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Title: Biomechanical evaluation of native acromioclavicular joint ligaments and two reconstruction techniques in the presence of the sternoclavicular joint: A cadaver study
Authors: Masionis, Povilas
Šatkauskas, Igoris
Mikelevičius, Vytautas
Ryliškis, Sigitas
Bučinskas, Vytautas
Griškevičius, Julius
Oliva, Xavier Martin
Planella, Mariano Monzo
Porvaneckas, Narūnas
Uvarovas, Valentinas
Keywords: acromioclavicular joint
biomechanical
coracoclavicular space
native ligaments
sternoclavicular joint
Issue Date: 2017
Publisher: SAGE publications
Citation: Masionis, P., Šatkauskas, I., Mikelevičius, V., Ryliškis, S., Bučinskas, V., Griškevičius, J., Oliva, X. M., Planella, M. M., Porvaneckas, N., Uvarovas, V. Biomechanical evaluation of native acromioclavicular joint ligaments and two reconstruction techniques in the presence of the sternoclavicular joint: A cadaver study. Journal of Orthopaedic Surgery 2017; 25(3): 1–5
Series/Report no.: 25;3
Abstract: Background: Where is over 100 reconstruction techniques described for acromioclavicular (AC) joint reconstruction. Although, it is not clear whether the presence of the sternoclavicular (SC) joint influences the biomechanical properties of native AC ligaments and reconstruction techniques. The purpose of the present study was to investigate the biomechanical properties of native AC joint ligaments and two reconstruction techniques in cadavers with the SC joint still present. Materials and Methods: We tested eight fresh-frozen cadaver hemithoraces for superior translation (70 N load) and translation increment after 1000 cycles (loading from 20 to 70 N) in a controlled laboratory study. There were three testing groups created: native ligaments, the single coracoclavicular loop (SCL) technique, and the two coracoclavicular loops (TCL) technique. Superior translation was measured after static loading. Translation increment was calculated as the difference between superior translation after cyclic and static loading. Results: Native AC ligaments showed significantly lower translation than the SCL (p = 0.023) and TCL (p = 0.046) groups. The SCL had a significantly lower translation increment than native AC ligaments (p = 0.028). There was no significant difference between reconstruction techniques in terms of translation (p = 0.865) and translation increment (p = 0.113). Conclusions: Native AC joint ligaments had better static properties than both reconstruction techniques and worse dynamic biomechanical properties than the SCL technique. The SCL technique appeared to be more secure than the TCL technique. The presence of the SC joint did not have an observable influence on test results.
Description: This article is distributed under the terms of the Creative Commons Attribution-Non Commercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).
URI: http://dspace.vgtu.lt/handle/1/4162
ISSN: 2309-4990
Appears in Collections:Moksliniai straipsniai / Research articles

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