Intense pain soon after wrist fracture strongly predicts who will develop complex regional pain syndrome: prospective cohort study
Wrist fractures are considered as a common trigger of complex regional pain syndrome (CRPS), but the exact incidence of CRPS after wrist fracture remains unclear.
The present study was designed to quantify the incidence of CRPS, 4 months after wrist fracture. A second aim was to develop a prediction rule to predict who would develop CRPS. A total of 1549 eligible patients participated in this study and were assessed within 1 week of fracture.
The data show that 3.8% of people with wrist fracture developed CRPS within a 4-month period. Variables such as pain, response time, dysynchiria and swelling seem useful to predict who would develop CRPS after wrist fracture.
The authors acknowledge that the prediction rule needs to be validated in other trials first before it can be used in clinical practice. However, a simple, accurate prediction tool to identify high-risk patients could potentially lead to new treatment opportunities in CRPS patients. > From: Moseley et al., J Pain, Vol 15 (2014) 16-23. All rights reserved to the American Pain Society.
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