Why the study?
Does EWA-confirmed LOR reduce the failure rate of thoracic epidural blocks compared to conventional LOR?
Does EWA-confirmed LOR reduce the failure rate of thoracic epidural blocks compared to conventional LOR?
Using epidural waveform analysis to confirm loss of resistance significantly reduces epidural block failure rates for inexperienced operators.
Supports EWA adoption to cut thoracic epidural failures among trainees; confirms waveform benefit over conventional LOR in RCT.
Compared with its conventional counterpart, EWA-confirmed LOR results in a lower failure rate for thoracic epidural blocks (2% vs 24%) in our teaching centers. Confirmatory EWA provides significant benefits for inexperienced operators.
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Arnuntasupakul et al. (2016) studied this question.
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