Why do thoracic epidurals fail? A literature review on thoracic epidural failure and catheter confirmation.

World J Crit Care Med

Department of Anesthesia and Perioperative Medicine, Schulich School of Medicine, Western University, London N6A 5W9, ON, Canada.

Published: September 2024

Thoracic epidural anesthesia (TEA) has been the gold standard of perioperative analgesia in various abdominal and thoracic surgeries. However, misplaced or displaced catheters, along with other factors such as technical challenges, equipment failure, and anatomic variation, lead to a high incidence of unsatisfactory analgesia. This article aims to assess the different sources of TEA failure and strategies to validate the location of thoracic epidural catheters. A literature search of PubMed, Medline, Science Direct, and Google Scholar was done. The search results were limited to randomized controlled trials. Literature suggests techniques such as electrophysiological stimulation, epidural waveform monitoring, and x-ray epidurography for identifying thoracic epidural placement, but there is no one particular superior confirmation method; clinicians are advised to select techniques that are practical and suitable for their patients and practice environment to maximize success.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11372509PMC
http://dx.doi.org/10.5492/wjccm.v13.i3.94157DOI Listing

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