as to the benefits of double-bundle ACL reconstruction at the present time.
Type: article (author version)
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 安田 和則

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