• Ruth M Easton, Cino Bendinelli, Krisztian Sisak, Natalie Enninghorst, Dianne Regan, Julie Evans, and Zsolt J Balogh.
• Department of Traumatology, Division of Surgery, John Hunter Hospital and University of Newcastle, Newcastle, NSW 2310, Australia.
• Injury. 2012 Jul 1;43(7):1029-32.

IntroductionPain research in emergency settings can be problematic, as data collection is logistically difficult and pain levels are often poorly documented. Short-term recall of acute pain has been evaluated in postoperative, labour and procedural pain, with variable reported accuracy. The reliability of pain recall in trauma resuscitation patients is unknown. This study aims to determine the accuracy of short-term pain recall 1-2 days after trauma.MethodsProspective, cohort study of trauma resuscitation patients transported by ambulance to a major trauma centre. Patients with haemodynamic instability (SBP<90, HR>120) or GCS<14 on arrival were excluded. Momentary pain scores were measured on an 11-point verbal numerical rating scale by paramedics during prehospital management. Patients were evaluated within 48 h of injury on the recall of their initial pain, pain during transport, and lowest pain score achieved by prehospital analgesia. Spearman's rank correlation and Bland-Altman tests were used to compare ambulance and hospital data.Results88 trauma resuscitation patients (mean age 44 years ± 18 SD, male 74%, mean ISS: 7 ± 5 SD) were enrolled over a 5 month study period. Comparison of immediate and recalled pain scores produced Spearman's correlation coefficients of 0.71 for initial pain, 0.56 for pain during transport, and 0.45 for minimum pain scores.DiscussionIn our study patients did not accurately recall their pain levels 1-2 days after acute trauma. The results suggest that retrospective pain ratings are not reliable in trauma patients.Copyright © 2011 Elsevier Ltd. All rights reserved.

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