RESEARCH ARTICLE


Dynamic Postural Stability after Cartilage Repair in the Knee



Justus Gille1, *, Valentin Körner1, Ralf Oheim2, Andreas Paech1, Hagen Mittelstädt1, Arndt-Peter Schulz3, Jan Schagemann4
1 Universitätsklinikum Schleswig-Holstein Campus Lübeck, Klinik für Orthopädie und Unfallchirurgie, Lübeck, Germany
2 Universitätsklinikum Hamburg-Eppendorf, Institut für Osteologie und Biomechanik, Hamburg, Germany
3 Berufsgenossenschaftliches Klinikum Hamburg, Abteilung für Unfallchirurgie, Orthopädie und Sporttraumatologie, Hamburg, Germany
4 Universität zu Lübeck, Medizinische Fakultät, Lübeck, Germany


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Creative Commons License
© 2022 Gille et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Universitätsklinikum Schleswig-Holstein Campus Lübeck, Klinik für Orthopädie und Unfallchirurgie, Lübeck, Germany; Tel: 0049 451 500 41101; Fax: 0049 451 500 41104; E-mail: justus_gille@usa.net


Abstract

Background:

Articular cartilage has an exceptionally poor capacity for healing, but Autologous Matrix Induced Chondrogenesis is a procedure with a substantial body of literature that demonstrates its performance in chondral and osteochondral repair. However, data concerning dynamic postural stability after cartilage repair procedures is lacking.

Objective:

Therefore, the present study was designed to assess postural stability following cartilage repair in the knee.

Methods:

20 adults had undergone Autologous Matrix Induced Chondrogenesis for the treatment of full-thickness cartilage defects, with minimum 36 months of follow-up. Clinical outcomes were evaluated by patient reported outcome measures while dynamic postural stability was assessed using the star excursion balance test. The untreated, contralateral limbs served as controls.

Results:

At a mean follow-up of 43 months, patients reported a Visual Analog Score for pain of 1.6±2.2, a mean Lysholm score of 78.5±17.9 and a mean Knee Osteoarthritis Outcome Score of 143.3±16.1. The star excursion balance test showed no significant difference between limbs.

Conclusion:

With no difference in dynamic postural stability, our results indicate that this treatment provides a positive clinical outcome, with no deficits in postural stability when compared to the contralateral, untreated leg.

Keywords: Postural stability, Cartilage, Chondral lesions, AMIC, Cultural practice, Scaffold.