کریز میاستنی گراویس به دنبال تزریق بوتاکس و درمان آن با پلاسما فرزیس

Abstractbackground and objectivesbotox decreases wrinkles in face and chin. this drug minimizes muscle activity with its side effects being rare. this article presents one of this rare cases.casea 30-year-old woman with petosis, diplopia, dysartheria, dysphagia and muscle weakness was admitted to the hospital. she had no history of disease. she had three botox injections during the preceding month. in the examination, muscle weakness 4/5 (cervical extensor, ocular and pharynx) was detected. her diagnosis was myasthenia gravis. with tpe, force enhancement after muscle stretch was seen and she was separated from artificial ventilation.conclusions myasthenia gravis is caused by antibody-acetylcholine receptor at the neuromuscular junction or motor end plate. therapeutic plasmapheresis decreases the level of antibody-acetylcholine receptor.