HOT TOPIC: ACL Graft Size Matters in Younger Patients

Abstract

We hypothesized that decreased graft size and younger patient age are predictors of early revision following primary ACL reconstruction with hamstring autograft. In a recent study at our institution, 256 of 338 consecutive patients (75.7%) were evaluated at an average of 14 months following surgery. The overall revision rate was 7%. Age younger than 20 years at the time of reconstruction (OR = 18.97; 95% CI = 2.43–147.06; = 0.005) and decreased graft size (OR = 2.20; 95% CI = 1.00–4.85; = 0.05) were associated with significantly increased risk of revision. Most revisions (16 of 18) were performed in patients younger than 20 years of age, with grafts 8 mm in diameter or less. The revision rate in this population was 16.4% (16 of 97 patients). Graft size may be an important variable in predicting the outcome of primary ACL reconstructions performed with hamstring autograft.

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