Abstract
BackgroundIn this study, we explored the utility of intravenous opioid rescue analgesia in the post anesthesia care unit (PACU-OpResc) as a single marker of thoracic epidural analgesia (TEA) failure and evaluated the resource implications and quality improvement applications of this measure.MethodsWe performed a retrospective analysis of all TEA placements over a three-year period at a single academic medical center in Boston, Massachusetts. The study exposure was PACU-OpResc. Primary outcome was PACU length of stay (LOS). Secondary outcomes included reasons for delayed PACU discharge and intraoperative hypotension. The analyses were adjusted for confounding variables including patient comorbidities, surgical complexity, intraoperative intravenous opioids, chronic opioid use and local anesthetic bolus through TEA catheter. Post analysis chart review was conducted to determine the positive predictive value (PPV) of PACU-OpResc for inadequate TEA. As a first Plan-Do-Study-Act cycle, we then introduced a checkbox for documentation of a sensory level check after TEA placement. Post implementation data was collected for 7 months.ResultsPACU-OpResc was required by 211 (22.1%) patients who received preoperative TEA, was associated with longer PACU LOS (incidence rate ratio 1.20, 95% CI:1.07–1.34, p = 0.001) and delayed discharge due to inadequate pain control (odds ratio 5.15, 95% CI 3.51–7.57, p < 0.001). PACU-OpResc had a PPV of 76.3 and 60.4% for re-evaluation and manipulation of the TEA catheter in PACU, respectively. Following implementation of a checkbox, average monthly compliance with documented sensory level check after TEA placement was noted to be 39.7%. During this time, a reduction of 8.2% in the rate of PACU-OpResc was observed.ConclusionsThis study demonstrates that PACU-OpResc can be used as a quality assurance measure or surrogate for TEA efficacy, to track performance and monitor innovation efforts aimed at improving analgesia, such as our intervention to facilitate sensory level checks and reduced PACU-OpResc.Trial registrationnot applicable.
Highlights
In this study, we explored the utility of intravenous opioid rescue analgesia in the post anesthesia care unit (PACU-OpResc) as a single marker of thoracic epidural analgesia (TEA) failure and evaluated the resource implications and quality improvement applications of this measure
This study demonstrates that Post Anesthesia Care Unit (PACU)-OpResc can be used as a quality assurance measure or surrogate for TEA efficacy, to track performance and monitor innovation efforts aimed at improving analgesia, such as our intervention to facilitate sensory level checks and reduced PACU-OpResc
Phase 2 of our study describes a quality improvement initiative involving the documentation of a sensory level check (SLC) and includes the PACU-OpResc rates as measured throughout phase 1 and up to April 30th 2019 and a 7 month period postintervention (May 1st 2019 to November 30th, 2019)
Summary
We explored the utility of intravenous opioid rescue analgesia in the post anesthesia care unit (PACU-OpResc) as a single marker of thoracic epidural analgesia (TEA) failure and evaluated the resource implications and quality improvement applications of this measure. Thoracic epidural analgesia (TEA) is a widely accepted and effective modality for postoperative pain management after thoracic and abdominal surgery [1, 2]. The specific benefits of TEA include better quality of pain control, decreased incidence of respiratory complications and reduced postoperative nausea and vomiting when compared to parenteral opioids [1, 3,4,5,6]. The high risk of failure, considering the potential benefit to surgical patients, makes TEA a highyield patient-centered care area for performance improvement
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