Predictive factors for failure of anterior cruciate ligament reconstruction via the trans-tibial technique
- Authors
- Kim, Seong Hwan; Park, Yong-Beom; Kim, Dong-Hyun; Pujol, Nicolas; Lee, Han-Jun
- Issue Date
- Oct-2020
- Publisher
- SPRINGER
- Keywords
- Anterior cruciate ligament; Reconstruction; Trans-tibial technique; Failure; Risk factor
- Citation
- ARCHIVES OF ORTHOPAEDIC AND TRAUMA SURGERY, v.140, no.10, pp 1445 - 1457
- Pages
- 13
- Journal Title
- ARCHIVES OF ORTHOPAEDIC AND TRAUMA SURGERY
- Volume
- 140
- Number
- 10
- Start Page
- 1445
- End Page
- 1457
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/42693
- DOI
- 10.1007/s00402-020-03483-7
- ISSN
- 0936-8051
1434-3916
- Abstract
- Introduction Factors for graft failure after trans-tibial (TT) ACL reconstruction, including anterolateral ligament (ALL) injury and degree of synovialization, remain unclear. This study is to evaluate the risk factors for graft failures after TT ACL reconstruction including ALL injury and synovialization. Materials and methods A total 391 patients who underwent primary TT ACL reconstruction were included. Failure was defined as greater than grade 2 laxity on the Lachman or pivot shift tests or 5 mm of anterior translation on stress radiograph. After applying inclusion/exclusion criteria, 31 patients with failure were categorized as group 1 and 89 patients without failure were categorized as group 2. Chi-square test and Cox proportional hazard analyses were performed. Results Preoperatively, 64 patients had ALL injuries (53.3%), 58 had medial meniscal (MM) tears (48.3%), and 62 had lateral meniscal (LM) tears (51.6%). Ninety-three patients (77.5%) had acute injuries and 27 had chronic injuries as per 6-weeks duration. Significant risk factors for failure were LM tear (hazard ratio [HR], 4.018; 95% confidence interval [CI] 1.677-9.629;p = 0.002), chronicity (HR, 6.812; 95% CI 2.758-16.824;p = 0.000), presence of ALL injury (HR, 3.655; 95% CI 1.442-9.265;p = 0.006), and poor synovialization (HR, 3.134; 95% CI 1.298-7.566;p = 0.011) in Cox proportional hazard analysis. If combined MM and LM tears were found, an increased risk of failure was also identified (combined tears: HR, 3.951; 95% CI 1.754-8.901;p = 0.001/preoperative high-grade laxity: HR, 4.546; 95% CI 1.875-11.02;p = 0.001). Conclusion Chronic ACL injuries, meniscus tear, preoperative ALL injuries, preoperative high-grade laxity and poor synovialization are significant risk factors. Therefore, these factors should be carefully assessed and properly treated in TT ACL reconstruction.
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