Abstract
Despite complex facial anatomy, transplantation of soft tissues of the entire face, including the maxilla and mandibular segment anterior to the masseter muscle insertion, can be safely performed based on facial vessels alone. Inclusion of hair-bearing scalp requires dissection of the superficial temporal vessels. Unlike other groups, we advocate for supercharging dissected superficial temporal vessels in the preauricular area avoiding difficult dissections in the depth of external auditory canal that presents significant challenges associated with lengthy dissection and bleeding. Neurorrhaphy at the trunk of the facial nerve leads to less targeted postoperative reinnervation, with potential for synkinesis, and whenever possible, individual peripheral facial nerve branches should be reconnected. Adequate planning for integration of the facial allograft requires both complete sensory and motor nerve connection and should be part of each operation. Bilateral external carotid anastomosis may cause a variety of functional problems including oropharyngeal dysfunction and ocular ischemia and hence is not recommended.
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