Long-term curative effect of botulinum toxin A(BTXA) on treating spam of eyelid and facial muscle / 眼科新进展

ABSTRACT

Objective　To discuss the long-term curative effect of botulinum toxin A(BTXA) for treating spasm of eyelid and facial muscle.Methods　Ninty-two patients with spasm of eyelid and facial muscle were treated with BTXA and observed for a long term.Results　After being injected with BTXA for 1～4 days, the spasm relieved gradually. Sixteen weeks later, the spasm symptoms relapsed. The relapse began mostly from eyelid spasm. The facial spasm's relief time was longer. lt might be up to 24 weeks. After injection, the patients had some slight complications of facial expression numb, ptosis and fissura palpebrae. The above complication symptoms recovered by themselves after two weeks. Conclusion　The curative effect of BTXA on treating spasm of eyelid and facial muscle is reliable.