Bilateral changes in knee joint laxity during the first year after non-surgically treated anterior cruciate ligament injury.

Sonesson, Sofi,1977-Linköpings universitet,Avdelningen för prevention, rehabilitering och nära vård,Medicinska fakulteten (författare)

OBJECTIVES: Analyse changes in knee laxity between 3, 6, 12 and 24 months after non-surgically treated ACL injury and to analyse associations between knee laxity and knee function, self-reported knee stability, ACL-Return to Sport after Injury (ACL-RSI), fear and confidence at different timepoints during recovery.DESIGN: Prospective cohort study.PARTICIPANTS: 125 patients (67 males, mean age 25.0 ± 7.0 years) with acute ACL injury.MAIN OUTCOME: Laxity was measured using KT-1000 arthrometer. Self-reported knee function was assessed using the International Knee Documentation Committee Subjective Knee Form (IKDC-SKF). Confidence and fear were assessed with questions from the ACL-RSI scale. Subjectively knee stability was assessed using SANE.RESULTS: Knee laxity increased bilaterally from 3 to 12 months, and in the non-involved knee from 3 to 24 months (p˂0.05), although mean change was below 1 mm. Side-to-side difference in knee laxity was correlated with IKDC-SKF (r = -0.283) and knee stability in rehabilitation/sport activities (r = -0.315) at 6 months, but not with confidence/fear.CONCLUSION: Knee laxity increased bilaterally during the first year after non-surgically treated ACL injury, though, the mean change in knee laxity was below 1 mm and the clinical significance is unknown. Knee laxity was weakly associated with knee function and perceived knee stability.LEVEL OF EVIDENCE: Level II TRIAL REGISTRATION: NCT02931084.

Kvist, Joanna,1967-Karolinska Institutet,Linköpings universitet,Avdelningen för prevention, rehabilitering och nära vård,Medicinska fakulteten,Centrum för medicinsk bildvetenskap och visualisering, CMIV,Stockholm Sports Trauma Research Center, Dept of Molecular Medicine & Surgery, Karolinska Institute, Sweden(Swepub:liu)joakv97 (författare)
Linköpings universitetAvdelningen för prevention, rehabilitering och nära vård (creator_code:org_t)

Ingår i:Physical Therapy in SportEdinburgh : Churchill Livingstone58, s. 173-1811466-853X1873-1600

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