Return to Sport Activities and Risk of Reinjury Following Primary Anterior Cruciate Ligament Reconstruction

Document Type : CURRENT CONCEPTS REVIEW

Authors

1 Department of Orthopaedic Surgery, La Paz University Hospital, Madrid, Spain

2 Rush University, Chicago, Illinois, USA

Abstract

This article examines the elements that affect the return to sport (RTS) and the peril and percentages of reinjury 
following a prior primary anterior cruciate ligament reconstruction (ACLR). The prevalence of RTS following ACLR 
ranges from 71% to 83%. Concerning elements affecting RTS, a limb symmetry index score of 90 or more duplicates the 
likelihood of RTS and triplicates it when the International Knee Documentation Committee (IKDC) score is 95 or more, 
irrespective of age. Other elements recognized to be preindicative of RTS at 1 year include complete rehabilitation, age 
≤25, and higher IKDC scores. The prevalence of reinjury following ACLR ranges from 1.5% to 37.5% (between 9% and 
29% in the majority of reports). It has been published that 1 in 5 individuals suffers reinjury to either knee, and that male 
individuals are more prone to reinjure following ACLR. The highest percentage of ACLR reinjury happens in younger 
male (<18 years), being substantially higher than in female of the same age. Passing a combination of functional tests 
with predetermined cut-off points utilized as RTS criteria are related diminished ACLR reinjury percentages.
Level of evidence: III

Keywords

Main Subjects


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