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Published on: October 3, 2011
The effects of injected solution temperature on intravenous regional anaesthesia
D L Paul1, M R Logan, J A Wildsmith
1Department of Anaesthetics, Royal Infirmary of Edinburgh.
Abstract:
Ten healthy volunteers received three standard Bier's blocks. Prilocaine 0.5%, 40 ml was injected at a solution temperature of 0 degrees C, 22 degrees C or 37 degrees C. Recordings were made of sensory block, motor block, intravenous pressure, limb temperature and pain on injection. There were no differences between the three treatments in the rate of development or in the quality of block but there was a significant difference in the comfort of injection. Cold solutions caused most, and warm solutions least discomfort.
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