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03.07.2018 | Knee | Ausgabe 2/2019

Knee Surgery, Sports Traumatology, Arthroscopy 2/2019

Fear avoidance and self-efficacy at 4 weeks after ACL reconstruction are associated with early impairment resolution and readiness for advanced rehabilitation

Zeitschrift:
Knee Surgery, Sports Traumatology, Arthroscopy > Ausgabe 2/2019
Autoren:
Terese L. Chmielewski, Steven Z. George
Wichtige Hinweise
This work was conducted when Terese L. Chmielewski and Steven Z. George were at the University of Florida.

Abstract

Purpose

To examine the association of fear avoidance and self-efficacy psychological factors within 4 weeks after anterior cruciate ligament (ACL) reconstruction with knee impairment resolution and readiness for advanced rehabilitation at 12 weeks post-surgery.

Methods

Seventy-five patients participated. Data collection included demographics; questionnaires on fear avoidance (Pain Catastrophizing Scale, PCS; shortened Tampa Scale for Kinesiophobia, TSK-11) and self-efficacy (modified Self-Efficacy for Rehabilitation Outcome Scale, SER; Knee Activity Self-Efficacy, KASE) at 1, 4, and 12 weeks post-surgery; and knee impairment measures (pain intensity, range of motion, and quadriceps symmetry index) at 12 weeks post-surgery. Readiness for advanced rehabilitation (READY or NOT READY) was determined by knee impairment resolution criteria; demographics and questionnaire scores were compared between groups. Questionnaire scores at 1 and 4 weeks post-surgery and the change between time points were examined for association with knee impairment measures and group assignment.

Results

READY included 32 patients; NOT READY included 43 patients. Questionnaire scores improved in both groups over time. Significant correlations across groups were: PCS scores at 1 and 4 weeks post-surgery with pain intensity at 12 weeks post-surgery (r = 0.24 and 0.29, respectively) and KASE score 4 weeks post-surgery with range of motion deficit at 12 weeks post-surgery (r = − 0.26). Contact injury was more prevalent in READY. After accounting for mechanism of injury, higher TSK-11 and fear of re-injury subscale scores at 4 weeks post-surgery increased the odds of NOT READY assignment at 12 weeks post-surgery (odds ratios 1.10 and 1.31, respectively).

Conclusions

Lower pain catastrophizing and higher knee activity self-efficacy levels 4 weeks after ACL reconstruction were associated with better knee impairment resolution at 12 weeks post-surgery, whereas lower kinesiophobia at 4 weeks post-surgery increased the odds of meeting advanced rehabilitation criteria at 12 weeks post-surgery. The clinical implication of these findings is that measuring pain catastrophizing, knee activity self-efficacy and kinesiophobia at 4 weeks post-surgery may improve prediction of patients at risk for delayed rehabilitation progression 12 weeks post-surgery.

Level of evidence

III.

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