British journal of anaesthesia
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Randomized Controlled Trial Clinical Trial
Effect of the trendelenberg position on spinal anaesthesia with hyperbaric bupivacaine.
In a double-blind study, the effect of the Trendelenberg position was compared with the supine, in 20 patients following intrathecal injection of 3 ml of 0.5% bupivacaine in 8% glucose. All patients had blocks suitable for abdominal surgery. ⋯ There were no differences in motor block, duration or cardiovascular changes between the groups. It is concluded that the trendelenberg position is not necessary to ensure spread of local anaesthetic solution into the mid thoracic region for abdominal surgery.