European journal of anaesthesiology
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Randomized Controlled Trial
The effect of ropivacaine concentration on common peroneal nerve block duration using a fixed dose: A randomised, double-blind trial in healthy volunteers.
The effect of local anaesthetic concentration on peripheral nerve block duration is unclear. Recent clinical trials found nerve blocks of equivalent duration despite changing local anaesthetic concentration but with a fixed local anaesthetic dose. A criticism of these studies is that the local anaesthetic doses used were above the proposed local anaesthetic dose-duration ceiling level, masking any potential effect of different local anaesthetic concentrations on nerve block duration. ⋯ In contrast to our hypothesis, we found no changes in mean sensory nerve block duration. However, local anaesthetic dilution resulted in reduced motor block duration.
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Randomized Controlled Trial
An ultrasound assessment of gastric emptying following tea with milk in pregnancy: A randomised controlled trial.
Consuming a small amount of milk with tea does not slow gastric emptying when compared with the same volume of water.
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