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Periarticular Local Infiltrative Anesthesia and Regional Adductor Canal Block Provide Equivalent Pain Relief After Anterior Cruciate Ligament Reconstruction
Journal article   Open access   Peer reviewed

Periarticular Local Infiltrative Anesthesia and Regional Adductor Canal Block Provide Equivalent Pain Relief After Anterior Cruciate Ligament Reconstruction

Andrew L Schaver, Natalie A Glass, Kyle R Duchman, Brian R Wolf and Robert W Westermann
Arthroscopy, Vol.38(4), pp.1217-1223
04/2022
DOI: 10.1016/j.arthro.2021.10.031
PMID: 34808250
url
https://www.ncbi.nlm.nih.gov/pmc/articles/11437521View
Open Access

Abstract

To compare postoperative pain and recovery after anterior cruciate ligament reconstruction (ACLR) in patients who received an adductor canal block (ACB) or periarticular local infiltrative anesthesia (LIA). A retrospective review of a prospectively collected ACL registry was performed. Patients underwent ACLR at a single institution between January 2015 and September 2020 and received long-acting local anesthesia with a preoperative ultrasound-guided ACB or periarticular LIA after surgery. Visual analog scale (VAS) pain scores, milligram morphine equivalents (MME) consumed in the post-anesthesia care unit (PACU), and total hospital recovery time were compared. Univariate analysis was used to compare VAS pain and MME totals between overall groups and groups propensity score matched for age, sex, body mass index, graft type, and meniscal treatment. Results are presented as mean (95%CI) unless otherwise indicated. There were 265 knees (253 patients) included (LIA, 157 knees; ACB, 108 knees). Overall, VAS pain scores before hospital discharge (LIA: 2.6 [2.4-2.8] vs ACB: 2.4 [2.1-2.7]; P = .334) and total MMEs were similar (LIA: 17.6 [16.4-18.8] vs ACB: 18.5 [17.2-19.8] (MME); P =.134). Median time to discharge also did not significantly differ (LIA: 137.5 [IQR: 116-178] vs. ACB: 147 [IQR: 123-183] (min); P = .118). Matched subanalysis (LIA and ACB; n = 94) did not reveal significant differences in VAS pain before discharge (LIA: 2.4 [2.1-2.7] vs ACB: 2.7 [2.4-3.0]; P = .134) or total MMEs (LIA: 18.6 (17.2-20.0) vs ACB: 17.9 (16.4-19.4); P = .520). The use of ACB or LIA resulted in similar early pain levels, opioid consumption, and hospital recovery times after ACLR surgery. III, retrospective comparison study.
Analgesics, Opioid Anesthesia, Local Anesthetics, Local Anterior Cruciate Ligament Reconstruction - methods Humans Nerve Block - methods Pain, Postoperative - drug therapy Retrospective Studies

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