Quadriceps tendon vs. patellar tendon autograft for ACL reconstruction using a hardware-free press-fit fixation techniqu
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ARTHROSCOPY AND SPORTS MEDICINE
Quadriceps tendon vs. patellar tendon autograft for ACL reconstruction using a hardware‑free press‑fit fixation technique: comparable stability, function and return‑to‑sport level but less donor site morbidity in athletes after 10 years Alexander Barié1 · Thomas Sprinckstub2 · Jürgen Huber3 · Ayham Jaber1 Received: 23 December 2019 / Accepted: 31 May 2020 © The Author(s) 2020
Abstract Introduction The use of quadriceps tendon–patellar bone (QTB) autograft for anterior cruciate ligament (ACL) reconstruction is gaining momentum. Yet, long-term results that compare this procedure with established methods are lacking. The aim of this study was to report and compare long-term results of ACL reconstruction using QTB autografts versus bone–patellar tendon–bone (BPTB) autografts, both anchored using a hardware-free press-fit fixation technique. Materials and methods 60 athletes (Tegner score ≥6) with primary ACL rupture were prospectively randomized into two groups. 56 patients were evaluated after a mean duration of 12.2 ± 1.9 months (range 10–14) and 43 patients after 10.3 ± 0.2 years (range 10–11). Results On final follow-up, 90% of patients scored very good and good results in the functional Lysholm score (mean 99 ± 7.1, range 74–100 points). Normal or almost normal IKDC score was reported by 84% of the patients (mean 97 ± 9.5, range 60–100 points). The activity level decreased in the Tegner score from median of 7 before injury to 6 after 10 years. The KT-1000 arthrometer showed a difference in the anterior translation of less than 3 mm (mean 1.0 ± 1.2, range − 1 to 5 mm) in 91% of the patients. Significant degeneration was radiologically detected in one patient per group. No tunnel widening was seen in any patient. Up to 97% of all patients were satisfied with the operative procedure. No significant differences were found in the mentioned parameters between the two groups and also in comparison with the 1-year results. The only significant difference was in the donor site morbidity. Significantly more patients in the BPTB group had complaints during kneeling both at 1 (p
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