A Clinical, Radiological and Isokinetic Evaluation in Patients with Recurrent Patellar Dislocation Undergoing MPFL Reconstruction According to Avikainen: a Prospective Study Evaluating Early Degenerative Changes After a Minimum 10-year Follow-up...

Overview

Journal BMC Musculoskelet Disord

Publisher Biomed Central

Specialties Orthopedics
Physiology

Date 2023 Feb 24

PMID 36823566

Authors

Krzysztof Malecki

Kryspin Niedzielski

Agnieszka Korczyc-Stepnicka

Wojciech Stelmach

Jacek Beczkowski

Jaroslaw Fabis

Anna Fabis-Strobin

Affiliations

Soon will be listed here.

Abstract

Background: The aim of the study was to conduct a comprehensive functional and radiological follow-up assessment in patients at least 10 years after adductor magnus MPFL reconstruction, and to assess the presence of early degenerative changes.

Methods: The mean age at the time of surgery was 16 years (range: 8 to 18 years, SD 2.5). The follow-up examination was performed at least 10 years following adductor magnus MPFL reconstruction (mean 11 years). Twenty-one patients (26 operated knees) attended the follow-up. The mean age at follow-up was 25.1 years (range 20-29 years).

Results: The significant improvement observed at 3 years, indicated by the Kujala and Lysholm scores, was maintained after 10 years of follow-up (p < 0.001). A single recurrence of dislocation was noted in three patients. A significant improvement in radiological parameters was noted. No significant difference in the incidence of chondromalacia, of any degree, was observed compared to controls. Significantly higher quadriceps peak torque was noted for both angular velocities (60 and 180°/sec) compared to the preoperative readings (p < 0.001). Knee flexors were found to be significantly stronger at both 60 and 180°/sec at 10 years follow-up examination (p = 0.008 and p < 0.001 respectively).

Conclusion: The use of MPFL reconstruction according to Avikainen yields improvements in clinical and radiological results which are maintained throughout the observation period. No significantly greater articular cartilage degeneration was noted in patients after surgical treatment for recurrent patellar dislocation compared to healthy peers.

Trial Registration: Registered on Clinical Trails.gov with ID: PMMHRI-BCO.67/2021-A.

Citing Articles

Management of patellar instability in skeletally immature patients.

Sahin E, Tandogan R, Liebensteiner M, Demey G, Kayaalp A EFORT Open Rev. 2024; 9(1):60-68.

PMID: 38193500 PMC: 10823567. DOI: 10.1530/EOR-23-0070.

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