Goal attainment following upper-limb botulinum toxin-A injections: are we facilitating achievement of client-centred goals?

Abstract

Evaluate upper-limb goal attainment following botulinum toxin-A, map goals to the International Classification of Functioning, Disability and Health (ICF) and explore associations between client goals, clinical indicators of spasticity and the Botulinum Toxin-A injection strategy adopted by the treating physician. Pre-test/post-test. Twenty-eight community-dwelling adults with acquired brain injury. Goal attainment was measured using the Goal Attainment Scale (GAS) 4 weeks post-injection. Goals were linked to the ICF. Clinical measures including the Modified Ashworth Scale (MAS), Tardieu Spasticity Angle (TSA) and Action Research Arm Test (ARAT) were collected pre-injection for determining association with injection strategy. Goals represented the ICF domains of Body Structure/Function and Activity/Participation. Approximately half the goals were achieved 4 weeks post-injection and GAS T-scores improved significantly. Activity/Participation goals were equally likely to be achieved as Body Structure/Function goals. Pre-injection ARAT scores were correlated with GAS change, whereas MAS and TSA scores were not. TSA was a stronger indicator of muscle selection for botulinum toxin-A injections than MAS. Goals were directly associated with botulinum toxin-A injections for distal hand function, but not for proximal upper-limb function. Goal setting and review provides a clinically useful process for measuring upper-limb botulinum toxin-A outcomes.