New Measurement Method of Wound Healing by Stereoimage Optical Topometer System.

Rho, Kyoung Hwan; Han, Seung Kyu; Kim, Woo Kyung

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Case Report

Journal of the Korean Society of Plastic and Reconstructive Surgeons 2008;35(6):755-758.
Published online November 1, 2008.

New Measurement Method of Wound Healing by Stereoimage Optical Topometer System.

Kyoung Hwan Rho, Seung Kyu Han, Woo Kyung Kim

Department of Plastic Surgery, Korea University College of Medicine, Seoul, Korea. pshan@kumc.or.kr

Abstract

PURPOSE
In order to determine the amount of wound healing, objective sequential assessments of changes in wound size and depth are essential. Although a variety of measurements for wound healing have been proposed, a gold standard for quantifying day-to-day changes in healing has not been established. We present here a simple and non-invasive wound measurement method that quantitatively and accurately documents changes of the size of a raw surface and the volume of a soft tissue defect using a stereoimage optical topometer(SOT) system. METHODS: Using a 5mm diameter biopsy punch, four circular wounds were created on abdominal area of a diabetic mouse. Photographs were taken using SOT system at baseline, 5th day and 10th postoperative day. The wound margin was traced on a digitalized photo and evaluated the area and the volume of the wound by SOT system.
RESULTS
The SOT system calculated a mean wound surface of 15.93+/-0.29mm2 and volume of 827.50+/-88.86 intensity/pixel x area(I/PA) immediately after wounding. On the 5th day after the operation wound surface declined by 10.73mm2 and on the 10th day declined by 5.95mm2. The wound volume also declined from 827.50 I/PA to 161.75 I/PA and 30.50 I/PA on 0, 5th and 10th day, respectively.
CONCLUSION
The SOT system described in this study represents a reliable, simple, practical, and non-invasive technique to accurately monitor and evaluate wound healing.

Keywords: Wound healing; Stereoimage optical topometer

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