• M J Fredrickson, P Leightley, A Wong, M Chaddock, A Abeysekera, and C Frampton.
• Department of Anaesthesiology, University of Auckland, Auckland, New Zealand.
• Anaesthesia. 2016 Apr 1; 71 (4): 373-9.

AbstractContinuous interscalene brachial plexus block has been shown to be the most effective analgesic technique following shoulder surgery; however, its use is uncommon due to logistical and safety concerns related to ambulatory administration. We prospectively studied 1505 consecutive patients undergoing shoulder surgery who received continuous interscalene analgesia at home. Catheter removal was by the patient between postoperative days two and five. There were no major complications although 27% of patients reported mild dyspnoea, 13% hoarseness and 7% dysphagia. Twelve percent sought medical advice and 2% reported technical issues with the pump or tubing. Complications and technical issues were associated with patient age; weight; use of ultrasound or concomitant nerve stimulation as the endpoint for final needle tip position; local anaesthetic placement via the catheter or needle; whether a catheter-related intervention for pain relief was required in the recovery area; and the type of ambulatory pump. We conclude that this study supports the safety of this underused analgesic technique.© 2016 The Association of Anaesthetists of Great Britain and Ireland.

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