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Related Experiment Video

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Digital Planimetry for Assessing Wound Closure Kinetics in a Mouse Model
07:56

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Published on: January 10, 2025

595

Smartphone-Based LiDAR Application for Easy and Accurate Wound Size Measurement.

Bokeun Song1,2, Jeonghee Kim1, Hyeokjae Kwon1,3

  • 1Department of Plastic and Reconstructive Surgery, Chungnam National University Hospital, Daejeon 35015, Republic of Korea.

Journal of Clinical Medicine
|September 28, 2023
PubMed
Summary

A new Light Detection and Ranging (LiDAR) technique accurately measures wound size in advanced wound care. This simple, reliable method offers higher precision for flattened, irregular wounds compared to traditional rulers.

Keywords:
dimensional measurement accuracysurgical flapsurgical wound

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Wound Care Technology

Background:

  • Accurate wound size assessment is crucial for effective advanced wound care management.
  • Conventional methods like rulers may lack precision for complex wound shapes.
  • Developing novel, accurate measurement techniques is essential for improving patient outcomes.

Purpose of the Study:

  • To introduce and validate a Light Detection and Ranging (LiDAR) technique for measuring wound size.
  • To compare the accuracy and reliability of LiDAR with conventional ruler methods and ImageJ analysis.
  • To assess the potential of LiDAR as a practical tool in clinical wound assessment.

Main Methods:

  • A cohort of 28 wounds treated between December 2022 and April 2023 were analyzed.
  • Wound sizes were measured using conventional rulers, the LiDAR technique, and ImageJ software.
  • Statistical validation included correlation analysis, linear regression, and Bland-Altman plots.

Main Results:

  • LiDAR measurements (73.59 ± 72.97 cm²) showed high correlation (0.995) and agreement with ImageJ (74.29 ± 72.15 cm²).
  • Conventional ruler methods yielded larger measurements (112.99 ± 110.07 cm²) with lower correlation.
  • LiDAR demonstrated superior accuracy and reliability for flattened, irregular wound shapes.

Conclusions:

  • The LiDAR technique provides a simple, reliable, and accurate method for measuring wound size, particularly for flattened and irregular wounds.
  • LiDAR technology has the potential to enhance clinical wound assessment and management.
  • Current technical limitations restrict LiDAR's application to non-flattened wounds.