Objective: To evaluate the fraction of patients recovering to normal function after complete facial nerve paralysis secondary to acoustic neuroma surgery, and also to address the ophthalmologic complications associated with it and the therapeutic options.
Material And Method: We performed a retrospective review of 30 cases operated on in our department for acoustic neuroma and who, despite anatomical preservation of the facial nerve, developed a complete post-operative facial nerve paralysis (grade VI of House-Brackmann [HB]). We analyzed the evolution of the facial paralysis in relation to the tumour size, patient age, surgical approach and localization of the tumour. In addition, we studied the ophthalmologic complications and their treatment.
Results: Only 5 of the 30 cases studied (16.6 %) recovered to normal facial nerve function (HB grade I). We observed a tendency for a poor recovery of the cases with tumour size bigger than 2 cm, males, those older than 65 years and lesions resected by the translabyrinthine approach. Only 1 patient presented serious ophthalmologic complications.
Conclusions: Our study reveals that only a small percentage of patients achieve total recovery of facial function. We have to be on the alert to ocular complications in this kind of patient.
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