• A Gupta, G Enlund, M Bengtsson, and F Sjöberg.
• Department of Anaesthesiology. University Hospital, S-581 85 Linköping, Sweden.
• Int J Obstet Anesth. 1994 Jul 1; 3 (3): 153-6.

AbstractThree cases are described in which epidural analgesia was performed during labour using an infusion of bupivacaine 0.125-0.25%. When, in all 3 cases, caesarean section was required for failure to progress, hyperbaric bupivacaine was given in doses of 10 mg, 12.5 mg and 15 mg respectively. Within 2-4 min all 3 patients had a high block, complained of difficulty in breathing and subsequently developed apnoea. The trachea was intubated after administration of thiopentone and succinylcholine and the operation continued. Cardiovascular support was provided by the administration of ephedrine injected intermittently intravenously. The spinal block receded and the patients were able to return to the ward without any further complications. All three mothers remain in good health and do not regret having had spinal anaesthesia for caesarean section. In contrast to previously reported cases of high spinal anaesthesia following unsuccessful epidural anaesthesia for caesarean section, this report describes 3 cases of high spinal following the administration of spinal anaesthesia upon an ongoing epidural infusion of local anaesthetic during labour. As no guidelines are available as to the recommended dose of spinal anaesthetic under such circumstances and, in view of the several case reports describing a similar complication under different circumstances, we suggest that spinal anaesthesia is contraindicated upon ongoing epidural analgesia or following a failed epidural.

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