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- Magali Millecamps and Terence J Coderre.
- Department of Anesthesia, Montreal, Quebec, Canada.
- Eur. J. Pharmacol. 2008 Mar 31; 583 (1): 97-102.
AbstractChronic post-ischemia pain was induced in anesthetized rats by placing a tourniquet at the ankle joint for 3 h, and removing it to allow reperfusion. The effectiveness of standard analgesic drugs to attenuate mechanical allodynia was assessed 2 and 7 days after ischemia/reperfusion. Only high doses of morphine, dexamethasone and pregabalin partially reduced mechanical allodynia 2 days post-ischemia/reperfusion, while other treatments (ibuprofen, acetaminophen, amitriptyline) were not effective. Furthermore, only the highest dose of pregabalin reduced mechanical allodynia 7 days post-ischemia/reperfusion. These results are consistent with findings that complex region pain syndrome-I pain is refractory to most standard analgesic treatments.
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