• Bahadir Ciftci, Mursel Ekinci, Pelin Basim, Erkan Cem Celik, Ismail Cem Tukac, Mahmut Zenciroglu, and Yunus Oktay Atalay.
• Department of Anesthesiology, School of Medicine, Istanbul Medipol University, Istanbul, Turkey.
• Pain Pract. 2021 Jul 1; 21 (6): 638-645.

PurposeAlthough breast-conserving surgery-axillary dissection (BCS-AD) is a minimally invasive surgery, patients may suffer from moderate-to-severe pain. Several regional techniques can be used for pain control. The type II pectoral nerve block (PECS II) and the rhomboid intercostal block (RIB) are interfascial plane blocks that have been reported to provide effective analgesia after breast surgery. This study aims to compare the analgesic efficacy of the PECS II block and the RIB after breast surgery.Patients And MethodsNinety female patients aged 18 to 65 years with American Society of Anesthesiologists (ASA) classes I and II physical status who underwent unilateral BCS-AD surgery were included. Patients were divided into three groups (n = 30 in each): the PECS II group, the RIB group, or the control group. PECS II block and RIB were performed with 30 mL 0.25% bupivacaine. Ibuprofen 400 mg IV 3 × 1 was given in the postoperative period. A patient control analgesia device included a dose of 10 µg/mL fentanyl, which was prepared and connected to the patients.ResultsThere were no statistical differences between groups in terms of demographical data. Postoperative fentanyl consumption was significantly lower in the PECS II and RIB groups than the control group. The need for rescue analgesia use was significantly higher in the control group than the other groups. At all times, visual analog scale scores were significantly lower in the PECS II and RIB groups than the control group.ConclusionsThe PECS II block and the RIB provide similar effective analgesia after BCS-AD.© 2021 World Institute of Pain.

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