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Radiographic Tibial Tunnel Assessment After Anterior Cruciate Ligament Reconstruction Using Hamstring Tendon Autografts and Biocomposite Screws: A Prospective Study With 5-Year Follow-Up

Artikel i vetenskaplig tidskrift
Författare Ioannis Karikis
Lars Ejerhed
Ninni Sernert
Lars Rostgård-Christensen
Jüri Kartus
Publicerad i Arthroscopy - Journal of Arthroscopic and Related Surgery
Volym 33
Sidor 2184-2194
ISSN 0749-8063
Publiceringsår 2017
Publicerad vid Institutionen för kliniska vetenskaper, Avdelningen för ortopedi
Sidor 2184-2194
Språk en
Länkar doi.org/10.1016/j.arthro.2017.06.02...
Ämneskategorier Ortopedi

Sammanfattning

© 2017 Arthroscopy Association of North America Purpose To radiographically assess the tibial tunnel up to 5 years after anterior cruciate ligament (ACL) reconstruction using hamstring tendon autografts and biocomposite interference screws. Methods Fifty-one patients underwent anatomic single-bundle ACL reconstruction with metal interference screws in the femur and biocomposite interference screws in the tibia. Standardized digital radiographs with weight-bearing anteroposterior and lateral views of the index knee were taken in the early postoperative period and at 2 and 5 years postoperatively. Of 51 patients, 40 (78%) underwent radiographic assessment on all 3 occasions. Subjective and objective clinical assessments were obtained preoperatively and at the 5-year follow-up. Results The mean follow-up period was 65 months (±3.9 months), with a minimum of 59 months. The width of the tibial tunnel on the anteroposterior view was 9.4 mm (±1.4 mm) in the early postoperative period and 9.2 mm (±1.5 mm) at 5 years (P =.64). The corresponding widths on the lateral view were 9.6 mm (±1.5 mm) in the early postoperative pe riod and 9.0 mm (±1.4 mm) at 5 years (P =.014). In 33 of 40 patients (83%) the width of the tibial tunnel had decreased on 1 or both views at 5 years compared with the early postoperative period. The study group had improved significantly at the 5-year follow-up compared with the preoperative assessments in terms of the KT-1000 arthrometer laxity tests (MEDmetric, San Diego, CA), pivot-shift test, Tegner activity scale, and Lysholm knee score (P < .001). No correlations were found between the tunnel widths and the KT-1000 assessment. Conclusions In 83% of patients, the width of the tibial tunnel had decreased on 1 or both radiographic views at 5 years compared with the early postoperative period after ACL reconstruction using biocomposite interference screws. Level of Evidence Level II, prospective study.

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