Three-Dimensional-Printed Liver Model Helps Learners Identify Hepatic Subsegments: A Randomized-Controlled Cross-Over Trial

Victor G. Chedid, Amika A. Kamath, John M Knudsen, Katrin Frimannsdottir, Kathleen J. Yost, Jennifer R Geske, Jonathan M. Morris, Timucin Taner, Jane M. Matsumoto, Patrick S. Kamath

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1 Scopus citations

Abstract

INTRODUCTION: The purpose of this study was to find out whether 3-dimensional (3D)-printed models improved the learners' ability to identify liver segments. METHODS: A total of 116 physicians from 3 disciplines were tested in a cross-over trial at baseline and after teaching with 3D models and 2-dimensional (2D) images. Adjusted multilevel-mixed models were used to compare scores at baseline and after 3D and 2D. RESULTS: Accuracy in identifying hepatic segments was higher with 3D first than 2D (77% vs 69%; P = 0.05) and not significantly improved by a combination of 3D and 2D. Increased confidence in segment identification was highest in trainees after 3D (P = 0.04). DISCUSSION: 3D-printed models facilitate learning hepatic segmental anatomy.

Original languageEnglish (US)
Pages (from-to)1906-1910
Number of pages5
JournalThe American Journal of Gastroenterology
Volume115
Issue number11
DOIs
StatePublished - Nov 1 2020

ASJC Scopus subject areas

  • Hepatology
  • Gastroenterology

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