Revision Anterior Cruciate Ligament Reconstruction Outcomes at a Minimum of 5-Year Follow-Up: A Systematic Review.

Revision anterior cruciate ligament (ACL) reconstruction typically has worse outcomes than primary reconstructions. Minimal long-term data exist regarding 5-year results. We chose to perform a systematic review to evaluate midterm (5-year) revision ACL reconstruction outcomes (patient-reported outcomes, reoperation, stability, arthritis) in comparison to primary ACL reconstructions at similar time points. Embase, Cochrane, and PubMed databases were queried, and four studies met the inclusion criteria. Two authors reviewed and performed data extraction. All were level 4 studies. Review of the studies demonstrated that results at 5 years are consistently worse than those noted in primary reconstructions for objective and patient-reported outcomes. Revision ACL reconstruction outcomes remain worse than primary reconstructions at midterm 5-year follow-up. The level of evidence is 4.

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