• Mursel Ekinci, Bahadir Ciftci, Erkan Cem Celik, Muhammet Ahmet Karakaya, and Yavuz Demiraran.
• Department of Anesthesiology and Reanimation, Istanbul Medipol University, 34000, Bagcilar, Istanbul, Turkey.
• Aesthetic Plast Surg. 2019 Apr 1; 43 (2): 297-304.

BackgroundPECS type-1 block, a US-guided superficial interfacial block, provides effective analgesia after breast surgery. Aesthetic breast augmentation is one of the most common surgical procedures in plastic surgery. Subpectoral prostheses cause severe pain. The aim of this study was to investigate the effect of different volumes of the solution on the efficacy of PECS type-I block for postoperative analgesia after breast augmentation surgery.MethodsNinety ASA status I-II female patients aged between 18 and 65 years who scheduled breast augmentation surgery under general anesthesia were included in this study. The patients were randomly divided into three groups of 30 patients each (Group 20 = 20 ml of anaesthetic solution, Group 30 = 30 ml anaesthetic solution, and Group K = Control group). Postoperative assessment was performed using the VAS score. The VAS scores were recorded postoperatively at 1, 2, 4, 8, 16 and 24 h.ResultsFentanyl consumption was statistically significantly lower in Group 20 and Group 30 compared to the Control group (p < 0.05). There was no statistically significant difference in fentanyl consumption between Group 20 and Group 30. The right and left VAS scores were statistically significantly lower in Groups 20 and 30 than in the Control group (p < 0.05). There was no statistical difference in terms of VAS scores between Group 20 and Group 30. The use of rescue analgesia was statistically lower in Groups 20 and 30.ConclusionsPECS type-1 block using 20 ml of 0.25% bupivacaine can provide effective analgesia after breast augmentation surgery.Level Of Evidence IvThis journal requires that authors assign a level of evidence to each article. For a full description of these evidence-based medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .

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