[The use of augmented reality for preoperative preparation of perforated flaps: a pilot study].

Background: Augmented reality (AR - augmented reality) is the addition of digital information to one or more senses, which allows the user to perform tasks more efficiently. This can be achieved by overlaying images, videos, or computer models.

Objective: The aim the study is to study the use of AR for preoperative planning of perforant flaps and compare the results of visualization accuracy of various research methods.

Materials and methods: 3 patients with oncological diseases were examined, who were planned to lift and transplant a SCIP flap (in two cases) and a propeller flap on the perforant branch of the peroneal artery (in one case). All patients underwent a high-frequency ultrasound of 75 GHz examination of the donor zone and marking along it in the area of the planned flap lift. A CT scan of the donor area was also performed, followed by the superimposition of a segmentation image using HoloLens 2 virtual reality glasses. 7 measurements were obtained.

Results: AR for microsurgical planning was performed in two inguinal regions and was 100% correlated with the results of high-frequency ultrasound, in the case of perforant vessels of the peroneal artery, a discrepancy of 5 mm was noted for the X and Y axes in three perforant vessels.

Conclusion: Augmented reality allows the reconstructive surgeon to see the anatomy of the area of interest in a particular patient before the incision. This area of medicine is certainly in demand, promising and requires further research with larger patient samples and randomization.