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Surgical management of essential blepharospasm
A K Bates1, B L Halliday, C S Bailey
1Moorfields Eye Hospital, London.
The British Journal of Ophthalmology
|August 1, 1991
Summary
Orbicularis oculi myectomy offers longer relief for essential blepharospasm than facial nerve avulsion, with fewer complications. Surgery is a viable option when botulinum toxin is ineffective.
Area of Science:
- Ophthalmology
- Neurosurgery
Background:
- Essential blepharospasm is a debilitating neurological movement disorder.
- Surgical interventions are considered when conservative treatments fail.
Purpose of the Study:
- To compare the long-term efficacy and safety of facial nerve avulsion versus orbicularis oculi myectomy for essential blepharospasm.
- To evaluate secondary effects and patient outcomes for surgical management.
Main Methods:
- Retrospective review of surgical management of essential blepharospasm over 15 years.
- Comparison of outcomes between facial nerve avulsion and orbicularis oculi myectomy.
Main Results:
- Orbicularis oculi myectomy provided longer spasm relief (55% >2 years) compared to facial nerve avulsion (25% >2 years).
- Orbicularis myectomy had fewer secondary effects than facial nerve avulsion.
- Both procedures had no major complications, but orbicularis myectomy had greater peroperative morbidity.
Conclusions:
- Orbicularis oculi myectomy offers superior long-term relief for essential blepharospasm with fewer complications.
- Facial nerve avulsion may still be suitable for selected patients.
- Surgical treatment for essential blepharospasm is warranted if botulinum toxin is ineffective or inconvenient.