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Facteurs de risque de douleur postopératoire persistante après chirurgie urologique [Risk factors for persistent pain after urological surgery.]

Abstract : OBJECTIVE: Ten 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. DESIGN: Retrospective observational study. PATIENTS: Two 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. METHODS: Surgical 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. RESULTS: Eight 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). CONCLUSION: These 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.
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Submitted on : Friday, September 5, 2014 - 3:06:11 PM
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M. Artus, B. Laviolle, A. Maurice, Yannick Malledant, Hélène Beloeil. Facteurs de risque de douleur postopératoire persistante après chirurgie urologique [Risk factors for persistent pain after urological surgery.]. Annales Françaises d'Anesthésie et de Réanimation, Elsevier Masson, 2014, 33 (5), pp.e89-94. ⟨10.1016/j.annfar.2014.03.013⟩. ⟨hal-01061338⟩

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