High initial graft tension increases external tibial rotation on the axial plane after anatomical anterior cruciate ligament reconstruction.
ACL reconstruction
CT
Femorotibial relationship
Initial graft tension
Journal
Archives of orthopaedic and trauma surgery
ISSN: 1434-3916
Titre abrégé: Arch Orthop Trauma Surg
Pays: Germany
ID NLM: 9011043
Informations de publication
Date de publication:
Jul 2022
Jul 2022
Historique:
received:
12
05
2021
accepted:
27
07
2021
pubmed:
3
8
2021
medline:
25
6
2022
entrez:
2
8
2021
Statut:
ppublish
Résumé
The purpose of this study was to clarify the effects of applying different amounts of initial graft tension on the femorotibial positional relationship on the axial plane after anatomical ACL reconstruction. Eighty patients who underwent isolated ACL reconstructions using bone-patellar tendon-bone grafts were included in this study. In 40 of the 80 patients, the grafts were fixed at full knee extension with maximum manual force (high graft tension; Group H), whereas in the other 40 patients, the grafts were fixed at full knee extension with force of 80 N (low graft tension; Group L). One week postoperatively, all patients underwent computed tomography (CT) on bilateral knee joints with knee extension. The femorotibial positional relationship in axial CT images were retrospectively evaluated. Side-to-side differences (the surgical side minus the unaffected side) were calculated in these variables. The side-to-side differences in anterior tibial translation distances were - 1.8 ± 2.1 mm in Group H and - 1.9 ± 2.0 mm in Group L, with no significant difference between the two groups. The side-to-side differences in tibial lateral shifts were - 0.2 ± 1.5 mm in Group H and 0.0 ± 1.4 mm in Group L, with no significant difference between the two groups. The side-to-side differences in tibial external rotation angles were 2.7 ± 4.5° in Group H and 0.3 ± 3.3° in Group L, with a significant difference between the two groups (P < 0.01). Applying high initial graft tension (maximum manual force) resulted in the external rotation of the tibia against the femur just after anatomical ACL reconstruction. In contrast, applying low initial graft tension (80 N at full knee extension) did not change the femorotibial rotational relationship.
Identifiants
pubmed: 34338887
doi: 10.1007/s00402-021-04098-2
pii: 10.1007/s00402-021-04098-2
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
1597-1604Informations de copyright
© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.
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