Revision Anterior Cruciate Ligament Reconstruction in Military Personnel

George C. Balazs, Patrick D. Grimm, Michael A. Donohue, David J. Keblish, John Paul Rue*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


This study aims to report the clinical and functional outcomes of revision anterior cruciate ligament (ACL) reconstruction in a young, active duty military population. Patients undergoing revision ACL reconstruction were enrolled in an institutional clinical database and followed prospectively. The primary outcomes were patients' scores on a timed run, as compared with recorded scores before reinjury. Secondary outcomes included scores on the Knee Injury and Osteoarthritis Outcome Score (KOOS), the Western Ontario and McMaster Universities Arthritis Index (WOMAC), the International Knee Documentation Committee subjective (IKDC subjective), the Short Form - 36 health survey (SF-36) version 2, the Single Assessment Numeric Evaluation (SANE), and the Tegner activity scale. A total of 13 patients were identified who met the inclusion criteria and had complete follow-up. The mean age at revision ACL reconstruction was 20.5 years (range, 19-22 years), and mean follow-up was 40.2 months (range, 13-66 months). All patients underwent a single stage revision ACL reconstruction with ipsilateral bone-patellar tendon-bone autograft, ipsilateral hamstring autograft, or bone-tendon-bone allograft. Mean physical readiness test (PRT) score at final follow-up was not statistically different than documented preinjury PRT score (77.9 vs. 85.5, p > 0.05), nor was the mean run time (7:12 vs. 6:43/mile, p > 0.05). Significant improvements exceeding published minimal clinically important differences were seen in SANE score, SF-36 physical component summary score, KOOS sports and recreation, KOOS quality of life, WOMAC pain score, and WOMAC function score. Patients undergoing revision ACL reconstruction at our facility show good recovery of baseline physical performance as measured by the semiannual PRT and timed run test, and significant improvements in patient-reported outcome scores. Level of Evidence Level IV, case series.

Original languageEnglish
Pages (from-to)464-470
Number of pages7
JournalThe journal of knee surgery
Issue number6
StatePublished - 1 Aug 2016
Externally publishedYes


  • instability
  • knee
  • military
  • revision ACL reconstruction


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