• M Artus, B Laviolle, A Maurice, Y Malledant, and H Beloeil.
• Service anesthésie-réanimation, CHU de Rennes, 35033 Rennes, France.
• Ann Fr Anesth Reanim. 2014 May 1;33(5):e89-94.

ObjectiveTen to 50% of patients with post-surgical pain develop chronic pain depending on the type of surgery. The objective of this study was to assess the incidence of persistent post-surgical pain (PPSP) and to identify risk factors following urology surgery.DesignRetrospective observational study.PatientsTwo hundred and twenty-eight patients scheduled for urology surgery. Reasons for non-inclusions: patients who underwent a procedure not defined as being associated with PPSP.MethodsSurgical urologic procedures potentially associated with PPSP were defined. All patients who had one of these procedures during the study period received a questionnaire by mail at least 3 months after the surgery. The files of these patients were retrospectively studied.ResultsEight percent of the patients had preoperative pain. PPSP, assessed approximately 6 months after the surgery, was reported by 24% of the patients. Twenty-five (36%) of them reported neuropathic pain. Patients with PPSP had significantly more preoperative pain and an increased postoperative morphine consumption. Postoperative NSAID administration led to less persistent pain. Multivariate logistic regression analysis identified two independent risk factors of developing persistent pain: preoperative pain (OR=21.6, 95% CI 6.7-69.5, P<0.0001), morphine consumption 48 hours after surgery higher than 6mg (OR=2.3, 95% CI 1.2-4.3, P=0.0118).ConclusionThese findings confirm the role of preoperative pain and morphine consumption in the genesis of PPSP and call for establishing clinical perioperative pathways tailored to the patient.Copyright © 2014 Société française d’anesthésie et de réanimation (Sfar). Published by Elsevier SAS. All rights reserved.

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