Walking gait asymmetries 6 months following anterior cruciate ligament reconstruction predict 12-month patient-reported outcomes

Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society
Brian PietrosimoneJeffery T Spang

Abstract

The study sought to determine the association between gait biomechanics (vertical ground reaction force [vGRF], vGRF loading rate [vGRF-LR]) collected 6 months following anterior cruciate ligament reconstruction (ACLR) with patient-reported outcomes at 12 months following ACLR. Walking gait biomechanics and all subsections of the Knee Injury and Osteoarthritis Outcomes Score (KOOS) were collected at 6 and 12 months following ACLR, respectively, in 25 individuals with a unilateral ACLR. Peak vGRF and peak instantaneous vGRF-LR were extracted from the first 50% of the stance phase. Limb symmetry indices (LSI) were used to normalize outcomes in the ACLR limb to that of the uninjured limb (ACLR/uninjured). Linear regression analyses were used to determine associations between biomechanical outcomes and KOOS while accounting for walking speed. Receiver operator characteristic curves were used to determine the accuracy of 6-month biomechanical outcomes for identifying individuals with acceptable patient-reported outcomes, using previously defined KOOS cut-off scores, 12 months post-ACLR. Individuals with lower peak vGRF LSI 6 months post-ACLR demonstrated worse patient-reported outcomes (KOOS Pain, Activities of Daily life, Sport and...Continue Reading

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Citations

Aug 30, 2018·Medicine and Science in Sports and Exercise·Brian PietrosimoneJ Troy Blackburn
Dec 1, 2019·Scientific Reports·Reed D GurchiekRyan S McGinnis
Jan 4, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Julie P BurlandLindsey K Lepley
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Jul 24, 2020·Medicine and Science in Sports and Exercise·Helia Mahzoun AlzakerinKristin D Morgan
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Jun 9, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Steven A GarciaRiann M Palmieri-Smith
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Jun 30, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Jennifer C Erhart-HledikConstance R Chu
Jul 9, 2021·The American Journal of Sports Medicine·Alexander T PeeblesRobin M Queen
Nov 24, 2021·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·Lynn Snyder-Mackler, Robin M Queen

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