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Electrophysiological Methods to Assess Peripheral Pain Block in an Anesthetized Rat
Published on: November 21, 2025
Which types of peripheral nerve blocks should be included in residency training programs?
Marcia A Corvetto1, Ghislaine C Echevarria2, Ana M Espinoza3
1División de Anestesiología, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.
Chilean anesthesiologists find specific peripheral nerve blocks (PNBs) essential for residency training. This study surveyed recent graduates to identify key PNB techniques for inclusion in anesthesiology curricula.
Area of Science:
- Anesthesiology
- Medical Education
- Regional Anesthesia
Background:
- Current anesthesiology residency programs lack specific recommendations for regional anesthesia training.
- There is a need to define essential nerve block techniques for effective residency education.
Purpose of the Study:
- To determine which peripheral nerve block (PNB) techniques practicing Chilean anesthesiologists consider essential for residency training.
- To gather insights from recent graduates to inform curriculum development.
Main Methods:
- An online survey was distributed to 154 anesthesiologists who graduated between 2005-2012 from two major Chilean universities.
- The survey collected data on the use and perceived importance of various regional anesthesia techniques.
Main Results:
- A 70.8% response rate (109 participants) was achieved, with 98.2% using regional anesthesia in practice.
- The most frequently performed and essential PNBs identified were interscalene, femoral, popliteal sciatic, and Bier blocks.
- Respondents reported high confidence in performing these core PNB techniques.
Conclusions:
- Feedback from former residents can guide the selection of essential PNBs for anesthesiology residency curricula.
- This methodology can be replicated to develop evidence-based guidelines for residency training programs globally.
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