KMID : 1038220180450030284
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Archives of Plastic Surgery 2018 Volume.45 No. 3 p.284 ~ p.288
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Augmented reality and dynamic infrared thermography for perforator mapping in the anterolateral thigh
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Cifuentes Ignacio Javier
Dagnino Bruno Leonardo Salisbury Maria Carolina Perez Maria Eliana Ortega Claudia Maldonado Daniela
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Abstract
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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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KEYWORD
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Thermography, Perforator flap, Surgery, computer-assisted
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