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[Rupture of the round window membrane (author's transl)]
Abstract:
Five cases of round window membrane rupture were described and under went surgery with gelfoam and/or adipose tissue repair. Short term post-operative follow-ups for a period of three to five months showed complete recovery of vestibular function yet only slight to moderate recovery of the cochlear. The clinical complex of sudden S.N. hearing loss, tinnitus with or without vertigo and ataxia is not uncommon and often presents a diagnostic problem. The patient is anxious to prevent further attacks and yearning for a cure from this relatively disabling condition. Among other causes, viral labyrinthitis and labyrinthine vascular occlusion have been blamed. R.W. membrane rupture, whatever is its underylying factor, as a cause of this clinical complex is well established. A well-planned management i.e. bed rest and/or properly timed exploratory tympanotomy with round window membrane tissue grafting may lead to a partial or total cure.
Insights
Round window membrane rupture can cause sudden hearing loss and vertigo. Surgical repair offers vestibular recovery but limited cochlear recovery.
Area of Science:
- Otolaryngology
- Neurosurgery
- Audiology
Background:
- Sudden sensorineural hearing loss, tinnitus, vertigo, and ataxia present a diagnostic challenge.
- Round window membrane (RW) rupture is an established cause of these symptoms.
- Potential underlying factors include viral labyrinthitis and vascular occlusion.
Observation:
- Five cases of RW membrane rupture underwent surgical repair using gelfoam and/or adipose tissue.
- Post-operative follow-up ranged from three to five months.
- Surgical intervention involved exploratory tympanotomy with RW membrane tissue grafting.
Findings:
- Complete recovery of vestibular function was observed in all patients.
- Cochlear function showed only slight to moderate recovery.
- Surgical management can lead to partial or total symptom resolution.
Implications:
- RW membrane rupture requires prompt and well-planned management.
- Surgical repair is a viable option for addressing RW membrane rupture.
- Further research is needed to improve cochlear function recovery outcomes.