• Simon Haroutiunian, Lone Nikolajsen, Nanna Brix Finnerup, and Troels Staehelin Jensen.
• Danish Pain Research Center, Aarhus University Hospital, Aarhus, Denmark Department of Anesthesiology, Aarhus University Hospital, Aarhus, Denmark Department of Neurology, Aarhus University Hospital, Aarhus, Denmark.
• Pain. 2013 Jan 1; 154 (1): 95-102.

AbstractPersistent postsurgical pain (PPSP) is a frequent and often disabling complication of many surgical procedures. Nerve injury-induced neuropathic pain (NeuP) has repeatedly been proposed as a major cause of PPSP. However, there is a lack of uniformity in NeuP assessment across studies, and the prevalence of NeuP may differ after various surgeries. We performed a systematic search of the PubMed, CENTRAL, and Embase databases and assessed 281 studies that investigated PPSP after 11 types of surgery. The prevalence of PPSP in each surgical group was examined. The prevalence of NeuP was determined by applying the recently published NeuP probability grading system. The prevalence of probable or definite NeuP was high in patients with persistent pain after thoracic and breast surgeries-66% and 68%, respectively. In patients with PPSP after groin hernia repair, the prevalence of NeuP was 31%, and after total hip or knee arthroplasty it was 6%. The results suggest that the prevalence of NeuP among PPSP cases differs in various types of surgery, probably depending on the likelihood of surgical iatrogenic nerve injury. Because of large methodological variability across studies, a more uniform approach is desirable in future studies for evaluating persistent postsurgical NeuP.Copyright © 2012 International Association for the Study of Pain. Published by Elsevier B.V. All rights reserved.

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