Document

Objectively measured laxity does not predict outcomes after ACLR

Description

Although restoration of stability is a primary goal of anterior cruciate ligament reconstruction (ACLR), few large prospective studies in- vestigating the relationship between objectively measured laxity and patient reported outcomes exist. The KT-1000 and the GENOUROB (GNRB) are two independent arthrometers with which anterior laxity can be measured. Whilst there is evidence that the GNRB may be more consistent, the KT- 1000 is still considered by many to be the “gold-standard” with a long history of use and published results. This study aimed to examine the rela- tionship between arthrometer measured laxity and International Knee Documentation Committee (IKDC) score following ACLR.

No associations were found between either KT-1000 or GNRB measures of STS laxity and IKDC scores for patients who have undergone ACLR. Whilst our findings are generally consistent with the current literature, to the best of our knowledge, this is the only study comparing both ar- thrometers independently, and the largest single centre study investigating either arthrometer, and associations with patient reported outcomes.

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Author

David Parker

David A Parker

Associate Professor

Sydney Orthopaedic Research Institute

B F

Brett Fritsch

Doctor

Sydney Orthopaedic Research Institute

Y L

Yoong Lim

Doctor

Sydney Orthopaedic Research Institute

P T

Payam Tarassoli

Doctor

Sydney Orthopaedic Research Institute

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