Efficacy of erector spinae plane block with opioid-sparing analgesic technique in breast-conserving surgery

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Purpose: Breast-conserving surgery (BCS) is a surgical method designed to minimize intraoperative tissue injury. Although this technique is minimally invasive, it can cause significant postoperative pain and may be a risk factor for persistent pain. Erector spinae plane block (ESPB) is an easy interfascial plane block for analgesia in patients undergoing breast surgery. The primary outcome was the numeric rating scale scores measured separately on the breast and axilla. Secondary outcomes included correlation between pain score and skin sensitivity test. Methods: Forty patients were divided into 2 groups (ESPB group and control group). Patients in the ESPB group received an ESPB 30 minutes before the induction of general anesthesia, whereas patients in the control group did not receive any regional analgesia during the perioperative period. Results: Median pain scores of the breast were significantly lower in the ESPB group than that in the control group at 12, 24, and 48 hours after surgery. However, the median pain scores of the axilla were not significantly different between the groups, and the pain score was unrelated to skin sensitivity. Conclusion: ESPB can effectively alleviate acute postoperative pain with an opioid-sparing analgesic technique in patients undergoing BCS, and a strong correlation is lacking between pain scores and skin sensitivity test.

Original languageEnglish
Pages (from-to)253-259
Number of pages7
JournalAnnals of Surgical Treatment and Research
Issue number5
StatePublished - May 2021

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korean government (MSIT) (NRF-2019R1G1A1100523).

Publisher Copyright:
© 2021 Korean Surgical Society. All rights reserved.


  • Local anesthesia
  • Non-narcotic analgesics
  • Segmental mastectomy


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