Journal
ANNALS OF PLASTIC SURGERY
Volume 89, Issue 3, Pages 326-330Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/SAP.0000000000003274
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Funding
- Office of Naval Research [N00014-10-1-0868]
- US Department of DefenseCongressionally Directed Medical Research Programs [W81XWH15-2-0036]
- New York University Langone Health
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Our study aims to demonstrate the feasibility of using software-based 3D facial analysis to quantify edema during/after acute rejection (AR) treatment in facial transplant (FT) patients. The analysis showed that edema increased before AR treatment and was reduced after treatment. This technology shows promise for noninvasive monitoring of FT patients.
Background: Acute rejection (AR) is a common complication in facial transplant (FT) patients associated with allograft edema and erythema. Our study aims to demonstrate the feasibility of using software-based 3-dimensional (3D) facial analysis to quantify edema as it resolves during/Mier AR treatment in an FT patient. Methods: Our patient is a 23-year-old man who underwent a face and bilateral hand allotransplant in August 2020. The Vectra H1 (Canfield, Fairfield, NJ) portable scanner was used to capture 3D facial images at 8 time points between post-operative day (POD) 392 and 539. The images were analyzed with the Vectra Software using a rejection-free image (POD 539) as a control. Results: Edema increased in the periorbital, lower third, and submandibular regions before AR treatment (POD 392-415). At POD 448, total facial edema was reduced to near baseline values in response to plasmapheresis and thymoglobulin (+156.94 to +28.2 mL). The fastest and most notable response to treatment was seen in the periorbital region, while some edema remained in the submandibular (+19.79 mL) and right lower third (+8.65 mL) regions. On POD 465, after the initial improvement, the edema increased but was resolved with steroid use. Facial edema did not correlate with the histopathological evaluation in our patient. Conclusions: We demonstrated the feasibility of analyzing 3D facial images to quantify edema during/after AR treatment in an FT patient. Our analysis detected edema changes consistent with AR followed by an improvement after treatment. This technology shows promise for noninvasive monitoring of FT patients.
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