Comparisons in Analgesic Effects Between Ultrasound-Guided Erector Spinae Plane Block and Ultrasound-Guided Modified Intercostal Nerve Block in Modified Radical Mastectomy: A Randomized Controlled Trial.
Xin Da, Zimeng Jin, Ziyi Zou et al.
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From the abstract
Postoperative acute pain is a common challenge after breast cancer surgery. This randomized controlled trial compared the analgesic effects of ultrasound-guided erector spinae plane block (ESPB) and modified intercostal nerve block (MINB) in patients undergoing unilateral modified radical mastectomy.
Reported results
At 6 hours postoperatively, both resting VAS (median 2 [0-2] vs 2 [2-3], P=0.005) and movement-evoked VAS (median 3 [2-4] vs 4 [3-4], P=0.015) were lower in the MINB group. Resting VAS scores at 0 and 3 hours were comparable between groups. Movement-evoked VAS scores were lower in the MINB group at all post-surgery time points (P<0.05 for all).
Authors' conclusions
Ultrasound-guided MINB was associated with lower 6-hour resting and movement-evoked pain scores and reduced intraoperative opioid consumption compared with ESPB, without compromising recovery quality in patients undergoing unilateral modified radical mastectomy.