We introduced an automatic knee arthrometer (AKA) and aimed to evaluate the repeatability and effectiveness thereof in diagnosing ACL rupture compared with the KT-2000.
The AKA was compared to the KT-2000 at 134 N in this study, the anterior displacement and difference of both knees of every subject were measured. The first protocol was designed to evaluate examiner effect (level of experience) and contralateral-side effect (left or right knee) in a single healthy subject, ten times, on ten consecutive days. The second was to compare the stability in 20 healthy subjects, with a single experienced examiner. Third, we recruited 200 ACL rupture and 200 healthy subjects as contrast to compare the accuracy of the devices in diagnosing ACL rupture.
Study Type
OBSERVATIONAL
Enrollment
421
The experienced examiner performed tests on 20 healthy subjects
Two examiners performed the test on one healthy subject with both devices for ten consecutive days.
200 ACL rupture and 200 healthy subjects were recruited as contrast to compare the accuracy of the devices in diagnosing ACL rupture.
Peking university third hospital
Beijing, Beijing Municipality, China
Side-to-side difference （SSD）
Side-to-side difference （SSD）at 134 N
Time frame: within 3 months after ACL rupture
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