Composite psychosocial risk based on the fear avoidance model in patients undergoing anterior cruciate ligament
Rogelio A Coronado1, Jordan A Bley2, Laura J Huston3
1Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN, USA; Center for Musculoskeletal Research, Vanderbilt University Medical Center, Nashville, TN, USA; Department of Physical Medicine and Rehabilitation, Osher Center for Integrative Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
Objectives:
To examine associations between preoperative fear-avoidance model (FAM) risk subgroup status and patient expectation of surgical success with postoperative outcomes at 6 and 12 months after anterior cruciate ligament reconstruction (ACLR).
Design:
Cohort study.
Setting:
Academic medical center.
Participants:
54 patients (25 females) undergoing unilateral ACLR.
Main Outcome Measures:
Cluster analysis distinguished FAM risk subgroups based on preoperative fear of movement/reinjury, self-efficacy, and pain catastrophizing. Preoperative expectation for surgical success was assessed with a numeric rating scale. Six and 12-month outcomes included Subjective Patient Outcomes for Return to Sport, Knee Injury and Osteoarthritis Outcome Score (KOOS) sports/recreation and quality of life, and International Knee Documentation Committee (IKDC) Subjective Knee Form.
Results:
Thirteen (24%) patients were "moderate-to-high FAM risk." Moderate-to-high FAM risk patients had lower odds of return to sport at 12 months (OR = 0.3, p = .05) and lower KOOS sports/recreation at 6 months (st. beta = -0.27, p = .05), KOOS quality of life at 12 months (st. beta = -0.42, p = .007), and IKDC at 6 (st. beta = -0.29, p = .04) and 12 months (st. beta = -0.47, p = .001). Higher expectation was associated with lower 6-month IKDC (st. beta = -0.36, p = .008) and 12-month KOOS quality of life (st. beta = -0.29, p = .05).
Conclusions:
Preoperative FAM risk influences patient-reported outcomes and return to sport at 6 and 12 months.
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