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Modelling human burn injuries in a three-dimensional virtual environment.

J Dirnberger1, M Giretzlehner, M Ruhmer

  • 1Upper Austrian University of Applied Sciences, Department of Software Engineeringfor Medicine, Hauptstrasse 117, A-4232 Hagenberg, Austria.

Studies in Health Technology and Informatics
|October 1, 2004
PubMed
Summary

BurnCase is a virtual environment improving burn injury diagnosis by reducing body surface area estimation errors. This 3D simulation tool enhances accuracy, aiding medical treatment and creating a valuable knowledge base for burn care.

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Area of Science:

  • Medical Informatics
  • Computer Graphics
  • Trauma Surgery

Background:

  • Current burn diagnosis methods lack computational support, leading to significant overestimation of Body Surface Area (BSA) by physicians (20-50%).
  • Existing methods like Rule-of-Nines and Lund and Browder charts have limitations in accuracy due to subjectivity and experience variations.
  • The need for precise burn surface area assessment is critical for accurate diagnosis and effective medical treatment planning.

Purpose of the Study:

  • To develop BurnCase, a virtual environment for modeling human burn injuries to improve diagnosis and treatment.
  • To enhance the accuracy of burn surface area (BSA) estimation, reducing the variability seen in current clinical practices.
  • To create a centralized system for burn case registration, facilitating knowledge sharing and decision support.

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Main Methods:

  • Utilized state-of-the-art 3D computer graphics (OpenGL) to create a virtual human body model.
  • Developed a graphical user interface for surgeons to transfer burn injury regions onto the 3D model using standard input devices.
  • Integrated a database to store patient case studies, enabling comparisons and analysis of burn progression and healing.

Main Results:

  • The BurnCase system achieves a precision of 1 cm² in surface area calculation, reducing average estimation variation to less than 5%.
  • Facilitates the calculation of standard burn indices such as Abbreviated Burn Severity Index (ABSI) and Baux score.
  • Enables ICD10 diagnosis encoding and supports the transfer of burn regions onto a 3D model for precise assessment.

Conclusions:

  • BurnCase significantly improves the accuracy of burn surface area determination compared to traditional methods.
  • The system's ability to store and analyze burn data can lead to the development of a comprehensive knowledge base for burn care.
  • Potential for substantial reduction in time and costs associated with medical burn treatment through improved diagnosis and decision support.