• Adam Watchorn, Jason Curran, James Heilman, Nick Balfour, Kirk McCarroll, Shauna Speers, and Devin Harris.
• University of British Columbia, Faculty of Medicine, Vancouver, BC, Canada. adam.watchorn@interiorhealth.ca.
• CJEM. 2023 Feb 1; 25 (2): 157163157-163.

BackgroundIn rural Canada, the majority of prehospital care is provided by basic life support paramedics, who cannot administer opioids or parenteral analgesics. Patients requiring transfer to a higher level of care have limited options for pain control. We aim to determine if ambulance-based patient-controlled analgesia (PCA) is feasible during inter-facility transfers.MethodsThis is a prospective non-consecutive cohort feasibility study conducted in the East Kootenay region of British Columbia from 2016 to 2020. Patients in acute pain from an illness or injury requiring an opioid and transfer to a higher level of care were offered PCA. The study used respiratory depression as a marker of safety, assessed if PCA during transport provided efficacious analgesia, measured satisfaction scores from patients and paramedics, and tracked adverse events.Results84 patients received PCA. The majority had orthopaedic trauma and the average transfer time was 3 h 22 min. The average pain score at the start and end of the transfer was unchanged, at 4 out of 10. Patient and paramedic satisfaction scores at the end of the transfer were 4.6 and 4.7 out of 5, respectively. Three out of the 84 patients (3.6%) had desaturation episodes below or equal to 90% oxygen saturation; however, all resolved with supplemental oxygen.InterpretationAmbulance-based PCA is feasible and has a high level of satisfaction among paramedics and patients. It has significant potential for inter-facility transport in rural regions in Canada where ambulances are staffed with paramedics who cannot administer opioids or other parenteral analgesics.© 2022. The Author(s), under exclusive licence to Canadian Association of Emergency Physicians (CAEP)/ Association Canadienne de Médecine d'Urgence (ACMU).

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