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Year : 2009  |  Volume : 11  |  Issue : 2  |  Page : 78-81

Delayed facial palsy after mastoid and middle ear surgery

KSU Fellowship, Jordanian Board Assistant Professor/Consultant, ORL Department King Abdulaziz University Hospital, Riyadh, Saudi Arabia

Correspondence Address:
M.D Abdulrahman Al-Essa
P.O. Box 245, Riyadh 11411
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1319-8491.275334

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Objectives: The purpose of this report is to provide data on delayed facial palsy (DFP) after mastoid and middle ear surgery, and to discuss the possible etiology. Study Design and Setting: This is a retrospective report carried out at a university-based hospital Patients: The records of 1980 patients with normal facial function before mastoid and middle ear surgery were reviewed. Measures: Delayed facial palsy was defined as facial palsy occurring after the initial postoperative evaluation. Results: During the 6-year period from 1998 to 2003 consecutive mastoid and middle ear operations were reviewed. A total of 7 delayed facial palsies (DFP) were identified. All were incomplete and recovered completely following conservative treatment. The mechanism of DFP was not known in two cases , chorda tympani stretching in one case , iatrogenic facial exposure in two patients and herpes viral reactivation in two patients. Conclusion: DFP occurred in 0.35% after middle ear and mastoid operations. Several factors may contribute to DFP including chorda tympani injury,iatrogenic, infection, facial canal edema ,immune response and recently several reports suggesting strongly viral reactivation as one of the main causes of DFP.

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