Operable, Low-Cost, High-Resolution, Patient-Specific 3D Printed Temporal Bones for Surgical Simulation and Evaluation.

Item request has been placed! ×
Item request cannot be made. ×
loading   Processing Request
Read More Add to Saved list
  • Additional Information
    • Source:
      Publisher: Sage Country of Publication: United States NLM ID: 0407300 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1943-572X (Electronic) Linking ISSN: 00034894 NLM ISO Abbreviation: Ann Otol Rhinol Laryngol Subsets: MEDLINE
    • Publication Information:
      Publication: 2014- : Los Angeles : Sage
      Original Publication: St. Louis : Annals Publishing Co
    • Subject Terms:
      Clinical Competence* ; Printing, Three-Dimensional* ; Simulation Training* ; Temporal Bone*; Mastoidectomy/*education; Child ; Humans ; Otologic Surgical Procedures/education
    • Abstract:
      Objectives: Three-dimensional printed models created on a consumer level printer can be used to practice mastoidectomy and to discern mastoidectomy experience level. Current models in the literature for mastoidectomy are limited by expense or operability. The aims of this study were (1) to investigate the utility of an inexpensive model for mastoidectomy and (2) to assess whether the model can be used as an evaluation tool to discern the experience level of the surgeon performing mastoidectomy.
      Methods: Three-dimensional printed temporal bone models from the CT scan of a 7-year old patient were created using a consumer-level stereolithography 3D printer for a raw material cost of $10 each. Mastoidectomy with facial recess approach was performed by 4 PGY-2 residents, 4 PGY-5 residents, and 4 attending surgeons on the models who then filled out an evaluation. The drilled models were collected and then graded in a blinded fashion by 6 attending otolaryngologists.
      Results: Both residents and faculty felt the model was useful for training (mean score 4.7 out of 5; range: 4-5) and case preparation (mean score: 4.3; range: 3-5). Grading of the drilled models revealed significant differences between junior resident, senior resident, and attending surgeon scores ( P  = .012) with moderate to excellent interrater agreement (ICC = 0.882).
      Conclusion: The described operable model that is patient-specific was rated favorably for pediatric mastoidectomy case preparation and training by residents and faculty. The model may be used to differentiate between experience levels and has promise for use in formative and summative evaluations.
    • Contributed Indexing:
      Keywords: educational models; mastoidectomy; simulation training; three-dimensional printing
    • Publication Date:
      Date Created: 20210208 Date Completed: 20210726 Latest Revision: 20220425
    • Publication Date:
      20240829
    • Accession Number:
      10.1177/0003489421993733
    • Accession Number:
      33554632