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  • Title: Botulinum toxin treatment in upper limb spasticity: treatment consistency.
    Author: Papavasiliou AS, Nikaina I, Bouros P, Rizou I, Filiopoulos C.
    Journal: Eur J Paediatr Neurol; 2012 May; 16(3):237-42. PubMed ID: 21862370.
    Abstract:
    This study assessed treatment consistency of botulinum toxin administration in spastic upper limbs under pragmatic conditions, as derived through stability of dosages and between injections intervals. Over a period of 8 years, 153 children (81 with bilateral spastic cerebral palsy, 72 with unilateral) were treated according to accepted, experience-based guidelines with Botox and Dysport. Treatment response was based on assessment of spasticity and attainment of pre-determined goals at 3, 6 and 12 months post each treatment. Mean age at treatment onset was 6y 4mo (SD: 4y 10mo), median F/U, 2.5 years (4 months-6 8/12 years). Number of injection sessions was 1-10; few had more than 6 sessions. In 106 (69.28%) children, more than one anatomic regions of the limb were injected. Most (56.2%), had at least two injection sessions; median time interval between the sessions was 9 months (IQR: 4-35 months, similar for unilateral and bilateral cerebral palsy, p = 0.874). Children >4 years old at the first treatment had longer intervals between sessions (25.8%) compared to younger ones (p = 0.010). The mixed effects models demonstrated that botulinum toxin dosage was stable over subsequent visits (p = 0.144) and that intermediate intervals for subsequent visits were similar to the first one (p = 0.279).
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