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Simulated wound assessment using digital planimetry versus three-dimensional cameras: implications for clinical assessment.

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Title: Simulated wound assessment using digital planimetry versus three-dimensional cameras: implications for clinical assessment.
Authors: Williams, KJ
Sounderajah, V
Dharmarajah, B
Thapar, A
Davies, AH
Item Type: Journal Article
Abstract: BACKGROUND: Clinical management of wounds can benefit from objective measures of response to treatment. Wound surface area and volume are objective measures of wound healing. Using a synthetic wound model, we compare the accuracy and reproducibility of 2 commercially available 3-dimensional (3D) cameras against planimetry and water displacement. METHODS: Twelve ulcers of various sizes and colors were reproduced in modeling clay and cured. Five naive observers used digital planimetry, water displacement, Eykona camera (Fuel 3D, UK), and Silhouette camera (ARANZ, New Zealand) to measure the wounds. RESULTS: When compared with traditional planimetry, wound surface area measurement with Eykona and Silhouette tended to underestimate wounds by 1.7% and 3.7%, respectively. Spearman correlation coefficients were 0.94 (Eykona) and 0.92 (Silhouette). Intraclass correlations for planimetry and the 2 cameras were all 1. Eykona and Silhouette tended to underestimate wound volumes when compared with water displacement by 58% and 23%, respectively. Spearman correlation coefficients were 0.92 (Eykona) and 0.72 (Silhouette). Intraclass correlations for water displacement and the two cameras were all 1. DISCUSSION: Serial accurate objective area measurements are feasible as part of ongoing clinical assessment of wounds. 3D cameras are reliable but have not shown superior accuracy to manual planimetry, and financial concerns and IT integration may limit general clinical usage. Volume measurements of wounds are practicable as part of clinical care.
Issue Date: 3-Feb-2017
Date of Acceptance: 17-Oct-2016
URI: http://hdl.handle.net/10044/1/45434
DOI: https://dx.doi.org/10.1016/j.avsg.2016.10.029
ISSN: 1615-5947
Publisher: Elsevier
Start Page: 235
End Page: 240
Journal / Book Title: Annals of Vascular Surgery
Volume: 41
Copyright Statement: © 2017 Elsevier Inc. All rights reserved. This manuscript is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/
Sponsor/Funder: Imperial College Trust
Firstkind Ltd
Imperial College Trust
National Institute for Health Research
Actegy Limited
Funder's Grant Number: N/A
SM-PO-2644
N/A
14/140/61
P/O UK1710
Keywords: Cardiovascular System & Hematology
1103 Clinical Sciences
Publication Status: Published
Conference Place: Netherlands
Appears in Collections:Division of Surgery
Faculty of Medicine



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