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Never mind the morphine… regional anaesthesia outside of perioperative practice

anaesthesia James McPherson Jonathan Womack point of care ultrasound

There are few effective strategies for the management of acute severe pain. Opioid analgesics can be effective but are associated with many negative effects, including respiratory suppression, sedation and dependence.

Local anaesthetics are an attractive alternative. They prevent conduction of nerve fibres by blocking sodium channels on the cell membrane and reduce the transmission of pain. If placed correctly, local anaesthesia provides effective pain relief and surgical anaesthesia. Anaesthetists commonly use regional anaesthesia that can target either the spinal cord (neuraxial blocks) or peripheral nerves.

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