2Department of Orthopedics and Traumatology, Health Sciences University Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Türkiye
Abstract
Objective: The aim of this study was to assess the long-term stability, functional outcomes, and patient satisfaction following anterior cruciate ligament (ACL) reconstruction using peroneus longus tendon allograft over a 10-year period.
Materials and
Methods: This retrospective case series included 20 patients who underwent arthroscopic ACL reconstruction with a peroneus longus tendon allograft between August 2012 and September 2014. Clinical and functional outcomes were evaluated using Lysholm and Modified Cincinnati scores, Lachman and Pivot-Shift tests, KT-1000 arthrometer, and Cybex II isokinetic dynamometry. In addition, complication rates, graft failure, and long-term knee function were assessed.
Results: The mean follow-up duration was 10.3±1.5 years. The Lysholm score at the final follow-up was 98.65±3.32, with 95% of patients classified as having an excellent outcome. The Modified Cincinnati score was 29.45±1.14. Knee stability assessments showed that 60% of patients had a negative Lachman test, while 35% had a Grade 1 positive result and 5% had a Grade 2 positive result. The Pivot-Shift test was negative in 75% of patients, while 25% had a Grade 1 positive result. KT-1000 arthrometer measurements demonstrated slight differences in anterior tibial translation between the operated and contralateral knee. Muscle strength loss between the operated and non-operated limbs remained clinically insignificant. One patient (5%) experienced mild flexion restriction (<10° loss), and transient knee hypoesthesia was observed in 9 patients (45%) but resolved without intervention. No graft failure, re-rupture, immune response, or infections occurred during the 10-year follow-up.
Conclusion: Peroneus longus tendon allograft demonstrated excellent long-term clinical and functional outcomes with a low complication rate. It appears to be a viable alternative to autografts, especially for patients seeking to avoid donor site morbidity. Larger comparative studies are required to confirm these findings and assess long-term graft durability.