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Papers of the Week
Facial expressions of pain in daily clinical practice to assess postoperative pain in children: Reliability and validity of the Facial Action Summary Score.
Abstract
Behavioral pain scales are recommended to assess postoperative pain for children who are too young to use self-report tools. Their main limitation is underestimation of pain in the days following an intervention. Although relevant, facial expression is not used in daily clinical practice. This prospective study aimed to assess the validity and reliability of the Facial Action Summary Score (FASS), a five-item scale, to assess postoperative pain until hospital discharge in children <7 years.