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[Delayed facial nerve palsy after otologic surgery].
Tadashi Kitahara1, Takeshi Kubo, Katsumi Doi
1Department of Otolaryngology, Osaka University, Osaka.
Nihon Jibiinkoka Gakkai Kaiho
|August 17, 2006
Summary
Delayed facial nerve palsy (DFP) can occur after otologic surgery, even when nerves aren't directly touched. This study suggests a strong link between specific surgical procedures and the occurrence of DFP.
Area of Science:
- Otolaryngology
- Neurosurgery
- Medical Science
Context:
- Delayed facial nerve palsy (DFP) is an uncommon but troublesome complication following otologic surgery.
- It can occur even in procedures not directly involving the facial nerve, such as tympano-mastoidectomy, cochlear implants, and stapes surgery.
Purpose:
- To investigate the occurrence and potential relationship between specific otologic surgical procedures and the development of delayed facial nerve palsy.
Summary:
- This report details 7 cases of DFP following otologic surgeries, with incidence rates varying by procedure: tympano-mastoidectomy (0.7%), cochlear implant (0.8%), stapes surgery (0.4%), and endolymphatic sac surgery (1.0%).
- DFP occurred ipsilaterally to the operated ear and was not observed after non-otologic surgeries like benign parotid tumor removal or total laryngectomy.
- Procedures involving chorda tympani exposure or mastoidectomy drilling appear to be associated with DFP.
Impact:
- Findings suggest a potential correlation between specific otologic surgical techniques and the risk of DFP.
- This information may aid surgeons in patient counseling and surgical planning to mitigate DFP risk.
- Further research is warranted to elucidate the exact mechanisms linking these procedures to DFP.