Post-traumatic osteoarthritis after ACL injury
Jennifer Racine1, Roy K Aaron2
1MBA candidate at the University of Rhode Island, and Academic Coordinator and Research Associate, Department of Orthopaedics, The Warren Alpert Medical School of Brown University.
Rhode Island Medical Journal (2013)
|November 4, 2014
Summary
Post-traumatic osteoarthritis (PTOA) frequently follows anterior cruciate ligament (ACL) tears, even after surgical repair. This review examines ACL injury factors and associated knee damage contributing to PTOA development.
Area of Science:
- Orthopedics and Sports Medicine
- Biomedical Engineering
- Rheumatology
Background:
- Post-traumatic osteoarthritis (PTOA) is a common outcome of joint injuries, particularly knee trauma from sports or occupational overuse.
- Anterior cruciate ligament (ACL) tears are a significant risk factor for PTOA, affecting roughly 50% of patients irrespective of surgical reconstruction.
- The high incidence suggests associated knee injuries beyond the ACL may contribute to PTOA pathogenesis.
Purpose of the Study:
- To review the epidemiology and pathology of anterior cruciate ligament (ACL) tears and their link to post-traumatic osteoarthritis (PTOA).
- To explore demographic, biomechanical, and neuromuscular factors contributing to ACL injuries and subsequent PTOA.
- To summarize insights from preclinical models for understanding ACL injury and PTOA.
Main Methods:
- Literature review focusing on epidemiology, pathology, risk factors, and preclinical models of ACL tears and PTOA.
- Synthesis of data on noncontact sports injuries, biomechanical abnormalities, and sex-based differences in ACL injury rates.
- Analysis of research on associated knee injuries involving cartilage, bone, and capsular structures.
Main Results:
- ACL tears are prevalent, especially in female athletes, often linked to biomechanical issues and noncontact mechanisms.
- PTOA development post-ACL injury is common, indicating potential for concurrent injuries to joint structures.
- Preclinical models offer valuable data on the biological and mechanical pathways of ACL injury and PTOA.
Conclusions:
- ACL tears are a critical precursor to PTOA, necessitating a comprehensive understanding of associated injuries and risk factors.
- Biomechanical and neuromuscular factors, alongside potential concurrent injuries, play a crucial role in PTOA development after ACL tears.
- Further research, including insights from preclinical models, is vital for developing effective prevention and treatment strategies for PTOA.
