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Purpose To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. Methods After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm2 in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location. Exclusion criteria included meniscus transplantation, realignment osteotomy, or

Preoperative SF-12 MCS and PCS scores were predictive of RTP after ACLR; patients scoring above 42.3 on the SF-12 PCS and 48.3 on the SF-12 MCS were more likely to achieve RTP. Additionally, we defined the MCID after ACLR and found that higher SF-12 MCS scores were predictive of achieving the MCID on knee-specific questionnaires.

The rates of return to play and patient satisfaction are high after ACLR in active athletes. The use of patellar tendon autograft increased the likelihood of returning to play whereas preinjury participation in soccer and lacrosse decreased these odds. Additionally, patients who returned to play were more likely to be very satisfied with the result of the ACLR.

Patient-reported outcomes after ACLR among active athletes are comparable. Football players demonstrate quantitatively higher outcome scores whereas soccer players have lower scores. However, these outcome score differences may not be clinically significant and may be subject to confounding variables. Continued attention should be paid to understanding sport-specific outcome after ACLR.

Reconstruction of the anterior cruciate ligament with use of a four-strand hamstring tendon autograft eliminated anterior tibial subluxation in 89% of patients who were examined at a minimum of two years postoperatively. The overall rate of failure was 11%. The functional knee scores were significantly increased at the time of follow-up, but these results did not correlate with the results of knee arthrometric testing.