Anteromedial positioning of the femoral tunnel in anterior cruciate ligament reconstruction is the best option to avoid revision: a single surgeon registry
- PMID: 32146549
- PMCID: PMC7060973
- DOI: 10.1186/s40634-020-00225-x
Anteromedial positioning of the femoral tunnel in anterior cruciate ligament reconstruction is the best option to avoid revision: a single surgeon registry
Erratum in
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Correction to: Anteromedial positioning of the femoral tunnel in Anterior Cruciate Ligament reconstruction is the best option to avoid revision: a single surgeon registry.J Exp Orthop. 2020 May 16;7(1):33. doi: 10.1186/s40634-020-00249-3. J Exp Orthop. 2020. PMID: 32418137 Free PMC article.
Abstract
Purpose: The aim of the study is to compare the risk of revision of single-bundle hamstring anterior cruciate ligament (ACL) reconstruction between the anteromedial, transtibial and outside-in techniques.
Methods: This cohort study was based on data from a single surgeon's registry. Patients who underwent primary single-bundle ACL reconstruction with hamstring tendon using the anteromedial portal, transtibial and outside-in technique, operated between 1 November 2003 to 31 December 2016, were eligible for inclusion. A minimum follow-up of 2 years was used, and the end-point of the study was revision surgery.
Results: The total number of registered surgeries identified was 665; 109 were excluded, and 556 was the final sample. The overall revision rate was 8.7%. The transtibial technique presented 14/154 [9.9%] of revisions, the transportal 11/96 [11.4%] and the outside-in 22/306 [7.2%]. Separating the outside-in group into central outside-in and anteromedial (AM) outside-in, 18/219 [8.2%] was found for the central outside-in and 4/87 [4.5%] for the AM outside-in technique. Statistical evaluation of the first comparison (transtibial vs. transportal vs. outside-in) obtained p = (n.s.) The second comparison (transtibial vs. central transportal vs. central outside-in vs. AM outside-in, p = (n.s). Placement was also evaluated: high anteromedial placement (transtibial) vs. central (transportal and central outside-in technique) vs. AM placement (AM outside-in). The high AM placement presented 14/154 [9.9%] of revision, the central placement 29/315 [9.2%] and the AM placement 4/87 [4.5%], p = (n.s.) The AM placement was also compared with the other placements (high and central AM), p = (n.s.) CONCLUSION: Based on the registry of a single surgeon during 14 years of ACL reconstruction, the placement of the femoral tunnel in the high anteromedial region was associated with a rupture rate of 9.9%, central placement with 9.2% and anteromedial placement with 4.5%.
Keywords: Anterior cruciate ligament; Anterior cruciate ligament injuries; Anterior cruciate ligament surgery; Knee injuries.
Conflict of interest statement
The authors declare that they have no competing interests.
References
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- Desai N, Andernord D, Sundemo A-GE, Musahl V, Fu FH, Forssblad M, Samuelsson K. Revision surgery in anterior cruciate ligament reconstruction: a cohort study of 17,682 patients from the Swedish National Knee Ligament Register. Knee Surg Sports Traumatol Arthrosc. 2017;25(5):1542–1554. doi: 10.1007/s00167-016-4399-0. - DOI - PMC - PubMed
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- Clatworthy M, Sauer S, Roberts T. Transportal central femoral tunnel placement has a significantly higher revision rate than transtibial AM femoral tunnel placement in hamstring ACL reconstruction. Knee Surgery, Sports Traumatol Arthrosc. 2019;27(1):124–129. doi: 10.1007/s00167-018-5036-x. - DOI - PubMed
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