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New Method May Improve Face Transplant Matches
Study found 5 key measurements involved in getting best facial appearance
WEDNESDAY, Oct. 9 (HealthDay News) -- Face transplants -- some with remarkable results -- are increasingly becoming an option for people with devastating burns and other severe facial injuries. A new study finds that measuring five specific facial landmarks before the surgery may help better match donors and recipients.
"Although there have been many advances made in facial transplantation, reproducible methods of predicting donor-to-recipient match would be very useful, as it can take many months to locate an appropriate donor," study co-author Dr. Bohdan Pomahac said in an American Society of Plastic Surgeons (ASPS) news release.
"We found that if certain facial measurements were off by as little as 1 millimeter between donor and recipient, they were not the best match for transplant surgery."
Pomahac and colleagues conducted 61 virtual face transplantations representing donors and recipients of different ages and genders. They took nine soft-tissue measurements from each face before transplantation. Each virtual recipient's appearance after transplantation was evaluated by 20 independent reviewers.
The researchers found that a 1-millimeter difference in five soft-tissue measurements led the reviewers to rate a facial transplant recipient as looking "very disfigured," rather than "normal" or "mildly disfigured," according to the study, which is scheduled for presentation Saturday at the annual meeting of the ASPS, in San Diego.
The five soft-tissue measurements were:
- Down the middle of the forehead,
- The inner corner of the eyes where the upper and lower eyelids meet,
- The outer corner of the eyes where the upper and lower eyelids meet,
- The distance or area from the nose to the chin,
- Mouth width.
"Our study provides early evidence for the importance of soft-tissue measurements in the planning of facial transplantation," Pomahac said. "With future improvements to immune suppression and increased donor availability, matching soft-tissue landmarks may be an additional factor used to optimize post-transplant outcomes."
Conclusions of studies presented at medical meetings should be viewed as preliminary until they are published in a peer-reviewed journal.
The American Academy of Facial Plastic and Reconstructive Surgery has more about face transplantation.
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