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Updated: Jan 20, 2026

Noninvasive Determination of Vortex Formation Time Using Transesophageal Echocardiography During Cardiac Surgery
Published on: November 28, 2018
Resident performance in basic perioperative transesophageal echocardiography: Comparing 3 teaching methods in a
Ulrike Weber1, Bernhard Zapletal1, Eva Base1
1Division of Cardiac Thoracic Vascular Anesthesia and Intensive Care Medicine, Department of Anaesthesiology, General Intensive Care and Pain Medicine.
Simulation-based transesophageal echocardiography (TEE) training significantly improves resident performance compared to e-learning or traditional hands-on methods. This simulation approach is ideal for foundational TEE skills and echo-anatomy knowledge.
Area of Science:
- Medical Education
- Anesthesiology
- Cardiovascular Imaging
Background:
- Traditional transesophageal echocardiography (TEE) training relies on time-intensive operating room experience, limiting anesthesiologist exposure.
- Medical simulation offers a viable alternative for training invasive procedures.
Purpose of the Study:
- To compare the effectiveness of e-learning, simulation-based training, and hands-on operating room training for teaching basic TEE views.
- To evaluate the impact of different training modalities on resident performance in TEE.
Main Methods:
- A prospective randomized study involving 51 anesthesia and intensive care residents with no prior echocardiography experience.
- Residents were assigned to e-learning, simulation mannequin, or operating room training groups after theoretical instruction.
- Performance was assessed using theoretical and practical examinations on a simulation mannequin.
Main Results:
- Residents trained with the simulation mannequin achieved significantly higher scores in both practical and theoretical exams.
- Simulation-based training yielded superior results compared to both e-learning and hands-on operating room training.
- No significant difference was observed between e-learning and hands-on training groups.
Conclusions:
- Simulation-based TEE training is more effective than e-learning or traditional hands-on methods.
- Simulation training is particularly beneficial for initial TEE education, focusing on psychomotor skills and echo-anatomy.
- This method enhances the acquisition of essential TEE competencies for residents.
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