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Consequences of Complete ACL Ruptures

  • Sue Barber-Westin
  • Frank R. Noyes
Chapter

Abstract

This chapter reviews the potential problems caused by ACL tears that are treated conservatively. A general consensus exists among clinicians that a complete ACL rupture causes long-term problems, especially a decrease in activity level and an early onset of knee osteoarthritis. Few patients sustain an isolated ACL tear as concomitant bone bruising has been documented in 80–95% of patients, meniscus tears occur in approximately 60%, and chondral injuries occur in 20%. Frequent subsequent reinjuries causing meniscus tears have been reported in the majority of studies, along with chondral damage and articular cartilage lesions that presumably result from traumatic giving-way episodes or increased catabolic activity. Knees with ACL deficiency that undergo meniscectomy have an increased risk of developing early arthritis compared with those that do not sustain meniscus damage. Altered knee kinematics, quadriceps weakness, and abnormal gait patterns that increase or alter joint loads and contact pressures may cause early arthritis in ACL-deficient knees.

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© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Cincinnati Sportsmedicine Research and Education FoundationCincinnatiUSA
  2. 2.Cincinnati Sportsmedicine and Orthopaedic CenterCincinnatiUSA

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