Dr.Rwituja Thomas

Dr. GUPTA ROSHMI, Dr. SUSHMA A.

Abstract

PURPOSE: To describe outcomes of orbicularis oculi myectomy for refractory blepharospasm. This technique includes graded removal of orbicularis muscle, reattachment of levator,myotomy of procerus and corrugator.

METHODS:Retrospective chart review of 12 consecutive patients who underwent bilateral orbicularis oculi myectomy by a single surgeon. Outcome measures were change in botulinum toxin dose, frequency, and functional outcome.

RESULTS:

All (100%) who underwent orbicularis myectomy had significantly decreased botulinum toxin use with relief of symptoms postoperatively. 4/12 (33%) discontinued botulinum toxin. Interval between doses increased from 3 weeks to 14 weeks. Dose decreased from >100 units to 43units avg. 92% patients resumed activities of daily living. One developed hematoma and needed drainage. No patient had persistent lagophthalmos

CONCLUSIONS: Therapeutic myectomy technique provides effective treatment for refractory blepharospasm with good functional outcome

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