Influence of age on clinical outcomes of three-dimensional transfer of the tibial tuberosity for patellar instability with patella alta

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
Shuhei OtsukiMasashi Neo

Abstract

To evaluate the clinical outcomes of three-dimensional (3D) transfer of the tibial tuberosity for patellar instability with patella alta, with a focus on the influence of age at initial surgery. Three-dimensional surgery was performed on 28 knees with a mean follow-up of 46 months. Patients were separated into three groups based on the age at initial surgery: group A, 10 knees and an average age of 16.3 ± 1.8 (14-19) years; group B, 10 knees and an average age of 22.1 ± 2.5 (20-28) years; and group C, eight knees and an average age of 44.0 ± 2.2 (40-46) years. Patellofemoral geometry improvement focused on patella alta by determining the Insall-Salvati ratio and Caton-Deschamps index, rotational malalignment by measuring the tibial tubercle-trochlear groove (TT-TG) distance, and lateral patellar subluxation by measuring the patellar tilt. Clinical outcomes were evaluated by the Lysholm and Kujala scores, which were compared before and after surgery. Cartilage degeneration was evaluated by the International Cartilage Repair Society grading system at initial arthroscopy. The patellar height, TT-TG, and patellar tilt significantly improved in all groups postoperatively (p < 0.05). The Lysholm and Kujala scores also significantly i...Continue Reading

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Citations

Sep 1, 2016·Clinical Orthopaedics and Related Research·Li YinChristopher M Powers
Dec 29, 2020·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Yi-Fan SongJia-Kuo Yu
May 18, 2021·Orthopaedic Journal of Sports Medicine·Si Heng Sharon TanJames Hoipo Hui
Jul 11, 2021·Journal of Orthopaedic Science : Official Journal of the Japanese Orthopaedic Association·Shuhei OtsukiMasashi Neo

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