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Differences between traumatic and non-traumatic causes of ACL revision surgery
Vera Jaecker1, Tabea Zapf1, Jan-Hendrik Naendrup1
1Department of Trauma and Orthopaedic Surgery, Cologne Merheim Medical Centre, Witten/Herdecke University, Ostmerheimer Strasse 200, 51109, Cologne, Germany.
Archives of Orthopaedic and Trauma Surgery
|May 21, 2018
Summary
Technical errors, especially incorrect tunnel placement, are the primary drivers of anterior cruciate ligament (ACL) reconstruction failure. These issues, including transtibial drilling, increase the risk of early graft failure.
Area of Science:
- Orthopedic surgery
- Sports medicine
- Biomechanical analysis
Background:
- Anterior cruciate ligament (ACL) reconstruction failure necessitates revision surgery.
- Understanding failure mechanisms is crucial for improving surgical outcomes.
Purpose of the Study:
- To classify the causes of ACL reconstruction failure.
- To differentiate between traumatic and non-traumatic failure mechanisms.
- To identify specific technical and biological factors contributing to failure.
Main Methods:
- Analysis of 147 revision ACL reconstructions (2009-2014).
- Systematic failure analysis including technical and radiological assessment.
- Classification into traumatic, technical, and biologic failure categories.
- Statistical analysis to identify correlations between failure causes and surgical techniques.
Main Results:
- Non-traumatic (technical) failures accounted for 64.5% of cases, traumatic for 29.1%, and biologic for 6.4%.
- Non-anatomical femoral tunnel positioning (83.1%) was the leading cause of technical failure.
- Transtibial drilling and femoral transfixation techniques correlated with non-traumatic, earlier graft failures.
Conclusions:
- Technical errors, particularly tunnel malpositioning, are significantly associated with non-traumatic ACL reconstruction failure.
- Specific techniques like transtibial femoral tunnel drilling and femoral transfixation increase the risk of non-traumatic and early graft failures.
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