Findings from a study published online in the journal Clinical Orthopaedics and Related Research suggest that surgeons should consider certain pain-related responses when assessing patients prior to total knee arthroplasty (TKA). 

The authors conducted a cross-sectional analysis of 384 TKA patients with moderate to high levels of pain catastrophizing. They found that higher guarding scores and higher pain catastrophizing were associated with worse Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) pain, while no adaptive responses were associated with improved WOMAC pain or physical performance scores. The authors note that maladaptive responses were also more consistently associated with worse self-reported and performance-based measure scores, but adaptive responses did not associate with better scores. "Future intervention-based research should target this trio of maladaptive pain responses to determine if intervention leads to improvements in postsurgical health outcomes," the authors write. Learn more...

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