Erector spinae plane block: A cadaver study to determine its mechanism of action.

Revista española de anestesiología y reanimación
E VidalM Fajardo

Abstract

The erector spinae plane (ESP) block is a novel technique for the treatment of acute and chronic pain. Its mechanism and site of action has not yet been explained properly. In order to explain the mechanism of action of the ESP block, injections were performed with methylene blue to simulate the local anaesthetics and to determine its distribution from the anterior side of the thorax. To find an aperture or channel through which the local anaesthetic passes from posterior to anterior through the muscular and bone structures. Four spinal columns of fresh cryopreserved corpses were used. A total of 9 ultrasound-guided ESP blocks were performed in different regions of the specimens using 20ml of 0.01% methylene blue per block. The distribution of the dye was observed from the anterior side of the thorax, measuring the amount of intercostal spaces stained, before and after the removal of the parietal pleura, and the structures in which the stain was found were recorded. In all blocks of the ESP, dye was found in the paravertebral space, intercostal spaces, and in some cases in the prevertebral chain. The blocks had a mean of 4.6 intercostal spaces stained, with a maximum of 7 and a minimum of 3. The intensity of the dye was greater...Continue Reading

Associated Clinical Trials

Citations

Dec 5, 2018·Anaesthesia·K GreenhalghS Marcangelo
Jan 13, 2019·Regional Anesthesia and Pain Medicine·Joseph SchoenfeldtMitchell Fingerman
Jan 10, 2019·Minerva anestesiologica·Alessandro De CassaiTommaso Tonetti
May 23, 2019·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Rakesh V Sondekoppam, Ban C H Tsui
Sep 5, 2019·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Ki Jinn ChinVincent Chan
Nov 7, 2019·The Journal of Trauma and Acute Care Surgery·Anthony M-H HoManoj K Karmakar
Dec 14, 2019·Current Opinion in Anaesthesiology·Lauren M SmithUNKNOWN St Vincent's Hospital, Melbourne
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Feb 29, 2020·Regional Anesthesia and Pain Medicine·Kelly Byrne, Clare Smith
Feb 13, 2020·Regional Anesthesia and Pain Medicine·Sabashnee GovenderAlbert Neels Van Schoor
Dec 20, 2020·Journal of Anesthesia·Daniele BonviciniAndrea Porzionato
Dec 29, 2020·Clinical Case Reports·Antonio CovielloGiuseppe Servillo
Jan 7, 2021·Canadian Journal of Anaesthesia = Journal Canadien D'anesthésie·Ki Jinn Chin, Kariem El-Boghdadly
Oct 14, 2020·Journal of Cardiothoracic and Vascular Anesthesia·Kaicheng SongJiapeng Huang
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Jun 5, 2021·Journal of Clinical Anesthesia·Bahadir CiftciHaci Ahmet Alici
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Dec 1, 2019·Journal of Clinical Anesthesia·Alessandro De CassaiPaolo Navalesi

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