Pre-operative pain and sensory function in groin hernia

European Journal of Pain : EJP
Eske Kvanner AasvangHenrik Kehlet

Abstract

Although persistent postherniotomy occurs in 5-10% of patients, pathogenic mechanisms remain debatable. Since pre-operative pain has been demonstrated to be a risk factor for persistent postherniotomy pain, pre-operative alterations in nociceptive function may be a potential pathogenic mechanism. To investigate the correlation between pre-operative pain intensity and sensory functions in the groin hernia area. Patients with unilateral groin hernia were examined preoperatively by quantitative sensory testing (thermal, mechanical, and pressure [detection and pain thresholds]) and assessments were correlated to patients' reports of intensity and frequency of spontaneous pain in the groin area. Forty-two patients were examined, whereof one was excluded since no hernia was found intraoperatively. Mechanical pain threshold was inversely correlated with spontaneous pain intensity (rho=-0.413, p=0.049), indicating a paradoxical association between level of mechanical pain threshold and magnitude of spontaneous pain. No other sensory modality was significantly correlated to pain intensity. New/increased pain during repetitive pinprick stimulation (wind-up) was seen in 3 patients (7%), all whom experienced no pain or pain less than weekl...Continue Reading

Associated Clinical Trials

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Citations

Mar 3, 2011·Hernia : the Journal of Hernias and Abdominal Wall Surgery·S AlfieriG B Doglietto
May 23, 2014·Langenbeck's Archives of Surgery·Mads U Werner
Feb 21, 2014·British Journal of Anaesthesia·M U Werner, U E Kongsgaard
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Feb 15, 2011·European Journal of Pain : EJP·Ron KupersHenrik Kehlet
Aug 2, 2014·The Clinical Journal of Pain·Kenneth Geving AndersenEske Kvanner Aasvang
Mar 18, 2010·Anesthesiology·Eske K AasvangHenrik Kehlet
Oct 25, 2016·European Journal of Pain : EJP·E K AasvangH Kehlet
Oct 21, 2009·Acta Anaesthesiologica Scandinavica·E K Aasvang, H Kehlet
Jul 21, 2011·Current Opinion in Anaesthesiology·Patricia Lavand'homme
Jan 19, 2013·The Clinical Journal of Pain·Mads U WernerKim Wildgaard
Oct 6, 2011·Anaesthesia and Intensive Care·E A Shipton

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