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. 2024 May 23:41:116-127.
doi: 10.1016/j.jpra.2024.04.008. eCollection 2024 Sep.

The effect of a local anesthetic cocktail in a serratus anterior plane and PECS 1 block for implant-based breast reconstruction

Nicholas F Lombana  1 , Courtney Beard  1 , Ishan M Mehta  1 , Reuben A Falola  1 , Peter Park  2 , Andrew M Altman  1 , Michel H Saint-Cyr  3
Affiliations

The effect of a local anesthetic cocktail in a serratus anterior plane and PECS 1 block for implant-based breast reconstruction

Nicholas F Lombana et al. JPRAS Open. .

Abstract

Introduction: Enhanced recovery after surgery (ERAS) protocols have been implemented to decrease opioid use and decrease patient hospital length of stay (LOS, days). Serratus anterior plane (SAP) blocks anesthetize the T2 through T9 dermatomes of the breast and can be applied intraoperatively. The purpose of this study was to compare postoperative opioid (OME) consumption and LOS between a control group, an ERAS group, and an ERAS/local anesthetic cocktail group in patients who underwent implant-based breast reconstruction.

Methods: In this study, 142 women who underwent implant-based breast reconstruction between 2004 and 2020 were divided into Group A (46 patients), a historical cohort; Group B (73 patients), an ERAS/no-block control group; and Group C (23 patients), an ERAS/anesthetic cocktail study group. Primary outcomes of interest were postanesthesia care unit (PACU), inpatient and total hospital OME consumption, and PACU LOS.

Results: A significant decrease was observed from Group A to C in PACU LOS (103.3 vs. 80.2 vs. 70.5; p = 0.011), OME use (25.1 vs. 11.4 vs. 5.7; p < 0.0001), and total hospital OME (120.3 vs. 95.2 vs. 35.9; p < 0.05). No difference was observed in inpatient OMEs between the three groups (95.2 vs. 83.8 vs. 30.8; p = 0.212). Despite not reaching statistical significance, Group C consumed an average of 50-60 % less opioids per patient than did Group B in PACU, inpatient, and total hospital OMEs.

Conclusion: Local anesthetic blocks are important components of ERAS protocols. Our results demonstrate that a combination regional block with a local anesthetic cocktail in an ERAS protocol can decrease opioid consumption in implant-based breast reconstruction.

Keywords: Breast reconstruction; ERAS; Enhanced recovery after surgery; Implant; Outpatient; PECS1; SAP; Serratus anterior plane; Tissue expander.

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Conflict of interest statement

None declared.

Figures

Figure 1
Figure 1
PECS I and PECS II block.
Figure 2
Figure 2
Serratus anterior plane (SAP) block.
Figure 3
Figure 3
Average oral morphine equivalent consumption per phase.
See this image and copyright information in PMC

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