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. 2021 Feb 26;7(2):258-261.
doi: 10.1016/j.jvscit.2021.02.008. eCollection 2021 Jun.

Smartphone application for wound area measurement in clinical practice

Rodrigo Bruno Biagioni  1 , Bruno Vinicius Carvalho  1 , Renato Manzioni  1 , Marcelo Fernando Matielo  1 , Francisco Cardoso Brochado Neto  1 , Roberto Sacilotto  1
Affiliations

Smartphone application for wound area measurement in clinical practice

Rodrigo Bruno Biagioni et al. J Vasc Surg Cases Innov Tech. .

Abstract

A total of 85 consecutive patients had their wound area measured. The procedure was executed in two parts. The first was to take photographs of the wound using a smartphone and measure the area using the imitoMeasure application (imito; imito AG, Zurich, Switzerland) by two raters. The second was to take photographs of the same wound using a 10-megapixel digital camera and posterior measurement of the area using ImageJ software (National Institutes of Health, Bethesda, Md) by one operator. The mean area of the wounds was 12.20 ± 10.45 cm2 for imito and 12.67 ± 10.86 cm2 for ImageJ measurement. The interclass correlation coefficient (ICC) between ImageJ and imito was 0.978 for a single measure and 0.989 for the average measure. Considering the two measurements, the ICC demonstrated excellent interobserver correlation using imito (0.987). Larger wounds had a greater difference between the methods (4.28% greater with the ImageJ measurement when considering areas >9 cm2). No difference was found between iOS (ICC, 0.995) and android (ICC, 0.970) smartphone operating systems. The smartphone application is a useful method for area measurement with excellent accuracy compared with digital photography and the ImageJ processing tool.

Keywords: Application; Area; Measurement; Point-of-care; Smartphone; Wound.

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Figures

Fig 1
Fig 1
Photograph of microangiopathic wound at the anterior leg with the area measurement using the imitoMeasure (imito) application (app).
Fig 2
Fig 2
Photograph of the venous wound of the medial malleolus and posterior area measurement using ImageJ software.
See this image and copyright information in PMC

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