Functional performance 6 months after ACLR can predict RTP in the same preinjury activity level 12 and 24 months after surgery

This is a new study just out last week in the BJSM on the above-mentioned topic.

Published online: 27 Sep 2017

Open-access: NO

“Objectives: To investigate whether return-to-activity criteria, individually or in combination, at 6 months after ACLR can predict return to participation in the same preinjury activity level at 12 and 24 months after ACLR.”

“Results: 81% and 84.4% of the PASS group returned to participation in the same preinjury activity level, while only 44.2% and 46.4% of the FAIL group returned at 12 and 24 months, respectively, after ACLR. The 6-meter timed hop, single hop and triple hop limb symmetry indexes; Global Rating Score (GRS); and KOS-ADLS individually predicted the outcome of interest at 12 months after ACLR (range: R2: 0.12–0.22, p<0.024). In combination, they explained 27% of the variance (p=0.035). All hop tests, individually, predicted the outcome of interest at 24 months after ACLR (range: R2: 0.26–0.37; p<0.007); in combination they explained 45% of the variance (p<0.001).”

“Conclusion: Return to participation in the same preinjury activity level at 12 and 24 months after ACLR was higher in those who passed the criteria compared with those who failed. Individual and combined return-to-activity criteria predicted the outcomes of interest, with the hop tests as consistent predictors at 12 and 24 months after ACLR.”

This is quite an interesting study because we know from previous research that meeting a battery of discharge criteria can reduce the risk of reinjury by almost 4 times. I don’t have access to the paper so I do not know the details on whether all athletes met the discharge criteria before they were allowed to RTP. But it also seems that having this functional performance tests at 6 months can provide some prognostic value.

I am not sure why this paper has not received much attention on twitter as I would expect. Anyhow please click here for the abstract of the article or the full text article if you have access.

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