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. 2023 Jun 12:22:101155.
doi: 10.1016/j.artd.2023.101155. eCollection 2023 Aug.

Peripheral Nerve Catheter Reduces Postoperative Opioid Consumption and Pain in Revision Total Knee Arthroplasty

Jerry Arraut  1 , Jeremiah Thomas  1 , Christian Oakley  1 , Uchenna O Umeh  2 , David L Furgiuele  3 , Ran Schwarzkopf  1
Affiliations

Peripheral Nerve Catheter Reduces Postoperative Opioid Consumption and Pain in Revision Total Knee Arthroplasty

Jerry Arraut et al. Arthroplast Today. .

Abstract

Background: Patients undergoing revision total knee arthroplasty (rTKA) have historically received high doses of opioids during the perioperative period. As awareness of opioid use has heightened, opioid administration has continuously decreased. This study aimed to evaluate if peripheral nerve catheter (PNC) use in rTKA reduces opiate consumption while maintaining similar pain control and postoperative function levels.

Methods: A retrospective review of 354 patients who underwent rTKA between July 2019 and January 2022 was conducted. Fifty total patients who received an adductor canal PNC were propensity-matched 1:1 to a control group of 50 patients that did not receive a PNC. To assess the primary outcome of opiate consumption, nursing documented opiate administration events were converted into morphine milligram equivalents per 24-hour interval. Postoperative pain and functional status were assessed using the verbal rating scale for pain and the Activity Measure for Post-Acute Care scores, respectively.

Results: Compared to the control group, the PNC group demonstrated significantly lower overall inpatient opiate consumption (98.68 ± 117.03 vs 176.69 ± 203.47 morphine milligram equivalents; 44.15% decrease, P = .021) and lower verbal rating scale pain scores at 60 to 72 hours postoperatively (4.85 ± 1.24 vs 5.83 ± 1.35; 16.81% decrease, P = .038). There was no significant difference in Activity Measure for Post-Acute Care scores postoperatively (raw score: 19.41 ± 3.61 vs 19.46 ± 3.18; 0.26% decrease, P = .952). Finally, the PNC cohort was significantly less likely to be readmitted within 90 days after surgery (0.0% vs 12.0%; P = .012).

Conclusions: In rTKA patients, PNC can significantly reduce inpatient opioid consumption while maintaining a comparable functional recovery and superior pain control.

Level iii evidence: Retrospective Cohort Study.

Keywords: Opioid consumption; Pain; Peripheral nerve catheter; Revision TKA.

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