• Cheng Lin, Rajwinder Gill, and Kamal Kumar.
• Western University, Department of Anesthesia and Perioperative Medicine, London, Canadá.
• Rev Bras Anestesiol. 2019 Sep 1; 69 (5): 517-520.

Objective And BackgroundErector spinae plane block is a novel analgesic truncal block that has been popularized due to its ease of performance and perceived safety. Erector spinae plane block has been postulated to target the ventral rami and rami communicates of spinal nerves, thus providing somatic and visceral analgesia. In this case series, we describe our experience of bilateral erector spinae plane block placed at the low thoracic level in open gynecologic oncology surgery in three patients.MethodUnder ultrasound guidance, erector spinae plane blocks were done, preoperatively, at the 8th thoracic transverse process bilaterally. Numeric rating scale for pain and opioid consumption of the first 48 postoperative hours were recorded.ResultsPain scores ranged from 0 to 4 among the three patients and 48h opioid consumption in oral morphine equivalents of 4, 6 and 18mg. No adverse events were recorded up to patient discharge from the hospital.ConclusionsErector spinae plane block provided effective analgesia in our case series. While its true mechanism of action remains obscure, the available case reports show encouraging analgesic results with no adverse events recorded. Formal prospective randomized trials are underway to provide further evidence on its efficacy, failure rate and safety.Crown Copyright © 2019. Publicado por Elsevier Editora Ltda. All rights reserved.

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