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  • Title: Retroauricular transmeatal approach to manage mandibular condylar head fractures.
    Author: Benech A, Arcuri F, Baragiotta N, Nicolotti M, Brucoli M.
    Journal: J Craniofac Surg; 2011 Mar; 22(2):641-7. PubMed ID: 21403547.
    Abstract:
    BACKGROUND: There is a multitude of reported surgical approaches and technical variants with some unresolved technical problems to gain direct access to mandibular condylar head fractures; they can be divided into 2 groups: intraoral and extraoral. In 2005, Neff et al (Mund Kiefer Gesichtschir 2005;9:80), supported by a previous experimental work, reported a successful clinical study of condylar head fractures treated by a retroauricular approach; this article is in German, and the later English-language literature does not mention about this approach to open reduction and internal fixation of mandibular condylar fractures. The retroauricular transmeatal access, selected and performed by the senior author to treat 14 patients affected by highly located condylar head fracture, is illustrated in details. METHODS: We collected data of 14 consecutive adult patients who, after the discussion about all options, had consented to have 16 mandibular condylar head fractures treated with open reduction and internal fixation by miniplates and screws via a retroauricular transmeatal approach. We exposed the temporomandibular joint area easily and better by dissecting via a retroauricular route with identification, ligation, and transection of the retromandibular vein; because of the posterior access, the frontal branch of the facial nerve and the auriculotemporal nerve are located and protected within the substance of the anteriorly retracted flap, superficial to the retromandibular vein. The follow-up clinical examination showed temporary weakness of the frontal branch of the facial nerve in 1 case with a recovery to normal function of 1.6 months; no patients had permanent weakness of the facial nerve or injury of the auriculotemporal nerve. There was absence of any salivary fistula, sialocele, and Frey syndrome; hearing was preserved in all cases, without any auditory stenosis or aesthetic deformity, and there was absence of any infections, hematoma, or scarring. CONCLUSIONS: Retroauricular approach provides good exposure of the temporomandibular joint and satisfactory protection from nerve injuries and vascular lesions, allowing an adequate osteosynthesis. The scar is hidden behind the ear, and the morbidity is low in terms of auditory stenosis, aesthetic deformity, and salivary fistulas.
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