• Ian Sh Fong, Chin Hang Yiu, Matthew D Abelev, Sara Allaf, David A Begley, Bernadette A Bugeja, Kok Eng Khor, Joanne Rimington, and Jonathan Penm.
• Department of Pharmacy, Prince of Wales Hospital, Randwick, Australia.
• Anaesth Intensive Care. 2023 Sep 1; 51 (5): 340347340-347.

AbstractOpioids are commonly prescribed to manage pain after surgery. However, excessive supply on discharge can increase patients' risk of persistent opioid use and contribute to the reservoir of unused opioids in the community that may be misused. This study aimed to evaluate the use of opioids in Australian surgical patients after discharge and patient satisfaction with the provision of opioid information after discharge. This prospective cohort study was conducted at a tertiary referral and teaching hospital. Surgical patients were called 7-28 days after discharge to identify their opioid use and the information that they received after discharge. In total, 66 patients responded. Most patients underwent orthopaedic surgery (45.5%; 30/66). The median days of opioids supplied on discharge was 5 (IQR 3-5). In total, 40.9% (27/66) of patients had >50% of their opioids remaining. Patients undergoing orthopaedic surgery were less likely to have >50% of their opioids remaining (P = 0.045), whilst patients undergoing urological or renal surgeries were significantly more likely (P = 0.009). Most patients recalled receiving information about their opioids (89.4%; 59/66). However, the majority (51.5%; 34/66) did not recall receiving any information about the signs of opioid toxicity and interactions between opioids and alcohol. In conclusion, around 40% of patients had more than half of their opioid supply remaining after they ceased taking their opioid. Although most patients recalled receiving information about their opioids, more than half did not recall receiving any information about the signs of opioid toxicity or interactions between opioids and alcohol.

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