Aim: To analyze the efficacy and safety of dose ranges of abobotulinum toxin A (BTA) for multilevel injections into upper and lower extremity muscles in children with spastic forms of cerebral palsy (CP).
Material And Methods: We analyzed retrospectively multilevel BTA injections for 216 patients, aged from 2 to 17 years. Children received 1-6 repeated injections and complex physiotherapy. Patients were classified according to the GMFCS. Treatment results were evaluated with the modified Ashworth and Tardieu scales.
Results: Multilevel BTA injections were indicated for the most (89/8%) of the patients with spastic forms of CP, and in most of them the total dosage exceeded 30 U/kg. In the bilateral forms of CP, the total dosage (U and U/kg) was higher compared to the unilateral forms. Doses for each muscle in U/kg were similar in all CP forms. The total doses of BTA and the intervals between the repeated injections were stable for each patient.
Conclusion: The dose ranges suggested for CP are effective and safe for the reduction of spasticity in several functional segments of upper and lower extremities in one treatment session.
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