Pain medicine

Perioperative association between c‐reactive protein, pain catastrophizing and acute pain after total knee arthroplasty: A secondary analysis of two randomised trials

Acta Anaesthesiol ScandPublished Secondary analysis of two randomised controlled trials

Authors' conclusion

There was no association between the postoperative CRP response and postoperative acute pain or pain catastrophizing in patients undergoing total knee arthroplasty in a well-defined multimodal fast-track regime including preoperative glucocorticoids.

Study context

Population
Patients undergoing total knee arthroplasty in a multimodal fast-track regime including preoperative glucocorticoids
Participants
119 patients · 2 RCTs
Primary endpoint
Correlation between postoperative CRP increase and acute pain during a well-defined mobilisation
Follow-up
24 and 48 h
Methodological detailscorrelation analysis
  • Correlation analysis

Primary result

As reported in the abstract

Correlation of preoperative CRP or postoperative CRP increase with pain
  • No correlation between preoperative c-reactive protein (CRP) or postoperative CRP increase and pain at both 24 and 48 h

Further findings

Correlation of CRP with pain, high and low pain catastrophizers (subgroup)

Analyses similar when separated into high and low pain catastrophizers

Correlation of preoperative CRP or postoperative CRP increase with pain catastrophizing (pain catastrophizing scale)

No correlation between preoperative CRP or postoperative CRP increase and pain catastrophizing

Original publication

Perioperative association between c‐reactive protein, pain catastrophizing and acute pain after total knee arthroplasty: A secondary analysis of two randomised trials. Acta Anaesthesiol Scand. Published 22 June 2024. doi:10.1111/aas.14476

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