[논문]Augmented reality and dynamic infrared thermography for perforator mapping in the anterolateral thigh

Cifuentes, Ignacio Javier; Dagnino, Bruno Leonardo; Salisbury, Maria Carolina; Perez, Maria Eliana; Ortega, Claudia; Maldonado, Daniela

doi:10.5999/aps.2017.01375

Augmented reality and dynamic infrared thermography for perforator mapping in the anterolateral thigh 원문보기

Archives of plastic surgery : APS, v.45 no.3, 2018년, pp.284 - 288

Cifuentes, Ignacio Javier (Section of Plastic and Reconstructive Surgery, School of Medicine, Pontificia Universidad Catolica de Chile) , Dagnino, Bruno Leonardo (Section of Plastic and Reconstructive Surgery, School of Medicine, Pontificia Universidad Catolica de Chile) , Salisbury, Maria Carolina (Section of Plastic and Reconstructive Surgery, School of Medicine, Pontificia Universidad Catolica de Chile) , Perez, Maria Eliana (Department of Epidemiology and Public Health, Universidad de los Andes) , Ortega, Claudia (Department of Radiology, School of Medicine, Pontificia Universidad Catolica de Chile) , Maldonado, Daniela (Department of Surgery, School of Medicine, Universidad Catolica de Chile)

Abstract ▼ AI-Helper

Dynamic infrared thermography (DIRT) has been used for the preoperative mapping of cutaneous perforators. This technique has shown a positive correlation with intraoperative findings. Our aim was to evaluate the accuracy of perforator mapping with DIRT and augmented reality using a portable projector. For this purpose, three volunteers had both of their anterolateral thighs assessed for the presence and location of cutaneous perforators using DIRT. The obtained image of these "hotspots" was projected back onto the thigh and the presence of Doppler signals within a 10-cm diameter from the midpoint between the lateral patella and the anterior superior iliac spine was assessed using a handheld Doppler device. Hotspots were identified in all six anterolateral thighs and were successfully projected onto the skin. The median number of perforators identified within the area of interest was 5 (range, 3-8) and the median time needed to identify them was 3.5 minutes (range, 3.3-4.0 minutes). Every hotspot was correlated to a Doppler sound signal. In conclusion, augmented reality can be a reliable method for transferring the location of perforators identified by DIRT onto the thigh, facilitating its assessment and yielding a reliable map of potential perforators for flap raising.

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문제 정의

The aim of this study was to evaluate the accuracy of the thermographic projections of perforators identified using an acoustic Doppler device.
This method uses an affordable thermal camera and a portable projector, which is likely to be readily accessible. To the best of our knowledge, this is the first report of combining dynamic infrared thermography and augmented reality for the identification of perforators. Future studies should use thermography to assess the functional aspects of the perforators, such as perfusion area and flow.

가설 설정

We hypothesize that having a visual guide to multiple perforators projected over the body’s surface could have a real impact on the surgeon’s decisions regarding flap design.

제안 방법

In this study, we present a technique for acquiring thermal images and projecting them back onto the skin surface as a technique for preoperative perforator mapping. This method uses an affordable thermal camera and a portable projector, which is likely to be readily accessible.
To test the accuracy of our method, we assessed the anterolateral aspect of six thighs in three healthy volunteers. Verbal informed consent was obtained from the participants.

대상 데이터

The setup consisted of a thermal camera (Therm-App, Opgal Optronic Industries, Karmiel, Israel) attached to a smartphone (Samsung Galaxy S3; Samsung Electronics Co. Ltd., Suwon, Korea) through a mini USB (universal serial bus) connector (Fig. 1). The camera’s standard software was replaced with an improved commercial version (ThermAppPlus) in order to adjust the color palette range.

후속연구

To the best of our knowledge, this is the first report of combining dynamic infrared thermography and augmented reality for the identification of perforators. Future studies should use thermography to assess the functional aspects of the perforators, such as perfusion area and flow.

참고문헌 (15)
타임라인 바로가기

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2 Theuvenet WJ Koeyers GF Borghouts MH Thermographic assessment of perforating arteries: a preoperative screening method for fasciocutaneous and musculocutaneous flaps Scand J Plast Reconstr Surg 1986 20 25 9 3775289

상세보기 타임라인에서 보기
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상세보기 타임라인에서 보기
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상세보기 타임라인에서 보기
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상세보기 타임라인에서 보기
7 Itoh Y Arai K Use of recovery-enhanced thermography to localize cutaneous perforators Ann Plast Surg 1995 34 507 11 7639488

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9 de Weerd L Miland AO Mercer JB Perfusion dynamics of free DIEP and SIEA flaps during the first postoperative week monitored with dynamic infrared thermography Ann Plast Surg 2009 62 42 7 19131718

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11 Yamamoto T Todokoro T Koshima I Handheld thermography for flap monitoring J Plast Reconstr Aesthet Surg 2012 65 1747 8 22871431
12 Weum S Lott A de Weerd L Detection of perforators using smartphone thermal imaging Plast Reconstr Surg 2016 138 938e 940e

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13 Yamamoto T Ishiura R Kato M Hands-free vein visualizer for selection of recipient vein with an intact valve in lymphatic supermicrosurgery J Plast Reconstr Aesthet Surg 2015 68 871 3 25709004
14 Hummelink S Hameeteman M Hoogeveen Y Preliminary results using a newly developed projection method to visualize vascular anatomy prior to DIEP flap breast reconstruction J Plast Reconstr Aesthet Surg 2015 68 390 4 25498828
15 Kim Y Kim H Kim YO Virtual reality and augmented reality in plastic surgery: a review Arch Plast Surg 2017 44 179 87 28573091

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DOI : 10.5999/aps.2017.01375 [무료]
성형및재건외과학회 : 저널
PubMed Central : 저널 > 논문 [무료]
Thieme Medical Publishers : 저널
ScienceCentral : 저널
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