Biomechanical study of ACL reconstruction grafts

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
Régis PailhéPascal Swider

Abstract

There are no published studies describing the strength quadrupled gracilis tendon alone and quadrupled semitendinosus tendon alone in the configuration used for anterior cruciate ligament (ACL) reconstruction. The primary objective was to compare the mechanical properties of grafts used for ACL reconstruction during a tensile failure test. The secondary objective was to evaluate the effect of uniform suturing on graft strength. Fifteen pairs of knees were used. The mechanical properties of five types of ACL grafts were evaluated: patellar tendon (PT), sutured patellar tendon (sPT), both hamstring tendons (GST4), quadrupled semitendinosus (ST4), and quadrupled gracilis (G4). Validated methods were used to perform the tensile tests to failure and to record the results. Student's t-test was used to compare the various samples. The maximum load to failure was 630.8N (± 239.1) for the ST4, 473.5N (± 176.9) for the GST4, 413.3N (± 120.4) for the sPT, and 416.4N (± 187.7) for the G4 construct. Only the ST4 had a significantly higher failure load than the other grafts. The sPT had a higher failure load than the PT. The ST4 construct had the highest maximum load to failure of all the ACL graft types in the testing performed here. Unifor...Continue Reading

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Citations

May 11, 2016·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Karine WytrykowskiEtienne Cavaignac
Nov 6, 2015·International Orthopaedics·Etienne CavaignacPascal Swider
Sep 15, 2016·Current Reviews in Musculoskeletal Medicine·Jan-Hendrik NaendrupVolker Musahl
Oct 25, 2017·The American Journal of Sports Medicine·Etienne CavaignacPhilippe Chiron
Aug 13, 2020·Orthopaedic Journal of Sports Medicine·Julia BowesMark Sommerfeldt
Mar 18, 2016·The Journal of Bone and Joint Surgery. American Volume·Aristides I CruzJ Todd R Lawrence
Nov 2, 2020·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Joseph D LamplotRussell F Warren
Apr 19, 2020·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Christophe JacquetMatthieu Ollivier
May 25, 2021·Orthopaedic Journal of Sports Medicine·Lucas Graf-AlexiouLindsey Westover

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