• J B Sartain and J J Barry.
• Department of Anaesthesia and Intensive Care, Cairns Base Hospital, Queensland.
• Anaesth Intensive Care. 1999 Aug 1;27(4):375-80.

AbstractAn audit of postoperative pain management was conducted before and after the introduction of an Acute Pain Service (APS) run entirely by medical staff. The ability of patients to complete two pain-scoring systems, a verbal rating score (VRS) and a numerical rating score (NRS, where 0 = no pain, 10 = worst pain) was compared. We surveyed 605 adults 24 hours postoperatively. For major operations, the incidence of "severe" or "unbearable" pain at rest (VRS) over the first 24 hours decreased from 18.1% before to 3.5% after the APS (P = 0.0002) and severe/unbearable pain with movement decreased from 50% to 31% (P = 0.0037). The average NRS pain scores fell from 4.65 to 3.37 at rest (P < 0.0001) and from 6.77 to 6.19 with movement (P = 0.046). The incidence of severe/unbearable pain at rest with patient-controlled analgesia (PCA) decreased from 19.7% to 3.2% after the APS (P = 0.0012) and with movement from 51.3% to 35.1% (P = 0.049). For epidural analgesia, severe/unbearable pain at rest was 18.8% prior to the APS and 4.4% after (P = 0.14), and with movement was 43.8% before and 19.1% after (P = 0.079). The NRS pain-scoring system was unsuitable for Aboriginal or Torres Strait Islander patients. Patient satisfaction was high both before and after the introduction of the APS, and was an unreliable indicator of effective pain relief. We conclude that an APS can improve postoperative pain control with PCA and epidural analgesia.

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