Upper-limb Active Function and Botulinum Toxin a
This study in an observational, prospective and longitudinal study. The aim of the study is to evaluate the effect of botulinum toxin type A (BTX) injections into the elbow flexors on the reduction of spastic co-contractions (spastic co-contraction index, SCCI) during an active elbow extension in chronic post-stroke patients.TBA injections are performed as part of routine care
• Cortical and/or subcortical ischemic or haemorrhagic stroke for at least 6 months;
• Indication to an injection of BTA in the elbow flexor muscles according to the usual clinical criteria: request of elbow extension improvement with a functional or aesthetic objective;
• Being under prescription of abobotulinum toxin A (DYSPORT®, Ipsen-Pharma);
• Ability of active elbow extension\> 20 degrees;
• Limitation of active movement of elbow extension \> 15 degrees or decreased or 50% decrease in the active elbow extension rate;
• Patients who have never been treated with BTX or only a first injection that having targeted the elbow flexors more than 4 months ago;
• Age\> 18 years;
• Signature of informed consent;
• Subject affiliated to the social security coverture.