Abstract
Pain management following minimally invasive repair of pectus excavatum is variable. We recently adopted a comprehensive multimodal analgesic protocol that standardizes perioperative analgesic management. We hypothesized that patients managed with this protocol would use more opioids postoperatively, have similar pain control, and shorter length of stay compared to patients managed with thoracic epidural infusion. We retrospectively compared opioid consumption, pain scores, and length of stay between a cohort of patients managed with our multimodal analgesic protocol and a cohort managed with a thoracic epidural infusion. This retrospective cohort comparison includes patients, 8 to 21 years of age, managed with either thoracic epidural infusion (n = 21) or multimodal analgesic protocol (n = 29) following minimally invasive repair of pectus excavatum from January 1, 2011 through September 15, 2015. The primary outcome, total daily opioid consumption in morphine equivalents, is presented as an average by postoperative day. Secondary outcomes included median daily pain score and length of stay. Patients were similar in age, weight, sex, and physical status. Patients managed with thoracic epidural infusion received less opioid (morphine equivalents-mg/kg) intraoperatively compared to multimodal analgesic protocol (difference of mean [95% confidence interval] 0.22 [0.16-0.28] P ≤ .01) but required more total opioid through postoperative day 3 (difference of mean [95% confidence interval] 1.2 [0.26-2.14] P = .01). We did not observe a difference in pain scores. Median length of stay was 1 day less in patients managed with multimodal analgesic protocol (difference of median [95% confidence interval] 1 [0.3-1.7] P = .003). Implementation of a standardized comprehensive multimodal analgesic protocol following minimally invasive repair of pectus excavatum resulted in equivalent analgesia with a modest reduction in length of stay when compared to thoracic epidural. We did not observe an opioid sparing effect in our thoracic epidural which may reflect technique variability.
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