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Only minor and mostly insignificant differences were found between the PT and HT autograft groups in this long-term randomized controlled trial. In both groups, significantly more signs of radiographic OA were found in the reconstructed knee than in the contralateral knee.

There were significantly larger radiographically visible bone tunnels on the femoral side but not on the tibial side in the PLLA group compared with the metal group 8 years after anterior cruciate ligament reconstruction using hamstring tendon autografts. This finding did not correlate with inferior clinical results. Because of the results in the present study, the authors have discontinued the use of PLLA interference screws.

At the 5-year follow-up of an unselected group of patients, anatomic DB reconstruction was not superior to anatomic SB reconstruction in terms of the pivot-shift test.