Abstract
Purpose Regional anesthesia (RA) is commonly used in distal radius fracture surgery to reduce pain and opioid consumption. The purpose of this study was to evaluate the real-world impact of RA on inpatient and outpatient opioid consumption and demand in patients undergoing distal radius fracture surgery. Methods All patients ages 18 and older undergoing distal radius fracture surgery between 7/2013 and 7/2018 at a single institution (n = 969) were identified. Inpatient opioid consumption and outpatient opioid prescribing in oxycodone 5-mg equivalents (OE’s) up to 90-d post-operative were recorded for patients with and without RA. Adjusted models were used to evaluate the impact of RA on opioid outcomes. Results Adjusted models demonstrated decreases in inpatient opioid consumption in patients with RA (10.7 estimated OE’s without RA vs. 7.6 OE’s with RA from 0 to 24 h post-op, 10.2 vs. 5.3 from 24 to 48 h post-op and 7.5 vs. 5.0 from 48 to 72 h post-op, p<.05). Estimated cumulative outpatient opioid demand was significantly higher in patients with RA (65.3 OE’s without RA vs. 81.0 with RA from 1-month pre-op to 2-week post-discharge, 76.1 vs. 87.7 OE’s to 6-weeks, and 80.8 vs. 93.5 OE’s to 90-d, all p values for RA <.05) though rates of refill were significantly lower in patients with RA from 2-week to 6-week post-op compared to patients without RA. Conclusions Patients undergoing RA in distal radius fracture surgery had decreased inpatient opioid consumption but increased outpatient demand after adjustment for patient and operative characteristics. Level of evidence Level III, retrospective, therapeutic cohort study.
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