Abstract
Background
Guidelines for acute postoperative pain management recommend administering analgesics in multimodal combination to facilitate synergistic benefit, reduce opioid requirements and decrease side‐effects. However, limited observational research has examined the extent to which multimodal analgesics are prescribed and administered postoperatively following joint replacement.
Methods
In this longitudinal study, we used three‐point prevalence surveys to observe the 6‐year trends in prescribing and use of multimodal analgesics on the orthopaedic wards of a single Australian private hospital. We collected baseline postoperative data from total hip and knee arthroplasty patients in May/June 2010 (Time 1, n = 86), and follow‐up data at 1 year (Time 2, n = 199) and 5 years (Time 3, n = 188). During the follow‐up, data on prescribing practices were presented to anaesthetists.
Results
We found a statistically significant increase in the prescribing (p < 0.001) and use (p < 0.001) of multimodal analgesics over time. The use of multimodal analgesics was associated with lower rest pain (p = 0.027) and clinically significant reduction in interference with activities (p < 0.001) and sleep (p < 0.001). However, dynamic pain was high and rescue opioids were likely under‐administered at all time points. Furthermore, while patients reported high levels of side‐effects, use of adjuvant medications was low.
Conclusions
We observed significant practice change in inpatient analgesic prescribing in favour of multimodal analgesia, in keeping with contemporary recommendations. Surveys, however, appeared to identify a clinical gap in the bedside assessment and management of breakthrough pain and medication side‐effects, requiring additional targeted interventions.
Significance
Evaluation of 6‐year trends in a large Australian metropolitan private hospital indicated substantial growth in postoperative multimodal analgesic prescribing. In the context of growing global awareness concerning multimodal analgesia, findings suggested diffusion of best‐evidence prescribing into clinical practice. Findings indicated the effects of postoperative multimodal analgesia in real‐world conditions outside of experimental trials. Postoperative multimodal analgesia in the clinical setting was only associated with a modest reduction in rest pain, but substantially reduced interference from pain on activities and sleep.
from Wiley: European Journal of Pain: Table of Contents https://ift.tt/32YJ3xD
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