An effective approach for botulinum toxin injection in patients with stroke for focal spasticity: dual guidance

Abstract

Objective: This study has aimed to compare the efficacy of botulinum toxin (BTX) injections, applied to the upper limb muscles of the stroke patients in our clinic who have being diagnosed with focal spasticity, that are performed via ultrasonography and ultrasonography + electrical muscle (EM) stimulator guidance. Literature didn’t include detailed crosscheck of ultrasound guided BTX and EM treatment applications for upper limb focal spasticity patients Materials and Methods: Electronic data on 62 hemiplegic stroke patients with grade 2 and 3 focal spasticity who had received botulinum toxin injections into their upper limb muscles by the same physician, who used similar protocol and recorded the results, were scanned retrospectively. The spasticity of the patients in both groups was assessed with the Modified Ashworth Scale at the end of two weeks and three months. Results: A statistically significant difference was found between the Modified Ashworth Scale values of both groups in terms of all muscles, compared to the values seen in the pre-treatment period (p<0.05). The Modified Ashworth Scale values at 3 months posttreatment in ultrasonography + electrical muscle stimulator group were not statistically different from those at 2 weeks posttreatment, with respect to wrist flexion and finger flexion. In intergroup comparison, there was no statistically significant difference between the Modified Ashworth Scale values of at pretreatment and 2 weeks posttreatment. However, statistically significant difference in all muscle groups was found in favor of the ultrasonography + electrical muscle stimulator group at 3 months posttreatment controls (p<0.05). Conclusion: Upper limb spasticity due to stroke can be substantially recovered with botulinum toxin injections that are applied via only ultrasonography guidance or via ultrasonography + electrical muscle stimulator guidance.. According to data from the assessment at 3 months posttreatment, the botulinum toxin injection performed via ultrasonography + electrical muscle stimulator guidance had more positive effects .