Facial suspension with acellular human dermal allograft

Area of Science:

• Plastic Surgery
• Regenerative Medicine
• Facial Reanimation

Background:

• Facial paralysis can lead to oral commissure ptosis, affecting aesthetics and function.
• Static slings are used to correct facial asymmetry and improve oral competence.
• Acellular human dermal (AHD) allograft offers a biological alternative for reconstructive procedures.

Purpose of the Study:

• To evaluate the efficacy of acellular human dermal (AHD) allograft as static slings for treating oral commissure ptosis.
• To assess functional and aesthetic outcomes in patients with facial paralysis undergoing AHD allograft sling placement.
• To determine the safety and complication profile of AHD allografts in this application.

Main Methods:

• A prospective study involving 11 consecutive patients with facial paralysis.
• Treatment with acellular human dermal (AHD) allograft static slings.
• Follow-up ranged from 4 to 14 months, with outcomes graded based on commissure symmetry.

Main Results:

• All 10 evaluated patients demonstrated improvement in oral commissure position, oral competence, and cheek ptosis.
• Outcome grading: 4 patients achieved grade 1 (excellent), 5 achieved grade 2, and 1 achieved grade 3.
• No cases of implant extrusion or infection were reported, even in patients who received radiation therapy.

Conclusions:

• Acellular human dermal (AHD) allograft is an effective material for static slings in treating oral commissure ptosis.
• The biointegration of AHD allografts may contribute to the absence of infections and high success rates.
• AHD allografts show particular promise for patients with facial paralysis, including those who have undergone radiation therapy.