[Efficacy and side-effects of the botulinum toxin A treatment in patients with focal dystonia].

An aim of the study was to determine side-effects of disport, the botulinum toxin A (BTA), in the treatment of patients with spasmodic torticollis (ST) and blepharospasm (BS). More than 800 injections of BTA to patients with ST and 110 - to patients with BS have been performed for 6-years period. Side-effects are specified as follows: 1) autonomic reactions observed in women with increased anxiety and signs of autonomic dysfunction (47,5%) patients with ST), with most marked symptoms in the first injection and their further decreasing; 2) local side-effects related with errors in dose adjustment, injection technique (37,3% patients with ST and 59,5% patients with BS); 3) the smallest group of side-effects not related to the doctor's experience and adequate psychological preparation of the patient for manipulation (myasthenia-myopathia syndrome after the BTA therapy).