Paper 27: Preoperative Risk Factors of Subsequent Ipsilateral ACL Revision Surgery following an ACL Restoration Procedure

Objectives: To identify the preoperative risk factors for revision ACL surgery within first two years after BEAR repair procedure. Methods: Data from prospective I, II, and III trials were used to determine surgery. All subjects with a complete tear (ages between 13-47 years, depending on trial), who passed all other inclusion/exclusion trial criteria, underwent primary procedure 30-50 days injury (dependent trial) included. Demographic data (age, sex, BMI), baseline patient-reported outcomes (IKDC Subjective Score, Marx Activity score), pre-operative imaging characteristics (ACL stump length, notch size, tibial slopes), intraoperative findings (knee hyperextension, meniscal status) evaluated their contribution ipsilateral risk. Results: 123 subjects, median age 17.6 (IQR 16-23), including 67 (54%) females, met study criteria. 18 (15%) patients required in following In bivariate analyses, younger (p=.011), having contact at time of initial (p=.048), increased medial slope (p=.029) associated higher Multivariable logistic regression analyses identified independent predictors revision: patient slope. The odds an decreased by 32% each one-year increase (OR=0.684, 95% CI = 0.517 0.905, p=.008), 28% per degree (OR=1.280, =1.024 1.601, p=.030). Sex, IKDC or score, knee meniscus status not significant revision. Conclusions: Younger slopes should be aware when deciding undergo restoration