Chronic Knee Instability: Posterior Criciate Ligament
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Age >18 years; Acute* or chronic* unilateral PCL rupture (confirmed by MRI scan prior to study); Males and females; Signed written informed consent; First-time PCL rupture. * In this context, acute means 3 months must have passed since the injury/traumatic incidence.
Exclusion criteria
Exclusion criteria: Persons not capable of understanding spoken and/or written German; Presence of a total knee arthroplasty; Previous ACL and/or PCL operations at one or both knees; Stroke or other neurological conditions that impair lower extremity function (e.g. spasticity); Any other surgery of knee-related structures; Any restrictions in the lower extremity joints limiting the possibility to achieve the LAD testing position of 90° flexion and neutral rotation; Patients not able to lie supine; Pregnancy
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| The secondary endpoints are: 1.) concurrent validity between MRI and the clinical test (lateral-anterior drawer test): sensitivity, specificity, likelihood ratios MRIs of the knees and the clinical test will be performed in a timely manner (within one week). 2.) Determination of the correlation between the accuracy of concurrent validity and the experience of the testers with the lateral-anterior drawer test. Experience will be measured in years. This correlation will be determined statistically immediately after the collection of all data. | — |
Primary
| Measure | Time frame |
|---|---|
| The primary endpoints are 1.) inter-rater reliability (Fleiss´Kappa) and 2.) intra-rater reliability (Fleiss´Kappa) of the new clinical test. Data will be acquired using a standardized case report form (CRF). Each tester has to complete a separate CRF for each patient immediately upon completion of the testing. Completion of CRFs will be performed independently by each tester. After data collection reliability will be calculated using SPSS (Version 23, IBM Corp., Armonk, N.Y., USA). Fleiss´ kappa and percent agreement values will be obtained for the three testers. | — |
Countries
Austria
Contacts
University Hospital for Orthopaedics and Trauma Surgery Pius-Hospital Medical Campus University of Oldenburg