Αρχειοθήκη ιστολογίου

Αλέξανδρος Γ. Σφακιανάκης
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5
Άγιος Νικόλαος Κρήτη 72100
2841026182
6032607174

Σάββατο 26 Αυγούστου 2017

Temporal Bone Fracture Requiring Facial Nerve Decompression or Repair

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Publication date: Available online 25 August 2017
Source:Operative Techniques in Otolaryngology-Head and Neck Surgery
Author(s): Keonho Kong, Alexander Sevy
Facial nerve paralysis is one of the complications with temporal bone fractures. While the majority of these are treated medically with observation and steroids, we review the indications and surgical approaches to the facial nerve along its course within the temporal bone. It is important to get an exam as early as possible to determine immediate vs delayed, and complete vs incomplete paralysis. Patients with immediate onset, complete facial nerve paralysis should receive electrodiagnostic testing 3–7 days after onset, to allow for Wallerian degeneration. If there is >90% ENoG degeneration within 6 days or >95% degeneration within 14 days, surgical exploration is recommended. Exact surgical timing for decompression is controversial and definitive data is lacking but some authors have had success even beyond two months post-injury and the risks and benefits should always be discussed with each patient. The approach for surgical decompression of the facial nerve should be based on the site of injury, if discernible, but most commonly involves transmastoid, middle fossa craniotomy or a combination of these approaches. The perigeniculate region is the most commonly injured portion of the facial nerve with temporal bone fractures. If a transection is encountered, the nerve should be repaired by either primary nerve repair if tension free, otherwise a secondary repair with a cable graft should be performed.



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