Comparison of Analgesic Efficacy of Pectoralis Type II Block (PECS-II) Versus Erector Spinae Block (ESP) After Modified Radical Mastectomy

Authors

  • Mirza Hamid Beg Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
  • Osama Abdul Mateen Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
  • Taimur Azam Khan Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
  • Shahzada Irfan Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
  • Khalid Buland Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
  • Junaid Zafar Department of Anesthesia, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan

DOI:

https://doi.org/10.51253/pafmj.v76i5.10373

Keywords:

Analgesia, Breast Cancer, Erector Spinae Block, Modified Radical Mastectomy, Pectoralis Type II Block

Abstract

Objective: To compare the post-operative analgesic efficacy of ultrasound-guided pectoralis type II (PECS II) block versus erector spinae (ESP) block in patients undergoing modified radical mastectomy (MRM) for breast cancer.

Study Design: Prospective observational study

Place and Duration of Study: Anesthesia Department of Combined Military Hospital, Rawalpindi, Pakistan, from Jun to Dec 2022.

Methodology: The patients were divided into the pectoralis type II block (Group PECS II) (n=25) and erector spinae block group (Group ESP) (n=25). Primary variables measured were mean time to first rescue analgesia, mean dose of nalbuphine required for control of pain in the next 24 hours, and mean HDU stay. Secondary parameters observed were patient satisfaction on the Likert scale 24 hours after the procedure and incidence of complications between both groups.

Results: Time to first rescue analgesia was longer in the PECS-II group at 355.84±12.64 minutes versus 242.32±10.83 minutes in the ESP group (p<0.001). Subsequently, the total analgesia requirement was also considerably decreased in the PECS-II group with 4.64±0.63 mg in 24 hours versus 8.08±0.90 mg in 24 hours in the ESP group (p<0.001). Mean HDU stay was also statistically significant and was less in the PECS-II versus ESP group, with a mean stay of 27.40±2.21 hours versus 30.60±5.14 hours (p=0.002).

Conclusion: The PECS-II block provides superior analgesia with a favorable adverse effect profile, providing excellent pain relief and patient satisfaction.

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Published

30-09-2026

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Original Articles

How to Cite

1.
Beg MH, Mateen OA, Khan TA, Irfan S, Buland K, Zafar J. Comparison of Analgesic Efficacy of Pectoralis Type II Block (PECS-II) Versus Erector Spinae Block (ESP) After Modified Radical Mastectomy. Pak Armed Forces Med J [Internet]. 2026 Sep. 30 [cited 2026 Sep. 30];76(5):613-7. Available from: https://www.pafmj.org/PAFMJ/article/view/10373