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Longitudinal Changes in Ultrasound-Assessed Femoral Cartilage Thickness in Individuals from 4 to 6 Months Following Anterior Cruciate Ligament Reconstruction
| Content Provider | SAGE Publishing |
|---|---|
| Author | Lisee, Caroline Harkey, Matthew Walker, Zachary Pfeiffer, Karin Covassin, Tracey Kovan, Jeffrey Currie, Katharine D. Kuenze, Christopher |
| Copyright Year | 2021 |
| Abstract | ObjectiveDiagnostic ultrasound provides a valid assessment of cartilage health that has been used to observe cross-sectional cartilage thickness differences post-ACLR (anterior cruciate ligament reconstruction), but has not been used longitudinally during early recovery post-ACLR.DesignThe purpose of this study was to assess longitudinal changes in femoral cartilage thickness via ultrasound in individuals at 4 to 6 months post-ACLR and compared to healthy controls. Twenty participants (50% female, age = 21.1 ± 5.7 years) completed testing sessions 4 and 6 months post-ACLR. Thirty healthy controls (57% female, age = 20.8 ± 3.8 years) without knee injury history completed 2 testing sessions (>72 hours apart). Femoral cartilage ultrasound images were captured bilaterally in ACLR participants and in the dominant limb of healthy controls during all sessions. Average cartilage thicknesses in the medial, intercondylar, and lateral femoral regions were determined using a semi-automated processing technique.ResultsWhen comparing cartilage thickness mean differences or changes over time, individuals post-ACLR did not demonstrate between limb differences (P-range = 0.50-0.92), limb differences compared to healthy controls (P-range = 0.19-0.94), or changes over time (P-range = 0.22-0.72) for any femoral cartilage thickness region. However, participants demonstrated cartilage thickening (45%) or thinning (35%) that exceeded minimal detectable change (MDC) from 4 to 6 months post-ACLR, respectively.ConclusionsUsing MDC scores may help better identify within-subject femoral cartilage thickness changes longitudinally post-ACLR due to bidirectional cartilage thickness changes. |
| Related Links | https://journals.sagepub.com/doi/pdf/10.1177/19476035211038749?download=true |
| Starting Page | 738 |
| Ending Page | 746 |
| Page Count | 9 |
| ISSN | 19476035 |
| Issue Number | 1_suppl |
| Volume Number | 13 |
| Journal | CARTILAGE (CAR) |
| e-ISSN | 19476043 |
| DOI | 10.1177/19476035211038749 |
| Language | English |
| Publisher | Sage Publications CA |
| Publisher Date | 2021-08-12 |
| Publisher Place | Los Angeles |
| Access Restriction | Open |
| Rights Holder | © The Author(s) 2021 |
| Subject Keyword | segmentation minimal detectable change knee injury semi-automated |
| Content Type | Text |
| Resource Type | Article |
| Subject | Immunology and Allergy Physical Therapy, Sports Therapy and Rehabilitation Biomedical Engineering |
