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Evaluation of an Infant Temporal-Bone Model as Training Tool.
Rudolf Probst1,2, Reto Stump1,2, Markus Mokosch3
1Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Zürich.
Summary
New infant temporal bone (TB) models demonstrate comparable face validity to adult TB models for surgical training, including cochlear implantation. These artificial models offer a valuable alternative for otologic surgical education due to the scarcity of infant cadaveric specimens.
Area of Science:
- Otolaryngology
- Surgical Education
- Medical Modeling
Background:
- Cadaveric infant temporal bones are scarce, limiting surgical training opportunities.
- Artificial models are crucial for simulating complex otologic procedures.
Purpose of the Study:
- To evaluate the face validity of a novel artificial infant temporal bone (TB) model for surgical training.
- To compare its utility with established adult TB models for procedures like cochlear implantation.
Main Methods:
- Micro-computer-tomography was used to create the infant TB model from a 1-year-old specimen.
- Fifteen otology departments assessed the model using a semi-quantitative questionnaire.
- Evaluated anatomical details, drilling experience, and surgical landmarks for procedures including mastoidectomy and cochleostomy.
Main Results:
- Overall ratings for infant and adult TB models were similar (3.9).
- Infant model ratings ranged from 3.47 to 4.47; adult model ratings ranged from 3.5 to 4.33.
- Specific anatomical detail ratings varied but showed no preference for either model.
Conclusions:
- Artificial infant TB models are suitable for surgical training, mirroring adult model utility.
- These models can play a significant role in otologic surgical education.
- They provide a necessary alternative to unavailable infant cadaveric temporal bones.
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